Spindle cell lipoma of the jejunal mesentery

Ryuji Okubo, Takuro Kazama, Masaki Nio

Research output: Contribution to journalArticle

Abstract

3-year-old girl with diarrhea was found to have an abdominal mass when she visited a hospital. The mass had a smooth margin and clear boundary, with an irregular internal echogenicity, showing patches and streaks. The mass showed low signal intensity on T1-weighted images and high signal intensity on T2-weighted images, and the images were disturbed by the fat component inside the mass. The origin of the tumor was the mesentery. The tumor had a wide base and was contiguous with the small intestine. The tumor, including one side of the mesentery, was resected while the intestinal tract was kept intact. Fibroblast-like spindle cells were arranged in characteristic parallel arrays, with highly variable amounts of mature adipocytes in a background of collagen bundles, myxoid stroma. On immunohistochemical analysis, the spindle cells were strongly positive for CD34 but were negative for S100. Spindle cell lipoma (SCL) is a benign soft tumor, and distinguishing SCLs from liposarcomas is sometimes difficult. SCLs commonly occur in the posterior cervical region and shoulders of old and middle-aged men. Only three cases of SCLs in children have been reported.

Original languageEnglish
Article number101490
JournalJournal of Pediatric Surgery Case Reports
Volume59
DOIs
Publication statusPublished - 2020 Aug

Keywords

  • Jejunal mesentery
  • Pediatric
  • Spindle cell lipoma

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Surgery

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