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Updated: Jan 19, 2026
A Practical Guide for the Production and PET/CT Imaging of 68Ga-DOTATATE for Neuroendocrine Tumors in Daily Clinical Practice
Published on: April 17, 2019
68Ga-DOTATATE PET/CT of Ectopic Cushing Syndrome Due to Appendicular Carcinoid
Chakra Diwaker1, Ravi Kumar Shah, Virendra Patil
1From the Department of Endocrinology, Seth GS Medical College, Parel, Mumbai, India.
Abstract:
Approximately 5% to 15% cases of endogenous Cushing syndrome are due to ectopic adrenocorticotrophic hormone (ACTH)-producing neuroendocrine tumors, which are commonly located in bronchopulmonary system, thymus, and gastrointestinal tract including pancreas. Although carcinoid tumors of the appendix are revealed in 0.3% of patients undergoing routine appendectomy, ACTH-secreting appendicular carcinoid is a rare entity. We present a case of a 22-year-old woman with ectopic ACTH-dependent Cushing syndrome due to an appendicular carcinoid, which was localized with the help of Ga-DOTATATE PET/CT scan.
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