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Ann Nucl Med. 2013 Oct;27(8):781-5. doi: 10.1007/s12149-013-0738-0. Epub 2013 Jun 12.

Oncocytic carcinoid tumor of the lung with intense F-18 fluorodeoxyglucose (FDG) uptake in positron emission tomography-computed tomography (PET/CT).

Author information

  • 1Department of Diagnostic Radiology, National Hospital Organization, Shikoku Cancer Center, Kou-160 Minamiumemoto-machi, Matsuyama, Ehime, 791-0280, Japan, yuki.tanabe.0225@gmail.com.

Abstract

The present report describes a case of typical carcinoid tumor with intense fluorodeoxyglucose (FDG) uptake. The most of tumor cells were characterized by eosinophilic cytoplasm resulting from accumulation of mitochondria, which was called an oncocytic carcinoid tumor. Glucose transporter type 1 (GLUT-1) was expressed in a membranous pattern in the oncocytic component. Oncocytic carcinoid tumors could show intense FDG uptake due to the numerous intracellular mitochondria and the membranous overexpression of GLUT-1. Thus, it could be a potential pitfall of interpreting FDG-PET/CT image.

PMID:
23757317
[PubMed - indexed for MEDLINE]
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