A middle aged female presents with slowly progressive weakness of lower limbs, spasticity and recent onset hesitancy of Micturition. On neurological examination there is evidence of dorsal myelopathy. MRI scan of spine reveals middorsal intradural contrast enhancing mass lesion. Diagnosis is:
Intradural lipoma
Dermoid cyst
Meningioma
Epidermoid cyst
Ans. c. Meningioma (Ref. Harrison 19/e p602, I 8/e p3388; Chapman 4/e p431; Sahicton /9/e p 1888- 1889; Schwa/17 9/e p1540- I 541: Bailey 26/e p614, 25/e p633)Diagnosis in a middle aged female with slowly progressive weakness of lower limbs, spasticity and recent onset hesitancy of micturition with evidence of dorsal myelopathy and middorsal intradural contrast enhancing mass lesion on MRI is meningioma.