Korean J Gastrointest Endosc.  2008 Jun;36(6):371-375.

A Case of a False Positive FDG-PET/CT Scan in Esophageal Leiomyoma

Affiliations
  • 1Department of Internal Medicine, Eulji University College of Medicine, Seoul, Korea. shkim@eulji.ac.kr
  • 2Department of Surgery, Eulji University College of Medicine, Seoul, Korea.

Abstract

Esophageal leiomyoma is relatively rare disease, but can appears with a high uptake of fluorodeoxuglucose (FDG), a false-positive finding on a FDG PET/CT scan. A 64- year-old woman after a total thyroidectomy due to papillary and follicular carcinoma showed a high uptake of FDG in the distal esophagus on a subsequent FDG PET/ CT scan. The presence of an esophageal leiomyoma was suspicious from preoperative findings of endoscopic ultrasound and computed tomography, and an esophagectomy and proximal gastrectomy were performed, as the presence of a malignant lesion could not be excluded. As high uptake of FDG in the lesion on an FDG PET/CT scan corresponds to an esophageal cancer, an esophagectomy and proximal gastrectomy were performed and the lesion was confirmed as an esophageal leiomyoma after surgical biopsies. We report this case with a review of the relevant literature.

Keyword

Esophageal leiomyoma; PET/CT
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