Whipple’s Disease Affecting Ileal Peyer’s Patches: The First Case Report

Whipple’s disease is a rare chronic systemic bacterial infectious disease which can affect multiple organs, with a wide clinical spectrum encompassing many symptoms presenting in various forms and combinations. In the cases where the gastrointestinal tract is implicated, the more frequent localizati...

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Main Authors: Sabah Sid’Amar, Giacomo Puppa
Format: Article
Language:English
Published: Wiley 2019-01-01
Series:Case Reports in Pathology
Online Access:http://dx.doi.org/10.1155/2019/1509745
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author Sabah Sid’Amar
Giacomo Puppa
author_facet Sabah Sid’Amar
Giacomo Puppa
author_sort Sabah Sid’Amar
collection DOAJ
description Whipple’s disease is a rare chronic systemic bacterial infectious disease which can affect multiple organs, with a wide clinical spectrum encompassing many symptoms presenting in various forms and combinations. In the cases where the gastrointestinal tract is implicated, the more frequent localizations involve the small bowel, especially the duodenum. A case of a 67-year-old man who underwent clinical investigation after presenting with a progressive weight loss and showing a hypercapting right paracoeliac adenopathy at PET-CT scan is reported herein. A gastroscopy and a colonoscopy were done. The biopsies of the endoscopically normal ileal mucosa encompassed some submucosal Peyer’s patches. Histological examination of this lymphoid tissue revealed several foamy macrophages which turned out positive on periodic acid-Schiff special staining. Polymerase chain reaction of the microdissected lymph follicles allowed for confirming Whipple’s disease diagnosis. A targeted antibiotic treatment administrated to the patient led to a rapid clinical improvement. This finding of a previously unreported localization of infected macrophages in Whipple’s disease suggests that sampling the organized mucosal-submucosal lymphoid tissue may increase the diagnostic yield in endoscopic biopsies.
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spelling doaj-art-9a8bcd9bee9e4ecaa1d24dc0e740e47a2025-08-20T02:20:16ZengWileyCase Reports in Pathology2090-67812090-679X2019-01-01201910.1155/2019/15097451509745Whipple’s Disease Affecting Ileal Peyer’s Patches: The First Case ReportSabah Sid’Amar0Giacomo Puppa1Department of Clinical Pathology, Promed SA, Medical Laboratory, Marly/Fribourg, SwitzerlandDepartment of Clinical Pathology, Geneva University Hospital, Geneva, SwitzerlandWhipple’s disease is a rare chronic systemic bacterial infectious disease which can affect multiple organs, with a wide clinical spectrum encompassing many symptoms presenting in various forms and combinations. In the cases where the gastrointestinal tract is implicated, the more frequent localizations involve the small bowel, especially the duodenum. A case of a 67-year-old man who underwent clinical investigation after presenting with a progressive weight loss and showing a hypercapting right paracoeliac adenopathy at PET-CT scan is reported herein. A gastroscopy and a colonoscopy were done. The biopsies of the endoscopically normal ileal mucosa encompassed some submucosal Peyer’s patches. Histological examination of this lymphoid tissue revealed several foamy macrophages which turned out positive on periodic acid-Schiff special staining. Polymerase chain reaction of the microdissected lymph follicles allowed for confirming Whipple’s disease diagnosis. A targeted antibiotic treatment administrated to the patient led to a rapid clinical improvement. This finding of a previously unreported localization of infected macrophages in Whipple’s disease suggests that sampling the organized mucosal-submucosal lymphoid tissue may increase the diagnostic yield in endoscopic biopsies.http://dx.doi.org/10.1155/2019/1509745
spellingShingle Sabah Sid’Amar
Giacomo Puppa
Whipple’s Disease Affecting Ileal Peyer’s Patches: The First Case Report
Case Reports in Pathology
title Whipple’s Disease Affecting Ileal Peyer’s Patches: The First Case Report
title_full Whipple’s Disease Affecting Ileal Peyer’s Patches: The First Case Report
title_fullStr Whipple’s Disease Affecting Ileal Peyer’s Patches: The First Case Report
title_full_unstemmed Whipple’s Disease Affecting Ileal Peyer’s Patches: The First Case Report
title_short Whipple’s Disease Affecting Ileal Peyer’s Patches: The First Case Report
title_sort whipple s disease affecting ileal peyer s patches the first case report
url http://dx.doi.org/10.1155/2019/1509745
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