Extranodal Rosai-Dorfman disease associated with increased numbers of immunoglobulin G4 plasma cells involving the colon: Case report with literature review

Daniel B. Wimmer, Jae Y. Ro, Annisa Lewis, Mary R. Schwartz, Richard Caplan, Peter Schwarz, Alberto G. Ayala

Research output: Contribution to journalReview articlepeer-review

25 Scopus citations

Abstract

A 49-year-old woman presented with fever, weight loss, night sweats, hematochezia, and acid reflux symptoms. Two large, firm cecal lesions were seen at colonoscopy, but multiple biopsies were inconclusive. The patient underwent a right hemicolectomy for a clinical diagnosis of colon cancer. Noncaseating granulomatous inflammation with background lymphocytes, plasma cells, and histiocytes exhibiting emperipolesis were identified. With these histologic features and immunoreactivity for S-100 protein and CD68, a diagnosis of Rosai-Dorfman disease was rendered. Other areas had storiform fibrosis admixed with numerous immunoglobulin G4 (IgG4)-positive plasma cells. Although a few preliminary reports have noted an increased number of IgG4-positive plasma cells in Rosai-Dorfman disease, the relationship between these 2 conditions is unclear. To our knowledge, this is the first case report of a possible association of colonic Rosai-Dorfman disease with an increased number of IgG4-positive plasma cells. Reviews of colonic Rosai-Dorfman disease and IgG4-related sclerosis are presented to heighten awareness of this rare presentation.

Original languageEnglish (US)
Pages (from-to)999-1004
Number of pages6
JournalArchives of Pathology and Laboratory Medicine
Volume137
Issue number7
DOIs
StatePublished - Jul 2013

ASJC Scopus subject areas

  • Pathology and Forensic Medicine
  • Medical Laboratory Technology

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