Incidence of lymphoid neoplasms by subtype and race, 1992-2001 Blood 2006;107:265 CHRONIC LYMPHOCYTIC LEUKEMIA • 25-30% of all leukemia in Western Hemisphere • Rare at age < 40; incidence rises with age • B-cell phenotype About half of cases resemble “naïve” B-cells, half have post-germinal center phenotype with mutated Ig Vh gene Unmutated Ig Vh gene associated with worse prognosis • Dx: persistent, absolute lymphocytosis in blood & marrow Confirm clonal B-cell population via flow cytometry • Most patients have diffuse lymph node involvement Incidence of CLL/SLL by race, sex, and age, 1992-2001 Blood 2006;107:265 CHRONIC LYMPHOCYTIC LEUKEMIA Smudge cell Blood smear Nodular marrow infiltration Packed marrow CHRONIC LYMPHOCYTIC LEUKEMIA COMPLICATIONS • Constitutional symptoms (fatigue) • Anemia, thrombocytopenia • Progressive lymph node enlargement • Other organ infiltration • Infection (bacteria, fungi, zoster, Pneumocystis) • Autoimmune hemolysis/thrombocytopenia • Transformation to aggressive lymphoma • Other solid tumors (skin, lung, GI most common) NEJM 1995;333:1052-1057 CHRONIC LYMPHOCYTIC LEUKEMIA Treatment options • Chlorambucil (25-35% overall response, 2-10% CR) • Cytoxan, vincristine, prednisone (CVP) • Nucleoside analogs (fludarabine, cladribine) – Response rates higher than chlorambucil but overall survival similar; somewhat more toxic • Rituximab, other immunotoxins • More aggressive chemotherapy for refractory • • disease IVIG for hypogammaglobulinemic patients with recurrent infection No advantage to treating asymptomatic disease Fludarabine Compared with Chlorambucil as Primary Therapy for Chronic Lymphocytic Leukemia NEJM 2000;343:1750 Event-free survival Overall survival Fludarabine Compared with Chlorambucil as Primary Therapy for Chronic Lymphocytic Leukemia NEJM 2000;343:1750 FLUDARABINE WITH SEQUENTIAL OR CONCURRENT RITUXIMAB IN PREVIOUSLY UNTREATED, SYMPTOMATIC CLL Blood 2003;101:6 Event free survival Overall survival NON-HODGKINS LYMPHOMA BIOLOGY • Often associated with chromosome translocations linking oncogene with immunoglobulin gene (B-cell phenotypes) or T-cell receptor gene (T-cell phenotypes) • Etiology: EBV, HTLV-1 Immunodeficiency states Environmental (pesticides, etc) Familial predisposition Pagano JS. Viruses and lymphoma. NEJM 2002;347:78 NON-HODGKINS LYMPHOMA CLASSIFICATION • "Favorable" (indolent) • Intermediate • High-grade (aggressive) NON-HODGKIN'S LYMPHOMA INFORMATION USED IN CLASSIFICATION • Morphology • Immunohistochemistry • Immunophenotype (flow cytometry) • Cytogenetics • Molecular features (gene expression, etc) • Clinical setting • Pattern of spread Low-grade non-Hodgkin’s lymphomas Small lymphocytic lymphoma/CLL Follicular lymphoma Intermediate- and high-grade non-Hodgkin’s lymphomas Large B-cell lymphoma Burkitt’s lymphoma NON-HODGKINS LYMPHOMAS "FAVORABLE" SUBTYPES • Follicular (nodular) or diffuse histology • Small, well-differentiated cells or small cleaved cells • Primarily B-cell phenotype • Slow growth • Usually advanced stage at presentation • Asymptomatic patients may not need Rx • Often good response to initial treatment • High relapse rate (? incurable) but prolonged survival possible FOLLICULAR LYMPHOMA • About 20% of all non-Hodgkin’s lymphoma • Median age about 60; rare in young people • Usually presents with widespread disease – <20% stage I, 50% stage IV; 40-50% have marrow involvement • Typically CD20+, CD5-, CD10+ • t(14;18), overexpression of BCL-2 oncogene Incidence of follicular NHL by race, sex, and age, 1992-2001 Blood 2006;107:265 SURVIVAL IN FOLLICULAR LYMHOMA J Clin Oncol 23:5019-5026 NON HODGKINS LYMPHOMA Treatment options for low grade disease • Low dose alkylators (chlorambucil) • Cytoxan, vincristine, prednisone (CVP) • Nucleoside analogs (fludarabine, cladribine) • Rituximab, other immunotoxins • Local XRT • More aggressive chemotherapy/ABMT for • refractory/transformed disease No advantage to treating asymptomatic disease Immediate treatment vs watchful waiting in asymptomatic patients with advanced stage lowgrade NHL Lancet 2003;362:516 CVP vs R-CVP in Advanced Follicular Lymphoma Blood 2005;105:1417 NON-HODGKINS LYMPHOMAS INTERMEDIATE SUBTYPES • Diffuse histology (> 90%) • Large cells or small cleaved cells • B-cell or T-cell phenotype • Moderate growth rates • May present in extranodal sites • 40-50% curable with combination chemotherapy Diffuse large cell lymphoma • About 30% of NHL • Median age about 65; can occur in young people • About equal proportions of localized and disseminated disease at presentation. Often involves extranodal tissue • CD20+ • t(14;18), t(8;14), t(3;14) • Oncogenes: BCL-2, C-MYC, BCL-6 Incidence of B-large cell lymphoma by race, sex, and age, 1992-2001 Blood 2006;107:265 Comparison of a Standard Regimen (CHOP) with Three Intensive Chemotherapy Regimens for Advanced Non-Hodgkin's Lymphoma NEJM 1993;328:1002 Time to treatment failure Overall survival CHOP vs CHOP + rituximab in elderly patients with large B-cell lymphoma J Clin Oncol 2005;23:4117 Event-free survival Overall survival Initial Treatment of Aggressive Lymphoma with High-Dose Chemotherapy and Autologous Stem-Cell Support N Engl J Med 2004;350:1287 Event-free survival All patients “High intermediate” risk pts NON-HODGKINS LYMPHOMA AGGRESSIVE SUBTYPES • Blastic morphology "small non-cleaved" = Burkitt's lymphoblastic • Propensity for marrow, blood, CNS involvement • Rapid growth • Cure possible with aggressive combination chemotherapy BURKITT LYMPHOMA • <1% of NHL • Median age 31; some cases in children – Same as L3 ALL • Most present with localized disease, about 40% with disseminated disease. Extranodal involvement common (up to 80% of pts) • Very fast-growing, most have high LDH • CD20+, CD10+, CD5-, tdT• t(8;14), t(2;8), t(8;22) with overexpression of C-MYC Incidence of Burkitt lymphoma by race, sex, and age, 1992-2001 Blood 2006;107:265 NON-HODGKINS LYMPHOMA: SURVIVAL VS TIME % SURVIVING 100 INTERMEDIATE & HIGH GRADE LOW GRADE 0 10 yrs Survival patterns in NHL - 1 ALCL, anaplastic large T/null-cell lymphoma; MZ, MALT, marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue; FL, follicular lymphoma Blood 1997;89:3909-3918 Survival patterns in NHL - 2 MZ, nodal, marginal zone B-cell lymphoma of nodal type; LP, lymphoplasmacytoid lymphoma; SL, small lymphocytic lymphoma Blood 1997;89:3909-3918 Survival patterns in NHL - 3 Med LBC, primary mediastinal large B-cell lymphoma; DLCBL, diffuse large B-cell lymphoma; HG, BL, high-grade B-cell Burkittlike lymphoma Blood 1997;89:3909-3918 Survival patterns in NHL - 4 T-LB, precursor Tlymphoblastic lymphoma; PTCL, peripheral Tcell lymphoma; MC, mantle cell lymphoma. Blood 1997;89:3909-3918 HODGKIN’S DISEASE Cervical lymphadenopathy Hilar and mediastinal lymphadenopathy Hodgkin’s disease: ReedSternberg cell (blue arrow) and Hodgkin’s cell (red arrow) in marrow biopsy HODGKIN'S DISEASE EPIDEMIOLOGY • Annual incidence in US: 5-7 cases/100,000 persons • Median age approx 30 yrs • Bimodal age distribution • More common in upper socioeconomic strata • Role of EBV in pathogenesis NEJM 2003; 349:1324 Incidence of Hodgkin lymphoma by race, sex, and age, 1992-2001 Blood 2006;107:265 HODGKIN'S DISEASE BIOLOGY • Virtually all cases originate in lymph nodes • Most present with supradiaphragmatic disease • Initial spread to adjacent node groups • Immune response to tumor Non-malignant lymphocyte infiltration Fibrosis/sclerosis Constitutional signs HODGKIN'S DISEASE STAGING I - single node or group of contiguous nodes II - two node groups, same side of diaphragm III - nodes (or spleen), both sides of diaphragm IV - extranodal (other than by direct extension) (liver, marrow, lung most common) "B" symptoms: fever, weight loss, night sweats HODGKIN’S DISEASE Potential sites of lymphatic spread HODGKIN'S DISEASE TREATMENT • Stage I or IIA: radiotherapy or combined modality (chemo + local XRT) • Stage IIB or greater: combination chemotherapy (ABVD, etc) • Bulky tumors may require both modalities • Cure rates > 70-80% possible Lancet 2003;361:943 Lancet 2003;361:943 Long-term cause-specific mortality in patients treated for Hodgkins disease J Clin Oncol 2003;21:3431 PLASMA CELL DYSCRASIAS CLASSIFICATION • Monoclonal gammopathy of uncertain significance (MGUS) "Benign"/idiopathic Associated with other diseases (autoimmune, infectious, non-heme cancer, etc) • Plasma cell or lymphoid malignancy Waldenstrom's macroglobulinemia Other lymphoproliferative disorders Smoldering multiple myeloma Multiple myeloma Incidence of plasma cell neoplasm by race, sex, and age, 1992-2001 (predominantly multiple myeloma) Blood 2006;107:265 MONOCLONAL GAMMOPATHY COMPLICATIONS • Hyperviscosity (IgM >> IgA > IgG) • Renal dysfunction (light chains) Glomerular Tubular Neuropathy Other organ damage (rare) Cryoglobulinemia (types I and II) Amyloidosis • • • • CRYOGLOBULINEMIA IN IgM GAMMOPATHY Brit J Haematol 2004; 124:565 MULTIPLE MYELOMA – BONE MARROW ASPIRATE MULTIPLE MYELOMA Serum and urine protein electrophoresis Monoclonal IgG Serum Urine Free light chain MULTIPLE MYELOMA Lytic bone lesions Nephropathy MULTIPLE MYELOMA EPIDEMIOLOGY • Incidence in US approx 3 cases/100,000/yr • 98% of cases > 40 yrs old • Risk factors: genetic radiation exposure ? chemical exposure MULTIPLE MYELOMA CLINICAL MANIFESTATIONS • Anemia progressing to pancytopenia • Bone pain/destruction • Hypercalcemia • Humoral immune defect • Local effects of plasmacytomas • Systemic effects of paraprotein MULTIPLE MYELOMA DIAGNOSIS • Monoclonal paraprotein Intact immunoglobulin in serum (SPEP) Light chains in serum or urine (IEP) • Marrow plasmacytosis (> 20% - may be patchy) • Lytic bone lesions • Plasmacytoma MULTIPLE MYELOMA INDICATIONS FOR TREATMENT • Symptomatic disease • Bone destruction • Anemia • Organ dysfunction • Hypercalcemia • Increasing paraprotein microglobulin level or ß2- MULTIPLE MYELOMA TREATMENT • Initial treatment: alkylating agent + prednisone • Alternative: vincristine, adriamycin + dexamethasone (VAD) • High dose cytoxan, thalidomide for relapsed or refractory disease • Proteasome inhibitor (bortezomib) • Median survival 3-4 yrs; essentially no cures with chemotherapy alone • Auto-BMT prolongs survival • Allo-BMT has curative potential for younger pts Overall and progressionfree survival in multiple myeloma: standard chemotherapy vs highdose chemotherapy with stem cell rescue NEJM 2003;348:1875 Proteasome inhibition