Nucl Med Mol Imaging.  2021 Dec;55(6):315-319. 10.1007/s13139-021-00717-3.

A Case of Glomus Tumor Mimicking Neuroendocrine Tumor on  68  Ga-DOTATOC PET/CT

Affiliations
  • 1Department of Nuclear Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88, Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Republic of Korea
  • 2Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
  • 3Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
  • 4Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea

Abstract

68 Ga-DOTA-peptide PET/CT is a valuable tool for diagnosing neuroendocrine tumors (NET). Various tumors and normal human tissue express the somatostatin receptor (SSTR), warranting attention to positive findings on 68  Ga-DOTA-peptide PET/CT. However, overexpression of SSTR in glomus tumors has not yet been reported. Gastric glomus tumors show many similar features of NET and are often misdiagnosed. We present the case of a 61-year-old male with a glomus tumor who underwent distal gastrectomy under the pretense of an NET grade 1 because the nodule showed focal intense uptake on preoperative 68  Ga-DOTATOC PET/CT.

Keyword

PET/CT; 68 Ga-DOTATOC; Glomus tumor; Neuroendocrine tumor ; Somatostatin receptor
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