An Unusual Case of Ectopic ACTH Syndrome Due to Primary Retroperitoneal Carcinoid

被引：3

作者：

Kasaliwal, Rajeev ^{[1
]}

Malhotra, Gaurav ^{[2
]}

Lila, Anurag ^{[1
]}

Bandgar, Tushar ^{[1
]}

Shah, Nalini S. ^{[1
]}

机构：

[1] Seth GS Med Coll, Dept Endocrinol, Mumbai, Maharashtra, India

[2] Tata Mem Hosp, Bhabha Atom Res Ctr, Radiat Med Ctr, Bombay 400012, Maharashtra, India

来源：

CLINICAL NUCLEAR MEDICINE | 2015年 / 40卷 / 04期

关键词：

Ectopic ACTH syndrome; Ga-68 DOTANOC PET/CT; I-131-MIBG; retroperitoneal carcinoid; CUSHINGS-SYNDROME;

D O I：

10.1097/RLU.0000000000000687

中图分类号：

R8 [特种医学]; R445 [影像诊断学];

学科分类号：

1002 ; 100207 ; 1009 ;

摘要：

A 37-year-old woman with clinical and biochemical features of ectopic adrenocorticotropic hormone (ACTH) syndrome underwent Ga-68 DOTANOC PET/CT to localize the source of ectopic ACTH secretion. The images showed 35 x 45-mm retroperitoneal mass with significantly increased tracer uptake. Plasma-free metanephrines and serum chromogranin levels were normal. Whole-body I-131-MIBG scan including the retroperitoneal mass did not show any abnormal uptake. On excision, histopathology of this paravertebral abdominal mass revealed carcinoid tumor. We suggest the use of Ga-68 DOTANOC PET/CT as a first-line imaging modality for localization of source of ACTH secretion in ectopic ACTH syndrome.

引用

页码：364 / 367

页数：4

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