شنبه، فروردین ۲۴، ۱۳۸۷

سئوال هفته



This 4-month-old boy was noted to have difference in the pupil size by mother present from birth. She denies any other problems or any change in the condition. It was also noted that the difference in pupil size is greater when the child is in a dark room. Examination reveals no afferent pupillary defect, no ptosis or strabismus and the child has blue eyes.



1. What is the most likley diagnosis:
a. third nerve palsy
b. Horner's syndrome
c. simple central anisocoria
d. Marcus Gunn pupil



2. Which test would be most helpful in confirming the diagnosis:
a. CT scan
b. MRI scan
c. cocaine test
d. no test would be helpful



3. What is the next best step for this patient:
a. observation
b. CT scan
c. MRI scan
d. patching the right eye

Answers:

1. What is the most likely diagnosis:
b
2. Which test would be most helpful in confirming the diagnosis:
c
3. What is the next best step for this patient:
a

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