Unusual Combination of Insulin-Dependent Diabetes Mellitus with Transient-Pituitary-Isolated Gonadotropin Deficiency.

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We report a 27-year-old man with insulin-dependent diabetes mellitus and transient-pituitary-isolated gonadotropin deficiency. He had typical diabetic symptoms, and a loss of libido of a 6-month duration. Although antibodies to islet cells or islet cell surface were not detected in his sera, daily urinary excretion of c-peptide immunoreactivity was extremely low, and antibodies to the pituitary AtT-20 cell were detected. The plasma responses of gonadotropin to a single and a repetitive lute-nizing hormone-releasing hormone were extremely low, whereas testosterone concentrations in the serum and urine were low normal. After 6 months, the gonadotropin deficiency and loss of libido were not detected and antibodies to the AtT-20 cell was negative. We suspected that both insulin-dependent diabetes mellitus and transient-gonadotropin-deficiency might be an autoimmune mechanism.(Internal Medicine 33: 27-30, 1994)
社団法人　日本内科学会の論文