Questions marked with * are more appropriate for residents.
*7. A 32 year old woman developed acute neurologic deficits and contrast enhancing
periventricular lesions. A stereotactic biopsy revealed changes shown below.
Immunohistochemistry of this lesion will show:
Immunohistochemistry of this lesion will show:
8. Conduction velocity in the peroneal nerve of a patient with MS and paraparesis is:
10. Which of the following is not seen in old MS lesions?
11. Devic's disease is characterized
by involvement of:
12. Which of the following is
most commonly affected in MS?
13. A 37 year old man had progressive
neurologic deficits including hemiparesis and ataxia for nine months. CSF shows
37 lymphocytes, protein 54, glucose 50, and no oligoclonal bands. The most likely
diagnosis is:
14. A 12 year old white male had progressive psychomotor decline for three years and the MRI findings shown
below
The CSF shows 15 lymphocytes, glucose 67, protein 43, and normal CSF IgG/albumin ratio. The most likely diagnosis is:
The CSF shows 15 lymphocytes, glucose 67, protein 43, and normal CSF IgG/albumin ratio. The most likely diagnosis is:
*15. A 37 year old man with AIDS
developed ataxia and paralysis. The MRI shows cerebellar
and brainstem nonenhancing lesions. The
cerebellar biopsy includes mostly normal
cerebellar cortex and a small amount
of white matter which shows a few mononuclear
cells, macrophages and reactive astrocytes.
The best use of the material in order
to obtain a diagnosis is:
16. Which of the following structures
is most commonly affected in MS?
17. A 26 year old woman developed
severe dizziness, hoarseness, extension of the neck,
and right arm weakness in the course of 8 days.
The MRI shows enhancing lesions in the lower brainstem
and upper spinal cord. A stereotactic biopsy is
shown below.
The most likely diagnosis is:
The most likely diagnosis is:
*18. A 32 year old hemophiliac
patient developed neurologic deficits and enhancing
cerebral and cerebellar white matter lesions over
a period of four months. A stereotactic biopsy of
the cerebellum is shown below.
The most likely diagnosis is:
The most likely diagnosis is:
19. The pathology illustrated
in this myelin stained section of the pons is likely
to occur in all of the following conditions except:
20. Stereotactic brain biopsy
of a ring enhancing lesion of the left frontal lobe in a previously healthy
37 year old woman who had neurological symptoms for 2 months. Work up showed
no fever, sinusitis or other findings. The most likely diagnosis is:
