Sarcoidosis mimicking metastatic carinoid on indium-111 pentetreotide scintigraphy

Poyan Rafiei, Frederico Souza, Vani Vijayakumar

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Carcinoid is a neuroendocrine neoplasm derived from primitive stem cells, occurring most frequently in the alimentary tract. Somatostatin-receptor scintigraphy with indium-111 pentetreotide is a sensitive and noninvasive technique for imaging carcinoid and its metastatic spread. However, nontumoral lesions such as sarcoidosis may also express somatostatin receptors, which may present a diagnostic dilemma in some patients. We present a case of sarcoidosis mimicking metastatic carcinoid on indium-111 pentetreotide scintigraphy in a patient with a history of carcinoid and intra-abdominal metastasis.

Original languageEnglish (US)
Article number483
JournalRadiology Case Reports
Issue number1
StatePublished - 2011
Externally publishedYes


ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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