Abdominal mucinous cystic neoplasm in a male child

Jean J. Luo, Fabien K. Baksh, John D. Pfeifer, James T. Eastman, Frederick C. Beyer, Louis P. Dehner

Research output: Contribution to journalArticle

5 Scopus citations

Abstract

Mucinous cystic neoplasms (MCNs) make up a morphologic family of similar appearing tumors arising in the ovary and various extraovarian sites, including the pancreas, hepatobiliary tract, paratesticular soft tissues, and mesentery. Other than the uncommon mucinous cystadenoma of the ovary presenting in adolescence, MCNs are rarely seen by the pediatric pathologist. The present case is a 5-year-old boy with an abdominal mass appearing to arise in the mesentery of the small intestine. Because of its unresectability, a generous biopsy was performed and disclosed a MCN with focal complex papillary architecture in the absence of appreciable cytologic atypia or invasion into the wall. Like other MCNs, this tumor had an inhibin-positive, ovarian-like stroma that was nonreactive for estrogen and progesterone receptors. Only 1 other case of a mesenteric MCN has been reported to date in a child and none in a male. The MCN of the mesentery joins other, somewhat more common cystic lesions of the omentum and mesentery presenting in childhood.

Original languageEnglish
Pages (from-to)46-49
Number of pages4
JournalPediatric and Developmental Pathology
Volume11
Issue number1
DOIs
StatePublished - Jan 1 2008

Keywords

  • Cystadenoma
  • Inhibin
  • Mesentery
  • Mucinous

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