Localization and postoperative follow-up of a bronchial carcinoid tumor causing Cushing’s syndrome by 111In-DTPA labelled octreotide scintigraphy

Autor: L. Flores, F. Fernandez-Fernandez, Irene Halperin, J. M. Manzanares, F. Lomeña, Vilardell E
Rok vydání: 1997
Předmět:
Zdroj: Journal of Endocrinological Investigation. 20:327-330
ISSN: 1720-8386
0391-4097
DOI: 10.1007/bf03350311
Popis: Bronchial carcinoid tumor is the most frequent occult source of ectopic ACTH-dependent Cushing’s syndrome, but its initial localization may be very difficult, as well as its postoperative follow-up. We here present the case of a 21 -year-old man with Cushing’s syndrome and biochemical findings suggesting an ectopic source of ACTH (lack of inhibition of Cortisol after overnight 8-mg dexametha-sone supression test, and lack of response to h-CRH challenge). Chest CT-scan showed a node adjacent to the left lung hilium whose nature was confirmed by uptake of 111Indium-DTPA labelled octreotide scintigraphy. Surgical resection of the tumor consisted in an upper lobectomy of the left lung. Microscopic examination identified a typical carcinoid tumor. After surgery pituitary-adrenal function normalized and a second scintigraphy offered additional data on the absence of tumor remnants.
Databáze: OpenAIRE