Clinical Pediatric Endocrinology
Online ISSN : 1347-7358
Print ISSN : 0918-5739
ISSN-L : 0918-5739
Case Report
Pheochromocytoma complicated by cyanotic congenital heart disease: a case report
Keiko YamamotoNoriyuki NambaTakuo KubotaTakeshi UsuiKunihiko TakahashiTaichi KitaokaMakoto FujiwaraYumiko HoriShigetoyo KogakiTakaharu OueEiichi MoriiKeiichi Ozono
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JOURNALS OPEN ACCESS

2016 Volume 25 Issue 2 Pages 59-65

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Abstract

Coincidental cyanotic congenital heart disease and pheochromocytoma is uncommon, although some cases have been reported. We describe a girl aged 15 yr and 11 mo with pheochromocytoma and tricuspid atresia treated by performing the Fontan surgery. The patient did not have any specific symptoms of syndrome related to pheochromoytoma or a family history of pheochromocytoma. During cardiac catheterization, her blood pressure increased markedly, and an α-blocker was administered. Catecholamine hypersecretion was observed in the blood and urine, and abdominal computed tomography revealed a tumor in the right adrenal gland. Scintigraphy showed marked accumulation of 123I-metaiodobenzylguanidine in the tumor, which led to a diagnosis of pheochromocytoma. We did not detect any germline mutations in the RET, VHL, SDHB, SDHD, TMEM127, or MAX genes. This patient had experienced mild systemic hypoxia since birth, which may have contributed to the development of pheochromocytoma.

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© 2016 by The Japanese Society for Pediatric Endocrinology

This article is licensed under a Creative Commons [Attribution-NonCommercial-NoDerivatives 4.0 International] license.
https://creativecommons.org/licenses/by-nc-nd/4.0/
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