Acta neuropathologica · 2001
Cushing's disease due to plurihormonal adrenocorticotropic hormone and gonadotropin-producing pituitary adenoma.
Клинический случайСтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Egensperger R, Scheithauer B W, Horvath E, Kovacs K, Giannini C, Young W F, Lloyd R, Atkinson J, Nippoldt T B
Аннотация
A 67-year-old woman presented with clinical features of hypercortisolism in association with an invasive pituitary macroadenoma. Adrenocorticotropic hormone (ACTH)-dependent Cushing's disease was documented, and the resected tumor was chromophobic, weakly positive with periodic-Schiff reagent, and showed immunostaining for ACTH and beta-endorphin in a minority of adenoma cells. Both luteinizing hormone and alpha-subunit staining were also observed, but no follicle-stimulating hormone reactivity was seen. Ultrastructurally, the tumor showed typical features of a gonadotroph adenoma of female type. Immunoelectron microscopy showed that ACTH was not produced in corticotrophs, but in cells with the characteristic features of gonadotrophs. This represents the second report of a plurihormonal gonadotroph adenoma producing sufficient ACTH to result in pituitary-dependent Cushing's disease.