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  • Title: Endocrine manifestations of Langerhans cell histiocytosis diagnosed in adults.
    Author: García Gallo MS, Martínez MP, Abalovich MS, Gutiérrez S, Guitelman MA.
    Journal: Pituitary; 2010 Dec; 13(4):298-303. PubMed ID: 20559737.
    Abstract:
    Langerhans cell histiocytosis (LCH) is a rare granulomatous disease of unknown etiology. We retrospectively reviewed data from four patients (3 males and 1 female), mean age 33.5 years old (range: 21-40), with histopathological diagnosis of LCH. All of them presented with symptoms suggestive of endocrine involvement. The main complaint was goiter in two patients and polyuria and polydipsia in three. Before the LCH diagnosis, two patients had unevaluated symptoms of diabetes insipidus (DI) and hypogonadism. The mean time from symptoms onset to diagnosis was 6.25 years (range: 2-13). Histopathological diagnosis was established by total thyroidectomy (TT) biopsy in two patients, skin lesion biopsy in one, and pituitary stalk biopsy in the other. In the two-first patients, surgery was indicated after the fine-needle aspiration biopsy (FNAB) showed a false positive result of differentiated thyroid carcinoma and immunohistochemistry was used for diagnosis confirmation. Three cases were treated with chemotherapy; one of them had already received radiation therapy on the hypothalamic-pituitary region, developing post-radiation hypopituitarism.
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