A case of gastric plexiform fibromyxoma: Radiological and pathological findings

Katsumi Sakamoto, Masakazu Hirakawa, Kazushige Atsumi, Koshi Mimori, Kohei Shibata, Taro Tobo, Hidetaka Yamamoto, Hiroshi Honda

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Plexiform fibromyxoma is a relatively new pathological category that consists of a rare group of non-gastrointestinal stromal tumors with a peculiar plexiform growth pattern. We report a case of gastric plexiform fibromyxoma in a 60-year-old man. Gastroscopic examination revealed a gastric submucosal tumor in the antrum. Magnetic resonance imaging (MRI) showed a nodule with distinct signal hyperintensity on T2-weighted images, with strong enhancement peripherally in the early phase to the entire lesion in the delayed phase. Endoscopic ultrasound-guided fine-needle aspiration cytology was performed, and the cytological diagnosis was spindle cell tumor, so partial gastrectomy was performed under a preoperative diagnosis of GIST. The resected tumor demonstrated plexiform architecture, myxoid stroma, prominent vasculature, and spindle cells, reflecting the characteristic findings on MRI. This is the first report to describe radiological findings for gastric plexiform fibromyxoma.

Original languageEnglish
Pages (from-to)431-436
Number of pages6
JournalJapanese Journal of Radiology
Volume32
Issue number7
DOIs
Publication statusPublished - Jul 2014

All Science Journal Classification (ASJC) codes

  • Radiology Nuclear Medicine and imaging

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