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Multifocal Small Bowel Carcinoid

Evaluation by 68Ga-DOTATATE PET

Clark, Michael MD; Nathan, Mark MD; Broski, Stephen M. MD

doi: 10.1097/RLU.0000000000002487
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Carcinoid is a subtype of neuroendocrine tumor, a rare group of tumors that are known to express somatostatin receptor 2. 68Ga-DOTATATE is a somatostatin analog that is specific for somatostatin receptor 2 and therefore allows visualization of neuroendocrine tumors. We present 2 cases of primary multifocal small bowel carcinoid evaluated using 68Ga-DOTATATE PET/CT, along with contrast-enhanced CT corollary findings. Given the increased sensitivity of 68Ga-DOTATATE PET/CT compared with CT and 111In-octreotide scintigraphy, we expect multifocal carcinoid to become increasingly recognized.

From the Department of Radiology, Division of Nuclear Medicine, Mayo Clinic, Rochester, MN.

Received for publication November 21, 2018; revision accepted December 26, 2018.

Conflicts of interest and sources of funding: none declared.

Correspondence to: Stephen M. Broski, MD, Department of Radiology, Division of Nuclear Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN 55905. E-mail:

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