Ανακοινώσεις εις την Ξένην 12th European Histocompatibility Conference Strasbourg, 25-27 March 1998, με την ανακοίνωση: 1 HLA associations in childhood acute lymphoblastic leukemia. N.Constantinidou, Sophia Polychronopoulou, P.Georgi, J.P. Panagiotou, O.Moraloglou, M.Kanariou, S.Haidas. Dept. of Pediatric Hematology – Oncology and Lab. of Immunology and Histocompatibility, “Aghia Sophia” Children’s Hospital. Athens – HELLAS. Combined Haematology Congress ISH-EHA, Amsterdam 4-8 July 1998 με τις ανακοινώσεις: 2 Primary and secondary myelodysplastic syndromes in childhood. J.P.Panagiotou, Sophia Polychronopoulou, A.Parcharidou, V.Papadakis, D.Anagnostou, S.Haidas. Dept. of Pediatric Hematology – Oncology “Aghia Sophia” Children’s Hospital and Dept. of Hematopathology Evangelismos Hospital – Athens, HELLAS. 3 Aplastic anemia in childhood : Report of 28 cases. Sophia Polychronopoulou, J.P.Panagiotou, V.Mikraki, S.Kostaridou, M.Antoniadis, S.Haidas. Dept. of Pediatric Hematology – Oncology ,“Aghia Sophia” Children’s Hospital. Athens – HELLAS. 4 Mini and microsatelite instability in childhood acute lymphoblastic leukemia (ALL). Hatzaki, K. Stamatopoulos, Sophia Polychronopoulou, J..P. Panagiotou, S.Haidas, D. Loukopoulos. First Department of Medicine, University of Athens, “Laikon”General Hospital and Dept. of Pediatric Hematology – Oncology ,“Aghia Sophia” Children’s Hospital. Athens – HELLAS. 2nd International Symposium on Childhood MDS– Hindsgavl Castle, Funen, Denmark, May 11-14, 2000 με τις ανακοινώσεις: 5 Myelodysplastic syndromes (MDS) in childhood : Clinical a laboratory data of 23 patients. Sophia Polychronopoulou, J.P.Panagiotou, L.Kossiva, K.Sambani, K.Tsitsikas, D.Anagnostou, S.Haidas. Dept. of Pediatric Hematology – Oncology “Aghia Sophia” Children’s Hospital and Dept. of Hematopathology Evangelismos Hospital – Athens, HELLAS. 6 Treatment and outcome of 23 paediatric patients with myelodysplastic syndromes (MDS). Sophia Polychronopoulou, J.P.Panagiotou, V.Papadakis, A.Parcharidou, H.Psiachou, A.Mavrou, S.Haidas. Dept. of Pediatric Hematology – Oncology “Aghia Sophia” Children’s Hospital XXXII SIOP Meeting, Amsterdam, The Netherlands, 4-7 October 2000, με τις ανακοινώσεις: 7 Nasopharyngeal carcinoma of childhood and its association with Epstein-Barr virus (EBV). S.Kostaridou, Sophia Polychronopoulou, K.Stefanaki, L.Florentin, J.P.Panagiotou, C.Constantinidou, G.Christopoulos, S.Haidas. Dept. of Pediatric Hematology – Oncology “Aghia Sophia” Children’s Hospital 8 Myelodysplastic syndromes (MDS) in childhood: Report of 23 cases. Sophia Polychronopoulou, J.P.Panagiotou, L.Kossiva, K.Sambani, K.Tsitsikas, D.Anagnostou, S.Haidas. 9 Results of a modified BFM-ALL 90 protocoll in acute lymphoblastic leukaemia of childhood. J.P.Panagiotou, Sophia Polychronopoulou, E.Vrachnou, S.Kostaridou, V.Mikraki, M.Kanariou, S.Haidas. 10 Treatment of childhood ALL, with a ΒFM-based protocol in one institution. Toxicity, compliance, and early results. V.Mikraki, V.Papadakis, A.Parcharidou, J. P. Panagiotou, Sophia Polychronopoulou, E.Psiachou-Leonard, M.Antoniadis, M.Kanariou, S.Haidas. 42nd Annual Meeting of American Society of Hematology, December 1-5, 2000, με τις ανακοινώσεις : 11 Lymphocyte subpopulation disturbances during chemotherapy for pediatric acute lymphoblastic leukemia (ALL). S.Kostaridou, Sophia Polychronopoulou-Androulakaki, J.P.Panagiotou, K.Psarra, V.Kapsimali, K.Tsagraki, P.Katevas, C.Papasteriadis, S.Haidas. Dept of Pediatric Hematology / Oncology, “Aghia Sophia” Children’s Hospital, Dept of Immunology and Histocampatibility, “Evangelismos” Hospital, Athens-Greece. 12 Primary and secondary myelodysplastic syndromes (MDS) in childhood. Sophia Polychronopoulou-Androulakaki, J.P.Panagiotou, L.Kossiva, M.Fameli, A.Mavrou, A.Kolialexi, K.Tsitsikas, K.Sambani, A.Stefanidou, Y.Gyftodimou, D.Anagnostou, S.Haidas. Dept of Pediatric Hematology / Oncology, “Aghia Sophia” Children’s Hospital, Lab of Hematopathology, “Evangelismos” Hospital, Lab of Cytogenetics of the 1st Pediatric Clinic of Athens University, “Aghia Sophia” Children’s Hospital, Lab of Cytogenetics “Demokritos” Research Center, Dept of Genetics, Institute of Child Health, Athens-Greece. 12th Annual Meeting (BSHI) 26th-28th September 2001, Cambridge, με την ανακοίνωση: 13 HLA-DR, DQ polymorphism in childhood acute lymphoblastic leukemia. Sophia Polychronopoulou, K.Spanou, J.P.Panagiotou, A.Chaidaroglou, P.Markantonatos, S.Haidas, N.Constantinidou Dept. of Immunology-Histocompatibility, Dept. of Haematology / Oncology – “Aghia Sophia” Children’s Hospital, Immunology Laboratory, “Onassio” Cardiac Surgery Center, Athens, Greece . BEST OVERSEAS ABSTRACT. 6th International Symposium on Myelodysplastic Syndromes, Stockholm, Sweden 14-17 June, 2001, με την ανακοίνωση: 14 Problematic aspects in bone marrow biopsies of childhood MDS. D. Anagnostou, Sophia Poluchronopoulou, A. Tasidou, M. Fameli, J.P. Panagiotou, S.A. Haidas. Hematopathology Dept., Evangelismos General Hospital, Department of Pediatric Hematology / Oncology, «Aghia Sophia» Children’s Hospital, Athens, Greece. 15th European Histocompatibility Conference, Granada, Spain 27th30th March 2001, με την ανακοίνωση: 15 HLA-Class II alleles in childhood acute lymphoblastic leukemia. N.Costantinidou, Sophia Polychronopoulou, K.Spanou, J.P.Panagiotou, A.Chaidaroglou, P.Markantonatos, M.Kanariou, S.Haidas. Dept. of Immunology-Histocompatibility, Dept. of Haematology / Oncology – “Aghia Sophia” Children’s Hospital, Immunology Laboratory “Onassio” Cardiac Surgery Center, Athens, Greece. AMERICAN SOCIETY OF HAEMATOLOGY (ASH), 43rd ANNUAL MEETING DECEMBER 7-11, 2001, ORLANDO, FLORIDA, USA, με τις ανακοινώσεις: 16 Immunophenotypic Study of Normal Calla Positive B Lymphocytes (Hematogones) in Children’s Marrow Enables the Formulation of a Strategy for the Assessment of Minimal Residual Disease (MRD) in BCell Precursor Acute Lymphoblastic Leukemia (Bprec-ALL). G. Paterakis, S. Polychronopoulou, V. Rouli, J.P. Panagiotou, K.Kourendi, D. Skoumi, C.Stavropoulou-Gioka, S.A. Haidas. Laboratory of Immunology “G. Gennimatas” General Hospital, Department of Pediatric Hematology / Oncology, “Aghia Sophia” Children’s Hospital, Athens, Greece. Abst. #1333, Blood 98 (11), part 1, p.316a, 2001. 17 Disease Characteristics and Course of Myeloproliferative Disorders (MPDs) in Childhood. S. Polychronopoulou, S. Kostaridou, J. P. Panagiotou, V. Rouli, A.Parcharicou, C. Sambani, A. Tassidou, D. Anagnostou, S.A. Haidas. Department of Pediatric Hematology / Oncology, “Aghia Sophia” Children’s Hospital, N.C.S.R. “Democritos”, Department of Haematopathology, “Evangelismos” Hospital, Athens, Greece. Abst. #4858, Blood 98 (11), part 2, p.280b, 2001. 18 Trisomy 8 in Hematologic Malignancies: Recognition of the Common Clinico-Hematologic Features from 76 patients. A Study of the Hellenic MDS Study Group. Symeonidis, K. Sabanis, T. Galanopoulos, N. Viniou, A. Parcharidou, E. Terpos, A. Kouralis, T. Marinakis, N. Giannakoulas, E. Thanopoulou, P. Roussou, K. Tsatalas, N. Laoutaris, A. Lazaridou, S. Polychronopoulou, M. Protopappa, N. Zoumbos. Hematology Division, Dept. of Internal Medicine, University of Patras Medical School, Patras, Laboratory of Cytogenetics, “Demokritos” National Research Institute, Athens, Hematology, “G. Gennimatas” General Hospital, Athens, 1st Dept. of Internal Medicine, “Laikon” General Hospital, Athens, Pediatrics, “St. Sofia” Pediatric Hospital, Athens, Hematology 251 Military Airforce Hospital, Athens, Greece, 3rd Dept. of Internal Medicine “Sotiria” General Hospital, Athens, Dept. of Hematology, Demokritos University of Thrace, Alexandroupolis, Dept. of Hematology, St. Panteleimon General Hospital, Athens, Dept. of Internal Medicine, Theagenion General Hospital, Thessaloniki, Dept. of Internal Medicine, General Hospital of Serres, Serres, GREECE Abst. #4294, Blood 98 (11), part 2, p.155b, 2001. 19 Acute Megakaryocytic Leukemia in Children Associated with the Presence of Hematogones. Parcharidou, S. Labropoulos, G. Paterakis, S. Polychronopoulou, J.P. Panagiotou, V. Papadakis, E. Psiachou-Leonard, H. Kosmidis, S. Haidas. Hematology-Oncology, A.G. Sofia Children’s Hospital, Athens, HematologyOncology, Medical College of Virginia, Richmond, VA, USA, Immunology, G. Gennimatas General Hospital, Athens, Hematology - Oncology, AG. Kuriakou Children’s Hospital, Athens, Greece. Abst. #4529, Blood 98 (11), part 2, p.205b, 2001. American Society of Hematology (ASH), 44th Annual Meeting, December 6-10, 2002, Philadelphia, Pensylvania, με την ανακοίνωση: 20 Interphase Fluorescence In-Situ Hybridization (FISH) Study of Childhood B-cell Precurson Accute lymphoblastic Leukemia (B-ALL) with normal karyotype. S.I. Papadimitriou, Sophia Polychronopoulou, G.S. Paterakis, A.A. Tsakiridou, I. Gligori, J.P. Panagiotou, A. Parcharidou, V. Papadakis, S.A. Haidas, A. Tassiopoulou. Hematology Laboratory «G. Gennimatas», Athens Regional General Hospital, Department of Pediatric Hematology / Oncology, «Aghia Sophia» Children’s Hospital, Immunology Laboratory, «G. Gennimatas» Athens Regional General Hospital, Athens, Greece. Blood, vol.100(11), Nov;16, p:189b, 2002 (Abst. No 4255). 7th International Symposium on Myelodysplastic Syndromes, MDS 2003, 15-18 May 2003, Paris, France, με την ανακοίνωση: 21 Reduced risk of leukemic transformation and prolonged survival for patients with hypoplastic myelodysplastic syndromes (MDS) Symeonidis, , A. Kouraklis-Symeonidis, Sophia Polychronopoulou, V. Pappa, T. Galanopoulos, A. Parharidou, M. Karakantza, P. Matsouka, N. Zoumbos. University of Patras Medical School, Athens, Greece. Η ανωτέρω ανακοίνωση περιελήφθη στο Τόμο Πρακτικών του Συνεδρίου. 15th European Immunology Congress (EFIS 2003), 8-12 June 2003, Rhodes island, Greece, με την ανακοίνωση: 22 Are CALLA (CD10+) B lymphocytes in cord and peripheral blood derived from bone marrow normal B cell precursors (hematogones). G. Paterakis, K. Kourendi, K. Papasaradi, D. Skoumi, Sophia Polychronopoulou, I.P. Panagiotou, S. Haidas, A. Stavropoulos-Giokas. Immunology Department “G. Gennimatas” General Hospital, Section of Pediatric Hematology-Oncology “Agia Sophia” Hospital for Children, Athens, Greece. Η ανωτέρω ανακοίνωση περιελήφθη στο Τόμο Πρακτικών του Συνεδρίου. The 8th Annual Congress of the European Hematology Association, 1215 June 2003, Lyon, France, με την ανακοίνωση: 23 Molecular cytogenetic screening in childhood B-lineage acute lymphoblastic leukemia (B-ALL) with normal karyotype. S.I. Papadhimitriou, Sophia Polychronopoulou, A.A. Tsakiridou, I. Gligori, G.S. Paterakis, J.P. Panagiotou, A. Davea, A. Parcharidou, V. Papadakis, C. Politis, M. Georgiakaki. G. Gennimatas”, Athens Regional General Hospital, “Aghia Sophia” Children’s Hospital, Athens, Greece. Η ανωτέρω ανακοίνωση περιελήφθη στο Τόμο Πρακτικών του Συνεδρίου. European Society of Clinical Microbiology and Infectious Diseases (ESCMID), 10-13 May, 2003, Glascow, με την ανακοίνωση: 24 Etiology of septic episodes in children with haematologic malignancies and solid tumors. Charisiadou, J. Panagiotou, A. Doudoulakakis, A. Stamatiadou, Sophia Polychronopoulou, A. Pangalis. Departments of Clinical Microbiology and Paediatric Haematology Oncology, “Aghia Sophia” Chlidren’s Hospital, Athens, Greece. SIOP 2003, 8-11 October 2003, Cairo, Egypt, έχουν γίνει αποδεκτές προς δημοσίευση oι ανακοινώσεις: 25 Frequency and type of positive blood cultures in pediatric patients undergoing intensive ALL treatment in the presence of HICKMANBROVIAC catheter. V. Papadakis, K. Katsimbardi, A. Parcharidou , J.P. Panagiotou, E. Papandreou,Charisiadou, A. Pangalis, Sophia Polychronopoulou, S.Haidas. Departments of Paediatric Haematology Oncology, and Microbiology, “Aghia Sophia” Chlidren’s Hospital, Athens, Greece. 26 Frequency and type of infections during maintenance treatment in pediatric patients with ALL. K. Katsimbardi, V. Papadakis, J.P. Panagiotou, A.Parcharidou, M.Soutis, Pangalis, Sophia Polychronopoulou, S.Haidas Departments of Paediatric Haematology Oncology, and Microbiology, “Aghia Sophia” Chlidren’s Hospital, Athens, Greece. 25th International Congress of Pediatrics, PP0369 2007 27 TESTICULAR MICROLITHIASIS IN TWO BROTHERS A DISTURBING CLINICAL ISSUE Dimitrios Thomas, Elpis Vlachopapadopoulou, Vassilios Papadakis, Regina Sklavou, Michael Soutis, Sophia Polychronopoulou, Stefanos Michalacos 25th International Congress of Pediatrics, PP0446 28 2007 EPIDEMIOLOGICAL DATA OF NEW PATIENTS WITH MALIGNANT HEMATOLOGY-ONCOLOGY DIAGNOSES DURING THE YEAR 2005. A HOLISTIC APPROACH OF ENSUING SOCIO-ECONOMIC ISSUES Anna Paisiou, Vassilios Papadakis, Natalia Tourkantoni, Ioanna Panaretaki, Sofia Delicou, Sofia Papargyri, AgapI Parcharidou, Sophia Polychronopoulou 25th International Congress of Pediatrics, OP163a 2007 29 TEL/AML1+ ACUTE LYMPHOBLASTIC LEUKEMIA IN THE GREEK PEDIATRIC POPULATION Stefanos Papadhimitriou, Georgios S Paterakis, Agapi Parcharidou, Anastasia Tsakiridou, Vassilios Papadakis, Sofia Papargyri, Anna Paissiou, Natalia Tourkantoni, Konstantinos Tsitsikas, Dimitris Pavlidis, Maria Georgiakaki, Sophia Polychronopoulou 25th International Congress of Pediatrics, 2007 30 EPIDEMIOLOGICAL DATA OF NEW PATIENTS WITH MALIGNANT HEMATOLOGY-ONCOLOGY DIAGNOSES DURING THE YEAR 2005. A HOLISTIC APPROACH OF ENSUING SOCIO-ECONOMIC ISSUES Anna Paisiou, Vassilios Papadakis, Natalia Tourkantoni, Ioanna Panaretaki, Sofia Delicou, Sofia Papargyri, Agap Parcharidoui, Sophia Polychronopoulou 25th International Congress of Pediatrics, OP163b 2007 31 CLONAL HETEROGENEITY IN TEL/AML1+ ACUTE LYMPHOBLASTIC LEUKEMIA (ALL): A CLINICAL APPRAISAL Stefanos Papadhimitriou, Vassilios Papadakis, Anna Paissiou, Georgios S Paterakis, Agapi Parcharidou, Anastasia A Tsakiridou, Konstantinos Tsitsikas, Dimitris Pavlidis, Maria Georgiakaki, Sophia Polychronopoulou 25th International Congress of Pediatrics, PP0448 2007 32 OUTCOME OF HODGKIN'S LYMPHOMA IN CHILDREN DIAGNOSED DURING 1997-2006 Sophia Parcharidou, Anna Paisiou, Vassilios Papadakis, Antonia Vlachou, Sophia Papargyri, Calliopi Stefanaki, Sophia Delicou, Sophia Polychronopoulou 25th International Congress of Pediatrics, PP0462 2007 33 CLINICAL AND LABORATORY INVESTIGATION OF CYTOPENIAS IN CHILDREN : THE ROLE OF VIRAL INFECTIONS Antonia Vlachou, Agapi Parcharidou, Rigina Sklavou, Vassilios Papadakis, Sofia Papargyri, Nikolaos Spanakis, Nikolaos Legakis, Sophia Polychronopoulou 25th International Congress of Pediatrics, PP0449 2007 34 CHARACTERISTICS, TREATMENT AND OUTCOME FOR NEUROBLASTOMA PATIENTS Vassilios Papadakis, Anna Paisiou, Michail Soutis, Spyridon Antypas, Konstantinos Nikas, Demetrios Dimitriadis, Evaggelos Papandreou, Agapi Parcharidou, Natalia Tourkantoni, Kalliopi Stefanaki, Sophia Polychronopoulou 25th International Congress of Pediatrics, PP0450 2007 35 DEVELOPMENT OF SECONDARY OSTEOSARCOMA AFTER THE TREATMENT OF CHRONIC MYELOGENOUS LEUKEMIA Antonia Vlachou, Agapi Parcharidou, Rigina Sklavou, Vassilios Papadakis, Elias Karanikas, Sophia Polychronopoulou 25th International Congress of Pediatrics, PP0451 36 2007 THERAPEUTIC RESULTS FOR NEPHROBLASTOMAS FOLLOWING THE SIOP PROTOCOLS Vassilios Papadakis, Antonia Vlachou, Rigina Sklavou, Anna Paissiou, Natalia Tourkantoni, Kalliopi Stefanaki, Sophia Polychronopoulou: 25th International Congress of Pediatrics, OP133 2007 37 ONE CENTER EXPERIENCE ON MULTIPARAMETRIC MOLECULAR DIAGNOSTIC APPROACH OF PEDIATRIC ACUTE LYMPHOBLASTIC LEUKEMIA (ALL) Agapi Parcharidou,Kostantinos Tsitsikas,Constantina Sambani,Stefanos Papadhimitriou,George Paterakis,Chrisoula Belesi, Vassilios Papadakis, Christiana Stavropoulou, Vasilios Georgakakos, Sophia Polychronopoulou 25th International Congress of Pediatrics, PP0453 2007 38 EXTENSIVE ARTERIOVENOUS DYSPLASIA OF THE INTESTINE , AS A CAUSE OF SEVERE INFANTILE ANEMIA DUE TO RECURRENT GASTROINTESTINAL BLEEDING Natalia Tourkantoni , Vassilios Papadakis, Ioanna Panagiotou, Agapi Parcharidou, Anna Paissiou, Rigina Sklavou, Antonia Vlachou, Eleftheria Roma, Georgios Christopoulos-Geroulanos, Andreas Tzakis, Sofia Polychronopoulou 25th International Congress of Pediatrics, PP0454 2007 39 CO-EXISTENCE OF MULTIPLE SUBCLONES TOGETHER WITH THE TRANSLOCATION 12;21 (TEL/AML1) AT DIAGNOSIS IN CHILDHOOD ACUTE LYMPHOBLASTIC LEUKEMIA Agapi Parcharidou,Vassilios Papadakis, Vasilios Georgakakos, Christiana Stavropoulou, Constantinos Tsitsikas, Constantina Sambani, Sophia Polychronopoulou 25th International Congress of Pediatrics, OP134 2007 40 TWO DECADE EXPERIENCE AND LONG TERM SURVIVAL IN PEDIATRIC NHL Vassilios Papadakis, Agapi Parcharidou, Anna Paisiou, Natalia Tourkantoni, Sofia Papargyri, Kalliopi Stefanaki, Sophia Polychronopoulou 25th International Congress of Pediatrics, PP0456 2007 41 EVALUATION OF YEAR 2005 POSITIVE BLOOD CULTURES AND SENSITIVITIES IN PEDIATRIC CANCER PATIENTS Vassilios Papadakis, Anna Paisiou, John Christodoulou, Athina Charisiadis, Sofia Papargyri, Constantinos Samantas, Natalia Tourkantoni, Agapi Parcharidou, Anastasia Pangali, Sophia Polychronopoulou 25th International Congress of Pediatrics, PP0457 2007 42 SARCOMA TUMOR FAMILY IN CHILDHOOD: A 6 YEAR EXPERIENCE IN SOFT TISSUE SARCOMA, EXTRA- AND INTRAOSSEUS OSTEOSARCOMA Natalia Tourkantoni, Anna Paissiou, Vassilios Papadakis, Antonia Vlachou, Regina Sklavou, Sophia Polychronopoulou 25th International Congress of Pediatrics, PP0458 2007 43 LATE-APPEARING BCR/ABL IN A CASE OF ADOLESCENCE T-ALL ASSOCIATED WITH HOMOZYGOUS INK4A DELETION Vassilios Papadakis, Stefanos Papadhimitriou, Anna Paisiou, Konstantinos Tsitsikas, Chrysoula Belesi, Agapi Parcharidou, Natalia Tourkanton, Constantina Sambani, George Paterakis, Sophia Polychronopoulou 25th International Congress of Pediatrics, PP0459 2007 44 AML1/ETO+ AML AFTER COMBINED TREATMENT FOR EPENDYMOMA AND LONG EXPOSURE TO ETOPOSIDE: AN ADOLESCENT CASE Vassilios Papadakis, Stefanos I Papadhimitriou, Anna Paisiou, Agapi Parcharidou, Natalia Tourkantoni, George Paterakis, Chrysoula Belesi, Constantina Sambani, Sophia Polychronopoulou 25th International Congress of Pediatrics, PP0464 2007 45 ATYPICAL PRESENTATION OF METASTATIC EWING-SARCOMA Vassilios Papadakis, Rigina Sklavou, Antonia Vlachou, Agapi Pacharidou, Antonios Kourtesis, Kalliopi Stefanaki, Vasiliki Kitra, Sophia Polychronopoulou 25th International Congress of Pediatrics, PP0465 2007 46 CORRELATION OF SERIALLY ESTIMATED CRP VALUES WITH THE UNDERLYING INFECTIVE AGENT, DURING FEBRILE EPISODES, IN PEDIATRIC ONCOLOGY PATIENTS Rigina Sklavou, Vassilios Papadakis, Agapi Pacharidou, Maria Giannaki, Antonia Vlachou, Sophia Delicou, Natalia Tourkantoni, Anna Paissiou, Sophia Papargyri, Sophia Vasila, Sophia Polychronopoulou 11th International Conference of Thalassaemia and Haemoglobinopathies, Singapore, Oct. 2008. 47 Study of Bone Density by pQCT Analysis in Healthy Adults and Patients with β-Thalassemia Major and Intermediate V. Ladis, P. Raptou, E. Rigatou et al 14th Congress of the EHA (European Hematology Association), June 4-7-06/09, Berlin, Germany. 48 Efficacy, efficiency and safety for treating transfusional iron overload in non actively transfused patients A.Kattamis, N.Lazopoulou, E.Rigatou et al. Excellence in Paediatrics” conference and the “Evidence Based Medicine and Child Nutrition” scientific meeting, 3-6 December 2009, Florence, Italy με τις ανακοινώσεις: 49 TREATMENT WITH RITUXIMAB OF CHILDREN AND ADOLESCENTS WITH AUTOIMMUNE HEMATOLOGIC DISORDERS. K. Roka, V. Papadakis, K. Tsitsikas, S. Papargyri, G. Paterakis, M.Ambatzidou, G. Avgerinou, E. Rigatou , S. Polychronopoulou 50 HAEMATOLOGICAL FEATURES OF CHILDHOOD NEUTROPENIA G Avgerinou, K Roka, V Papadakis, E Rigatou, M Ambatzidou, E Volonaki, K Tsitsikas, S Papargyri, Spolychronopoulou 15th Conference of the European Association of Haematology in 2010 με τις ανακοινώσεις: 51 Iron Distribution between Liver, Spleen, Pancreas, Bone marrow, and Myocardium in β -Thalassemia Major: An R2-MRI study. Ο.Papakonstantinou, N. Kelekis, Κ. Foufa, Α. Balanika. Ε Rigatou et al 52 Peripheral Quantitive Computed Tomography (PQCT) Study of the functional muscle-bone unit in female patients with β -Thalassemia Major Ο.Papakonstantinou, Α. Balanika, C. Baltas, E.Rigatou et al 53 Tissue iron overload in multiple transfused patients with rare anemias: An MR imaging study Ο. Papakonstantinou, N. Kelekis, E. Rigatou et al 37th annual meeting of the European Group for Blood and marrow transplantation Paris France 3-6 April 2011 με την ανακοίνωση: 54 Post transplant immune reconstitution after allogeneic stem cell transplantation in paediatric patients with high risk leukemia. E Rigatou, F. Gumy- Pause, V. Matiello, Y.Chalandon, M.Ansari, H.Ozsahin 11th International Symposium of MDS Syndromes, Edinburgh, Uk, May 18-21, 2011 με την ανακοίνωση: 55 Familial myelodysplastic Syndromes in children associated with non-bone marrow failure congenital syndromes. A.Makis, G. Avgerinou, S.I Papadimitriou K.Roka, E. Rigatou, S.Polychronopoulou MASCC/ISOO 2011 International Symposium, Athens, Greece 23-25 June, 2011 με την ανακοίνωση: 56 Fertility Issues Among Adolescents and Young Adult Cancer Survivors Sophia Polychronopoulou 7th European Course on Clinical Cytometry - 11th Euroconference on Clinical Cell Analysis ESCCAA-IcyS, 13-17/09/2011, Dublin, Ireland 57 TAGONES, MINOR MATURE NK AND T LYMPHOCYTE SUBPOPULATIONS INTERFERING WITH MRD T-ALL ANALYSIS - A NOVEL STRATEGY PROPOSED G.Paterakis, M.Ampatzidou, A.Taparkou, G.Avgerinou, Cl.Papassarandi, D.Koliouskas, P.Vasileiou, S.Polychronopoulou 38th annual meeting of the European Group for Blood and marrow transplantation Geneva Switzerland 1-4 April 2012 με τις ανακοινώσεις: 58 Update in Post transplant immune reconstitution after allogeneic stem cell transplantation in paediatric patients with high risk leukemia. E Rigatou, F. Gumy- Pause, V. Matiello, Y.Chalandon, M.Ansari, H.Ozsahin 59 Diamond Blackfan anaemia: when to transplant? E Rigatou, F. Gumy- Pause, V. Matiello, Y.Chalandon, M.Ansari, H.Ozsahin 22nd International Congress on thrombosis, Nice, France, 6-9 October 2012 με την ανακοίνωση: 60 Severe thrombocytopenia and dilated superficial veins and thrombosis: Infection, autoimmune disorder or LGL cytopenia? E. Rigatou, G. Paterakis, H. Platokouki, K.Roka, G. Avgerinou, V.Papadakis, S. Polychronopoulou VI International Symposium of Myelodysplastic syndromes and bone marrow failures in childhood Prague November 7-9 2012 με τις ανακοινώσεις: 61 CLINICAL COURSE, TREATMENT AND OUTCOME OF CHILDREN WITH MYELOPROLIFERATIVE NEOPLASMS (MPN): A RETROSPECTIVE SINGLE CENTER REPORT G.Avgerinou, S.Mouskou, M.Ampatzidou, A.Makis, V.Papadakis, K.Tsitsikas, S.I.Papadhimitriou, K.Stefanaki, S.Polychronopoulou 62 HAEMATOLOGICAL FEATURES OF CHILDHOOD NEUTROPENIA Georgia Avgerinou, Kleoniki Roka, Vassilios Papadakis, Efthymia Rigatou, Maria Ambatzidou, Eleni Volonaki, Konstantinos Tsitsikas, Sophia Papargyri and Sophia Polychronopoulou. Child: care health and development,36: Suppl 1 Jan2010,pg74. 63 FAMILIAL OCURRENCE OF MYELODYSPLASTIC SYNDROME: A REPORT OF 10 CASES Makis2, G. Avgerinou1, S.I. Papadhimitriou3, E. Rigatou1, K. Manola4, K. Stefanaki5 and S. Polychronopoulou1 64 Refractory cytopenia of Childhood: A retrospective study of 27 primary MDS cases from the Greek pediatric MDS registry S. Polychronopoulou1, A. Makis2, S.I. Papadhimitriou3, G. Avgerinou1, K.Tsitsikas, K. Stefanaki5 V. Papadakis,J.P.Panagiotou, K. Manola4, E.Goussetis, G,Paterakis and S.Haidas 65 Long erm follow-up of children with aplasic anemia : a single center experience S. Polychronopoulou1, A. Makis2, G. Avgerinou1, J.P.Panagiotou, A.Parcharidou, V. Papadakis, K.Tsitsikas, S.I. Papadhimitriou 3, K. Stefanaki5 K. Manola4, S.Grafakos and S.Haidas. “Excellence in Paediatrics” conference and the “Evidence Based Medicine and Child Nutrition” scientific meeting, Florence, Italy με την ανακοίνωση: 66 FAMILIAL MYELODYSPLASTIC SYNDROMES ( MDS ) IN CHILDREN ASSOCIATED WITH NON- BONE MARROW FAILURE CONGENITAL SYNDROMES A.Makis, G.Avgerinou, S.I.Papadimitriou,K. Roka, E. Rigatou, S.Polychronopoulou 44th Congress of the International Society of Pediatric Oncology (SIOP) 2012, London. 67 Clinical course, treatment and outcome of children with myeloproliferative neoplasms: a retrospective single center report G. Avgerinou1, S.Mouskou, M.Ampatzidou, A. Makis2, V. Papadakis, K.Tsitsikas, S.I. Papadhimitriou3, K. Stefanaki5 and S. Polychronopoulou1, Padiatric Blood and Cancer,vol 59, Issue 6, December 1, 2012 68 PROGNOSTIC SIGNIFICANCE OF FLOW-CYTOMETRY MINIMAL RESIDUAL DISEASE EVALUATION (FC-MRD) IN CHILDHOOD ACUTE LYMPHOBLASTIC LEUKEMIA (ALL) Maria Ampatzidou, George Paterakis, Vassilios Papadakis, Sophia Papargyri, Stefanos I Papadhimitriou, Georgia Avgerinou, Efthymia Rigatou, Stella Mouskou, Konstantinos Tsitsikas, Vassilios Vasdekis, Sophia Polychronopoulou 69 TAGONES, MINOR MATURE NK AND T LYMPHOCYTE SUBPOPULATIONS INTERFERING WITH MRD T-ALL ANALYSIS - A NOVEL STRATEGY PROPOSED G.Paterakis, M.Ampatzidou, A.Taparkou, G.Avgerinou, Cl.Papassarandi, D.Koliouskas, P.Vasileiou, S.Polychronopoulou Cytometry Part B (Clinical Cytometry), 80B: 390-429 (2011) 70 CONGENITAL LEUKEMIA CUTIS: BEYOND “BLUEBERRY MUFFIN”. S.Mouskou, V. Papadakis, E. Rigatou, S. Polychronopoulou. MASCC/ISOO 2012 International Symposium on Supportive Care in Cancer, 28-30/6/2012, New York, USA με τις ανακοινώσεις: 71 Thyroid function evaluation in children diagnosed and treated for childhood acute lymphoblastic leukemia V. Papadakis, E.Vlachopapadopoulou,G. Avgerinou1,I.Barbalias S. Papargyri and S. Polychronopoulou,PQ039 72 A New Look at Hypothyroidism, Dr.Drahomira Springer (Ed), ISBN:978953-51-0020, In Tech 73 Thyroid function following treatment of childhood Acute Lymphoblastic Leukemia. (PP) V. Papadakis, E.Vlachopapadopoulou,G. Avgerinou1,I.Barbalias S. Papargyri and S. Polychronopoulou, 74 FAMILIAL MYELODYSPLASTIC SYNDROMES ( MDS ) IN CHILDREN ASSOCIATED WITH NON- BONE MARROWFAILURE CONGENITAL SYNDROMES A.Makis, G.Avgerinou, S.I.Papadimitriou, K. Roka, E. Rigatou, S.Polychronopoulou. Leukemia Research, Volume 35, Suppl 1, May 2011, pp s109-110 75 CLINICAL VALUE OF FUNGAL SEROLOGY AND PCR IN THE MANAGEMENT OF INVASIVE FUNGAL DISEASE (IFD) IN PAEDIATRIC IMMUNOCOMPROMISED PATIENTS Maria Ampatzidou, Aristea Velegraki, Marianna Varsami, S. Antonopoulou, Sophia Papargyri, Vassilios Papadakis, Anastasia Pangali and Sophia Polychronopoulou 17th Congress of EHA (European Hematology Association), 1417/6/2012, Amsterdam, The Netherlands με την ανακοίνωση: 76 TAGONES, MINOR MATURE NK AND T LYMPHOCYTE SUBPOPULATIONS INTERFERING WITH MRD T-ALL ANALYSIS - A NOVEL STRATEGY PROPOSED G.Paterakis, A.Taparkou, M.Ampatzidou, G.Avgerinou, Cl.Papassarandi, D.Koliouskas, P.Vasileiou, S.Polychronopoulou ESCCA European Society of Clinical Cell Analysis, 13th Euroconference on CLINICAL CELL ANALYSIS 12-14 November 2013, 9th European Course on CLINICAL CYTOMETRY,15-16 November 2013 με την ανακοίνωση: 77 UNEXPECTED MLL REARRANGEMENTS IN ALL OF B-CELL ORIGIN, WITH POSITIVE CYTOPLASMIC Μ AND LIGHT CHAIN RESTRICTION, WITHOUT PRO-B PHENOTYPE G. Paterakis, A. Taparkou, S.I. Papadhimitriou, A. Athanasiadou, M. Ampatzidou, M. Kourti, D. Pavlidis, E. Farmaki, V. Papadakis, Ε. Steiakaki, D. Koliouskas, S. Polychronopoulou. 9th Childhood Leukemia Symposium, 28-29 April 2014, Prague, Czech Republic με τις ανακοινώσεις: 78 MLL REARRANGEMENTS IN CHILDHOOD ACUTE LYMPHOBLASTIC LEUKEMIA : CLINICAL AND GENETIC FEATURES OF A DINSTICT DISEASE ENTITY Μ.Αmpatzidou, S.I.Papadhimitriou, L.Petrikkos, D.Pavlidis, Κ.Tsitsikas, Ε.Rigatou, G.Paterakis and S.Polychronopoulou. 79 MLL REARRANGEMENTS IN CHILDHOOD ALL OF B-CELL ORIGIN WITH NO PRO-B PHENOTYPE: ASSOCIATION WITH CYTOPLASMIC Μ AND LIGHT CHAIN RESTRICTION G. Paterakis, A. Taparkou, S.I. Papadhimitriou, A. Athanasiadou, M. Ampatzidou, M. Kourti, D. Pavlidis, E. Farmaki, V. Papadakis, Ε. Stiakaki, D. Koliouskas, S. Polychronopoulou. 80 ETV6/RUNX1-POSITIVE CHILDHOOD ACUTE LYMPHOBLASTIC LEUKEMIA (ALL): DO ADDITIONAL ABERRATIONS INFLUENCE TREATMENT RESPONSE AND OUTCOME? Μ.Αmpatzidou, S.I.Papadhimitriou, G.Paterakis, Ε.Rigatou, L.Petrikkos, D.Pavlidis, Κ.Tsitsikas, G.Vassilopoulos and S.Polychronopoulou. Advances in Neuroblastoma Research Congress 2014, 13-16 May, Cologne, Germany. Clinical Research III 81 Myeloablative therapy (MAT) and Immunotherapy (IT) with ch14.18/CHO for High-Risk Neuroblastoma: Update and News of Randomised Results from HR-NBL1/SIOPEN trial. (OR067) Ruth L Ladenstein, Ulrike Poetschger, Roberto Luksch, Penelope Brock, Victoria Castel, Isaac Yaniv, Vassilios Papadakis, Genevieve Laureys, Josef Malis, Walentyna Balwierz, Ellen Ruud, Per Kogner, Henrik Schroeder, Maja Beck Popovic, Peter F Ambros, Guenter Schreier, Holger N. Lode, Hans Loibner, Andrew DJ Pearson, Dominique Valteau Couanet; St. Anna Children's Cancer Research Institute, Vienna, Austria; Istituto Nazionale Tumori di Milano, Milan, Italy; Great Ormont Street Hospital, London, United Kingdom; Pediatric Hematology and Oncology, Pediatric Oncology Unit Hospital La Fe Valencia, Valencia, Spain; Schneider Children's Medical Center of Israel, Tel Aviv, Israel; Agia Sofia Children's Hospital Athens, Athens, Greece; University Hospital Gent, Gent, Belgium; University Hospital Motol, Prague, Czech Republic; Jagiellonian University Medical College, Krakow, Poland; Rikshospitalet, Oslo, Norway; Karolinska Hospital, Stockholm, Sweden; University Hospital of Aarhus, Skejby, Aarhus, Denmark; Pediatric Hematology-Oncology Unit, University Hospital, Lausanne, Switzerland; Children's Cancer Research Institute, St. Anna Kinderspital, Vienna, Austria; AIT Austrian Institute of Technology GmbH, Graz, Austria; University Medicine Greifswald, Greifswald, Germany; Apeiron Biologics, Vienna, Austria; Institute of Cancer Research, Sutton, United Kingdom; Institut Gustave Roussy - Paediatric and Adolescent Oncology Department, Villejuif, France 82 Genomic Profiling in Low and Intermediate Risk Neuroblastoma to Refine Treatment Stratification and Improve Patient Outcome-LINES: a SIOPEN Trial (POT095) Gudrun Schleiermacher, Institut Curie, Department of Pediatric Oncology and U830 INSERM, Paris, France; Raffaella Defferrari, Giannina Gaslini Institute, Department of Pathology, Genoa, Italy; Katia Mazzocco, Giannina Gaslini Institute, Department of Pathology, Genoa, Italy; Rosa Noguera, University of Valencia, Department of Pathology, Valencia, Spain; Luigi Varesio, Giannina Gaslini Institute, Laboratory of Molecular Biology, Genoa, Italy; Inge M. Ambros, St. Anna Kinderkrebsforschung, Children’s Cancer Research Institute, Vienna, Austria; Alain Bernheim, Gustave Roussy, Department of Biology, Villejuif, France; Valerie Combaret, Centre Leon-Berard, Laboratoire de Recherche Translationnelle, France; Marta Jeison, Schneider Children’s Medical Center, Molecular Cytogenetique Laboratory, Israel; Nadine van Roy, Ghent University Hospital, Center for Medical Genetics, Ghent, Belgium; Jean Michon, Institut Curie, Department of pediatric Oncology, Paris, France; Veronique Mosseri, Institut Curie, Department of Biostatistics, Paris, France; Jose D. Bermudes, La Fe Hospital, Department of Biostatistics, Valencia, Spain; Adela Canete, La Fe Hospital, Department of Pediatric Oncology, Valencia, Spain; Andrea di Cataldo, University of Catania, Department of Pediatric Oncology, Italy; Vassilios Papadakis, Aghia Sophia Children's Hospital of Athens, Department of Pediatric Oncology, Greece; Kate Wheeler, Oxford University Hospitals NHS Trust, Department of Pediatric Oncology, United Kingdom; Peter F. Ambros, St. Anna Kinderkrebsforschung, Children’s Cancer Research Institute, Vienna, Austria 83 Clinical Research: Phase 2 and 3 Trials POC046 Influence of Age and Stage on Outcome in the High Risk Neuroblastoma HR-NBL1/SIOPEN Trial Ruth Ladenstein, St. Anna Children's Hospital and Research Institute, Paediatric Haematology/Oncology, Vienna, Austria; Ulrike Poetschger, St Anna Children's Hospital, Studies and Statistics on Integrated Research and Projects, Vienna, Austra; Roberto Luksch, Fondazione IRCCS Istituto Nazionale Tumori Haematology/Oncology, Milan, di Milano, Italy; Penelope Brock, Great Ormond Street Hospital, Paediatric Haematology/Oncology, Kingdom; Victoria Castel, Hospital Haematology/Oncology, La Fe London, Paediatric Yaniv, Schneider Israel, Paediatric Haematology/Oncology, Israel; Vassilios Papadakis, General Paediatric Hospital, Paediatric Belgium; Athens Haematology/Oncology, Greece; Genevieve Laureys, University Hospital Haematology/Oncology, Ghent, United Valencia, Valencia, Spain; Isaac Children's Medical Center of Paediatric Josef Hospital Motol, Paediatric Haematology/Oncology, Gent, Paediatric Malis, University Czech Republic; Walentyna Balwierz, Jagiellonia University Medical College, Paediatric Haematology/Oncology, Krakow, Poland; Paediatric Haematology/ Oncology, Ellen Ruud, Oslo, Norway; Karolinska Hospital, Paediatric Haematology/ Rikshospitalet, Per Oncology, Kogner, Stockholm, Sweden; Henrik Schroeder, University Hospital of Aarhus, Skejby, Paediatric Haematology/Oncology, Aarhus, Denmark; Ana Forjaz De Lacerda, Portuguese Haematology/Oncology, Institute Portugal; of Maja Hospital, Paediatric Haematology/Oncology; Oncology, Paediatric Beck-Popovic, University Pavel University Bician, Children's Hospital, Paediatric Haematology/Oncology; Miklos Garami, Semmelweis University, Paediatric Haematology/ Oncology, Hungary; Toby Trahair, Sydney Children's Hospital, Paediatric Haematology/Oncology, Sydney, NSW, Australia; Peter Ambros, St. Anna Kinderkrebsforschung e.V., Tumour Biology, Vienna, Austria; Keith Holmes, St. George's Hospital, Paediatric Surgery, London, United Kingdom; Mark Gaze, University College London Hospitals NHS Foundation Trust, Paediatric radiotherapy and radionuclide therapy, London, United Kingdom; Cormac Owens, Our Lady's Children's Hospital, Crumlin, Paediatric Haematology/Oncology, Dublin, Ireland; Gunter Schreier, Austrian Institute of Technology, Austria; Andy DJ Pearson, Institute Paediatric of Cancer Research and Royal Marsden Hospital, Haematology/Oncology, Dominque Valteau- Couanet, Haematology/Oncology, 84 Institut London, United Kingdom; Gustave Roussy, Paediatric Villejuif, France POC047 Non High-Risk Neuroblastoma European Strategy: SIOPEN LINES Protocol Implementation, Challenges, and Achievements Vanessa Segura, Instituto de Investigacion Sanitaria La Fe, Valencia, Spain; Alisa Alspach, St Anna Children's Hospital, Children´s Cancer Research Institute, Vienna, Austra; Andrea Di Cataldo, University of Catania, Pediatric Hematology and Oncology, Italy; Gudrun Schleiermacher, Institut Curie, Department of Pediatric Oncology, Laboratoire de Genetique et Biologie des Cancers, Paris, France; Jose D Bermudez, Universidad de Valencia, Departamento de Estadistica e Investigacion Operativa, Valencia, Spain; Veronique Mosseri, Institut Curie, INSERM U, Laboratoire de Genetique et Biologie des Cancers Paris, France; Vassilios Papadakis, Aghia Sophia Children's Hospital, Department of Pediatric Hematology- Oncology, Greece; Kate Wheeler, Oxford Children's Hospital, Department of Paediatric Haematology and Oncology Oxford, United Kingdom; Victoria Castel, Instituto de Investigacion Sanitaria La Fe, Grupo de Investigacion Clinica y Traslacional en Cancer, Valencia, Spain; Massimo Conte, Giannina Gaslini Children's Hospital, Department of Hematology-Oncology Genoa, Italy; Ruth Ladenstein, St Anna Children's Hospital, Children´s Cancer Research Institute, Vienna, Austria; Henrik Schroder, Aarhus University Hospital Skejby, Aarhus, Denmark; Ann Sophie Defachelles, Centre Oscar-Lambret, France; Dominique Plantaz, Hopital Michallon, Departement de pediatrie, Grenoble, France; Sifrah Ash, Schneider Children's Medical Center of Israel, Israel; Benedicte Brichard, University Hospital Leuven, Belgium; Adela Canete, Polytechnic University La Fe, Pediatric Oncology Unit, Valencia, Spain 56th Annual Meeting of the American Society of Hematology, San Francisco, LA, 6-9 December 2014, με τις ανακοινώσεις 85 Flow-Cytometry MRD Evaluation in Children with ALL; Can MRD Level on Day 33 Serve As a Surrogate Marker for Relapse? Maria Ampatzidou, George Paterakis, Konstantinos Tsitsikas, Stephanos I. Papadhimitriou, Vassilios Papadakis, Vassilios Vasdekis, Loizos Petrikkos, and Sophia Polychronopoulou. 86 ETV6/RUNX1-Postitive Childhood Acute Lymphoblastic Leukemia (ALL): Do Additional Aberrations Influence Treatment Response and Outcome? Maria Ampatzidou, Stephanos I. Papadhimitriou, George Paterakis, Loizos Petrikkos, Dimitrios Pavlidis, Konstantinos Tsitsikas, Vassilios Papadakis, George Vassilopoulos, and Sophia Polychronopoulou 87 MLL Rearrangements in Childhood Acute Lymphoblastic Leukemia: Clinical and Genetic Features of a Distinct Disease Entity Μ.Αmpatzidou, S.I.Papadhimitriou, L.Petrikkos, D.Pavlidis, Κ.Tsitsikas, V.Papadakis, G.Paterakis and S.Polychronopoulou 20th Congress of European Hematology Association (EHA), Austria, Vienna, 11 - 14 June 2015, με την ανακοίνωση: 88 VENOUS THROMBOEMBOLISM (VTE) IN CHILDREN WITH CANCER AND HEMATOLOGICAL DISORDERS; 16 YEARS OF EXPERIENCE IN A GREEK CENTER (Abstract: PB2053, publication only) Maria Ampatzidou, Helen Pergantou, Helen Platokouki, Helen Papachristodoulou, Vassilios Dendrinos, Efthymia Rigatou, Loizos Petrikkos, Vassilios Papadakis, Sophia Polychronopoulou 20th ICAAC/ICC 2015 (Interscience Conference of Antimicrobial Agents and Chemotherapy - International Congress of Chemotherapy and Infection), San Diego, CA, September 17–21, 2015, με την ανακοίνωση: 89 Voriconazole Prophylaxis in Children with Malignancies: A Nationwide Study Z. Pana, M. Kourti, M. Papageorgiou, D. Doganis, M. Vlaxou, N. Katzilakis, A. Kattamis, L.Petrikkos, E. Stiakaki, D. Koliouskas, M. Chatzistilianou, S. Polychronopoulou, H. Kosmidis, S. Grafakos, E. Roilides