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Arch Neurol. 2002;59:1962-1963.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

A 53-YEAR-OLD MAN had a 1-month history of headaches, lethargy, decreased libido, and increased thirst. Subsequently, he developed diplopia, bitemporal hemianopsia, and a right third nerve palsy. He recently had 1 bout of hematuria following exercise. His physical examination was otherwise unrevealing. His medical, surgical, and family history were unremarkable. Endocrine testing revealed panhypopituitarism and diabetes insipidus (DI); urinalysis showed microscopic hematuria. Magnetic resonance imaging demonstrated an enhancing, invasive sellar and parasellar mass (Figure 1, A-C). Transsphenoidal decompression and subtotal resection were performed, with resolution of his headache and improvement in his visual field deficits and diplopia. Diabetes insipidus and hypopituitarism persisted. A clear cell carcinoma was identified histologically (Figure 1, D-E). Results of a workup revealed a 6-cm solid mass in the right kidney, which was resected. The patient received fractionated radiotherapy to the parasellar region, with stabilization of his residual metastatic pituitary disease. He . . . [Full Text of this Article]