A 37 year old man had suffered from hemiplegia for several years.He had been told it was multiple sclerosis.A neurologist suspected that the diagnosis was incorrect,and ordered a CT scan of the patient's cervical spine.The scan revealed a central tumour,which was pressing on the corticospinal tract.A neurosurgeon was able to completely remove the tumour,which is shown in the accompanying photomicrograph.Which one of the following is the best diagnosis?
A)Ependymoma
B)Glioblastoma
C)Meningioma
D)Multiple sclerosis
E)Oligodendroglioma

Question

A 37 year old man had suffered from hemiplegia for several years.He had been told it was multiple sclerosis.A neurologist suspected that the diagnosis was incorrect,and ordered a CT scan of the patient's cervical spine.The scan revealed a central tumour,which was pressing on the corticospinal tract.A neurosurgeon was able to completely remove the tumour,which is shown in the accompanying photomicrograph.Which one of the following is the best diagnosis? 
A)Ependymoma 
B)Glioblastoma 
C)Meningioma 
D)Multiple sclerosis 
E)Oligodendroglioma

Quizplus · Accepted Answer

Both the history and the histological appearance are typical of ependymomAIn children,the tumour is often seen in the 4th ventricle,whereas in adults,it typically occurs in the spinal corDThe most characteristic features are the recapitulation of tubule-like structures (T),which resemble the central canal,and perivascular "nuclear-free zones (P).

A 37 Year Old Man Had Suffered from Hemiplegia for Several