Intra-abdominal desmoid tumor mimicking gastric cancer recurrence: A case report

Akihiko Okamura, Tsunehiro Takahashi, Yoshiro Saikawa, Shuhei Mayanagi, Kazumasa Fukuda, Rieko Nakamura, Norihito Wada, Hirofumi Kawakubo, Tai Omori, Hiroya Takeuchi, Aya Sasaki, Yuko Kitagawa

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Intra-abdominal desmoid tumors are rare and most often occur in patients with a history of familial adenomatous polyposis, surgery, or pregnancy. We report a case of an intra-abdominal desmoid tumor mimicking the recurrence of gastric cancer. A 57-year-old male had undergone distal gastrectomy for advanced gastric cancer. Serum levels of carcinoembryonic antigen were found to be elevated 27 months after surgery. Computed tomography revealed a 15-mm mass in the mesentery of the transverse colon. In addition, radiotracer fluorodeoxyglucose uptake of the tumor was detected by positron emission tomography. The patient was diagnosed with gastric cancer recurrence, and chemotherapy consisting of cisplatin and S-1 was commenced. After five courses of chemotherapy, although no significant clinical response was seen, no new lesions were seen either. Thus, a curative resection of the recurrent tumor seemed possible, which was successfully performed. Histological examination of the resected specimen revealed spindle-shaped tumor cells with collagen fiber progression; no cancer cells were detected. The tumor was diagnosed as an intra-abdominal desmoid tumor. We report a rare case of an intra-abdominal desmoid tumor that mimicked a recurrent tumor arising from gastric cancer. In patients with history of surgery for intra-abdominal malignancies, it may be difficult to distinguish the recurrence of malignancy from desmoid tumors but the possibility of desmoid tumors must be considered in the differential diagnosis.

Original languageEnglish
Article number146
JournalWorld Journal of Surgical Oncology
Volume12
Issue number1
DOIs
Publication statusPublished - 2014 May 10

Keywords

  • Desmoid tumor
  • Gastric cancer
  • Recurrence
  • Surgery

ASJC Scopus subject areas

  • Surgery
  • Oncology

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