Eccentric topic of the week: Neurology
Question 25:
A 57-year-old woman presents
with a 3-month history of unsteady gait, incontinence, and slow thought
processing. Brain magnetic resonance imaging reveals enlarged ventricles
without prominent cortical sulci; no mass lesion is seen even after contrast
administration. You consider the diagnosis of normal pressure hydrocephalus but
her fundoscopic examination reveals the image below. Her visual examination is
unremarkable.
1) How would you explain her abnormal retinal
appearance?
A. This is a normal finding in middle-aged people and it is better left
ignored
B. This is an old choroiditis, and possibly has no association with her
current presentation
C. There are multiple foci of malignant melanoma, and her liver should be
examined
D. This is proliferative retinopathy, and her serum glucose should be
tested
E. This is a partial ocular albinism, and possibly has no association with
her current presentation
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