Neuro and Head and Neck – Autumn 2012 1. Young woman involved in RTA, weakness in hands, cystic lesion next to spinal cord with cord in opposite direction – which level is the lesion: a. C4/5 b. C5/6 c. C6/7 d. C7/T1 2. Old accident with non specific arm symptoms, fluid filled spaces at C6/7 exit foramina with nerve roots not visualised and weakness in right distribution – a. Nerve root avulsion b. Torlov cyst 3. MRI for brain lesion 3-4/52. Now presents with pain and itching over foot, ankle, red indurating rash, parasthesia and SOB on lying flat and upright a. NSF b. Sarcoid 4. Young man, headache, supra anterior part of 3rd ventricle, hyperintense on CT- Colloid cyst 5. Young woman with parotid mass, unilateral, multicystic, low on T2 a. Pleomorphic adenoma 6. Diabetes insipidus, which lesion can it not be ? LCH 7. Midline mass mainly cystic with some Calcs closely assoc with pineal gland a. dermoid b. pineoblastoma c. germinoma d. pineocytoma 8. subarachnoid haermorrhage 2/52 ago, MRI appearances 9. What is best sequence of vertebral artery dissection a. Time of flight b. 2D/3D gad enhanced c. T1 Fat sat d. T2 Fat sat 10. Young man, cystic lesions in parotids bilaterally with bilateral Lymph nodes a. Sarcoid b. HIV c. TB d. Warthins 11. Young man in RTA, intracranial blood at vertex crossing the midline, straddling the falx a. Intercerebral parafalcine b. Subdural c. EDH d. Combined 12. 41 year old man with seizures, symmetrical high T2 hyperintensities in ext capsule, periventricular and temporal a. cadasil b. Moyamoya 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. c. SLE Facial rash and seizures – SLE Tram track calc in optic sheath – NF2 80 year old man mass in corpus callosum with T2 changes in periventricular regions ?lymphoma/GBM 16 year old girl, confusion, low attenuation ring enhancing lesions on T2- abscess Arachnoid cyst – CSF density, no restriction, disappears on FLAIR Epidermoid at CPM – restricts on DWI Post trauma, which on is abnormal a. Air in Prussak b. Air in ventricle c. Air in epitympanic recess d. Fluid in cochlear CN6/7 a. Clival chondrosarcoma b. Cavernous sinus meningioma c. Facial nerve schwanomma d. Positive cavernoma e. Midbrain demyelination MS – optic neuritis, now loss parathesia? Where is the lesion in the brain? a. Calloseptal interface b. Cortical Bells’ palsy – which part of the facial nerve enhances? 80 year old man. Lytic, sclerotic and subperiosteal bone resorption . Peripheral soft mass, past medical history. a. Bisphophanate b. Ameloblastoma c. Osteonecrosis d. Dentigerous cyst Orbital pseudotumour vs thyroid a. Not involvement b. Involvement of lacrimal c. Single muscle d. Extraconal Lymph node levels – a. Above hyoid b. Tonsillar cancer c. Level II/III Nasopharyngeal cancer. RCA totally occluded, left carotid – 90% a. Medical b. Stenting on right c. Endarterectomy d. Surgical revasc e. Endovasc stenting Alobar holoprosencephaly 28. Difference between benign intracranial hypertension and sagittal sinus thrombosis a. Subtle bleed in ventricle b. Prominent temp horns c. Slit like lateral ventricles d. Bilateral haemorrhages 29. Pregnant pre eclampsia pt then cortical thickness where is the lesion – bilateral occipital haemorrhages 30. Young man with HIV, nodular enhancement of basal ganglia a. Cypto b. Toxo c. HIV encephalopathy 31. Badly controlled DM and hypertension- CSF spaces in basal ganglia, no DWI a. Perivascular b. Lacunar infarcts 32. Enhancement of leptomeninges, nodular enhancement of spine – sarcoid 33. Soft tissue calc in hip and calc lesion in brain and oedema – neurocystercis 34. MRI/CT of sagittal sinus thrombosis 35. CNIII palsy, then SAH – where is aneurysm? a. ACOM b. Ophthalmic artery 36. Horner syndrome – T2 crescentic high signal 37. Differential BP, collapse when playing golf, reveral of flow in left vertebral, biphasic in axillary artery, biphasic is brachial 38. HIV encephalopathy 39. HIV – PML 40. Seizures in young man, temporal lobe lesion – DNET 41. Thoracic cord lesion extramedullary, intradural mass does not affect exit foramina ? a. Neurofibroma b. Meningioma 42. Dural fistula vs AVM 43. Cerebellar atrophy with T2 hyperintense ring, ataxia, hameosisderin 44. Anti-onconeuroantibodies in CSF – where is the primary – breast, lung, colon, thymoma 45. High T2 in mesial temporal lobe and confusion – paraneoplastic syndrome a. Bronchus b. Breast c. Renal d. Thyroid e. Melanoma 46. Describe mesial temporal sclerosis – small hippocampus with high T2 47. B12 deficiency – signal change in dorsal columns, loss in T1 in vertebral bodies 48. Thyroid, calc, positive lymph node, young woman - papillary, medullary, nothing? 49. Parathyroid PTH raised, raised calc but US normal – what next? PET,CT, MRI, sestamibi 50. Lymph node, Level II- normal mediastinoscopy – FNA – SCC, CT Normal, what next? PET/CT 51. Something moves PPS forward – where is the lesion? Parotid, masticator, carotid, retropharayngeal 52. Describe paraganglioma – pulsatile tinnitus, flow voids, avid enhancement 53. CN6 palsy, retrobulabar pain and otitis media, fluid in mastoid and middle ear, ill defined change in petrous apex a. mastoiditis, b. Cholesterol granuloma c. Petrous apex apicitis 54. Cholesteotoma – area least likely to be involved – semi circular canal 55. HMPAO SPECT – post temporal and parietal low activity and reduced in frontal area – a. Alzheimers b. Lewy body dementia 56. RTA – mass, swelling in eye – carotico cavernous fistula 57. CN 7 supplies all these muscles except one – masseter 58. Antrochoanal polyp 59. 15 year old boy, widened pterygopalatine fossa – juvenile angiofibroma 60. Cyst at base of tongue – homogenously enhancing a. Thornwaldt cyst b. Thyroglossal c. Lingular thyroid 61. What structures would definitely be missing in radical neck dissection a. SCM and submandibular b. Digastric and parotid c. Medial part of clavicle d. Mandible e. Carotid