Resumo

CASTILLO SAYAN, Oscar et al. An unusual presentation of hypoglycemic distal polyneuropathy caused by an insulinoma in the context of multiple endocrine neoplasia 1. An. Fac. med. [online]. 2018, vol.79, n.4, pp.317-322. ISSN 1025-5583.  http://dx.doi.org/10.15381/anales.v79i4.15637.

Multiple endocrine neoplasia type 1 is a rare disease. It is characterized by the neuroendocrine, parathyroid, pituitary, and enteropancreatic tumor involvement. We present the case of a 19 year old patient with symptoms of headache, convulsions and weakness of the four extremities. The presence of hypoglycemia 33mg/dL was confirmed. The electromyographic study showed motor sensory polyneuropathy in all four extremities. The abdominal magnetic resonance showed a tumor in the tail of the pancreas that after the pancreatectomy was confirmed as insulinoma. The glycemia was normalized. In addition, he presented a pituitary macroadenoma, primary hyperparathyroidism and non-functioning adrenal tumor. At 25 years of age, he presented severe headache and amaurosis of the right eye. Axial tomography showed a giant pituitary tumor and in the study of pathology chondroid malignancy (chordoma) was diagnosed.

Palavras-chave : Multiple Endocrine Neoplasia Type 1; Hypoglycemia; Polyneuropathies; Insulinoma.

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