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Figure 1. In 1992, a T1-weighted magnetic resonance imaging study detected a macroadenoma of the pituitary (arrowhead in Panel A) in a 41-year-old man with transient right-sided weakness. He had no symptoms of pituitary dysfunction, and the results of laboratory studies were normal except for a serum prolactin concentration of 186 ng per milliliter (normal, <15). The 2.2-cm tumor was resected by transsphenoidal surgery. The weakness did not recur.
In May 1995, the patient reported episodic clouding of consciousness, and a review of his records disclosed a serum glucose concentration (measured during fasting) of 45 mg per deciliter . . . [Full Text of this Article] |
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