mitty
Forum Guru
Topics: 52
Posts: 376
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A 46-year-old man has paresis of upward gaze, defective convergence, and large pupils that respond more briskly to accommodation than to light. This man most likely has
A. Bell palsy
B. cerebellar gaze palsy
C. internuclear ophthalmoplegia
D. one-and-a-half syndrome
E. Parinaud syndrome
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| lilla
Forum Senior
Topics: 29
Posts: 158
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answer is E
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| suv
Forum Elite
Topics: 43
Posts: 233
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Parinaud Syndrome
Also called dorsal midbrain or collicular syndrome, this disorder is characterized by an upward fixed gaze and pupils. Structures in the vicinity of the dorsal midbrain area, including cranial nerve IV, the superior and inferior colliculi, pretectal area, and pineal gland, are affected. Pineal tumors and hydocephalus are main causes of damage to these structures.
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