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Severe hypertension and hypokalemia as first clinical manifestations in ectopic Cushing's syndrome / Hipertensão grave e hipocalemia como primeiras manifestações clínicas em casos de síndrome de Cushing ectópica
Fernández-Rodríguez, Eva; Villar-Taibo, Rocío; Pinal-Osorio, Iria; Cabezas-Agrícola, José Manuel; Anido-Herranz, Urbano; Prieto, Alma; Araujo-Vilar, David.
  • Fernández-Rodríguez, Eva; s.af
  • Villar-Taibo, Rocío; s.af
  • Pinal-Osorio, Iria; s.af
  • Cabezas-Agrícola, José Manuel; s.af
  • Anido-Herranz, Urbano; s.af
  • Prieto, Alma; s.af
  • Araujo-Vilar, David; University Clinical Hospital of Santiago de Compostela. ES
Arq. bras. endocrinol. metab ; 52(6): 1066-1070, ago. 2008. graf, tab
Article in English | LILACS | ID: lil-492939
ABSTRACT
Ectopic ACTH production occurs in about 10 percent of all cases of Cushing's syndrome, and about 25 percent of cases of ACTH-dependent Cushing's syndrome. Diverse tumor types are able to produce ACTH ectopically, including small cell lung carcinoma. Ectopic ACTH secretion by malignant neoplasm has been reported to have earlier and more aggressive metabolic effects. We report a 59-year-old male patient with severe hypertension, metabolic alkalosis and hypokalemia as the first clinical manifestations of an ACTH-secreting small cell lung carcinoma, although the typical phenotypic features of Cushing's syndrome were not present. Ectopic Cushing's syndrome should always be ruled out in patients with severe hypertension and hypokalemia.
RESUMO
A produção de ACTH ectópico ocorre em aproximadamente 10 por cento dos casos de síndrome de Cushing, e em aproximadamente 25 por cento dos casos de síndrome de Cushing dependentes de ACTH. Diversos tipos de tumores são capazes de produzir ACTH ectopicamente, incluindo carcinoma pulmonar de células pequenas. Relatórios indicam que a secreção de ACTH ectópico por neoplasma maligno causa efeitos metabólicos prematuros e mais agressivos. Apresentamos um paciente, 59 anos, com hipertensão grave, alcalose metabólica e hipocalemia, tendo estas como as primeiras manifestações clínicas de um carcinoma pulmonar de células pequenas com secreção de ACTH, embora as características fenótipas típicas da síndrome de Cushing não estavam presentes. A síndrome de Cushing ectópica deveria ser excluída sempre em pacientes com hipertensão grave e hipocalemia.
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Full text: Available Index: LILACS (Americas) Main subject: ACTH Syndrome, Ectopic / Cushing Syndrome / Small Cell Lung Carcinoma / Hypertension / Hypokalemia / Lung Neoplasms Type of study: Diagnostic study Limits: Humans / Male Language: English Journal: Arq. bras. endocrinol. metab Journal subject: Endocrinology / Metabolism Year: 2008 Type: Article Affiliation country: Spain Institution/Affiliation country: University Clinical Hospital of Santiago de Compostela/ES

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Full text: Available Index: LILACS (Americas) Main subject: ACTH Syndrome, Ectopic / Cushing Syndrome / Small Cell Lung Carcinoma / Hypertension / Hypokalemia / Lung Neoplasms Type of study: Diagnostic study Limits: Humans / Male Language: English Journal: Arq. bras. endocrinol. metab Journal subject: Endocrinology / Metabolism Year: 2008 Type: Article Affiliation country: Spain Institution/Affiliation country: University Clinical Hospital of Santiago de Compostela/ES