Whipple's disease: Morphologic and immunofluorescence characterization of bacterial antigens

Belur Bhagavan, Gerald A. Hofkin, Barbara A. Cochran

Research output: Contribution to journalArticle

Abstract

The bacterial etiology of Whipple's disease is generally accepted. However, the exact identity of the "Whipple bug" has remained elusive. Indeed, the isolation of several types of bacteria from different patients with Whipple's disease has caused some to speculate that Whipple's disease may have polymicrobial etiology. Our light and electron microscopic studies document the presence of bacilliform organisms lying free in the lamina propria of the duodenal mucosa. Intact and partially degraded bacterial organisms were seen in the phagosomes of macrophages. Indirect immunofluoresence studies demonstrated the presence of multiple bacterial antigens in the lamina propria as well as the macrophage granules. This profile of antigens is similar to the profile demonstrated in four other patients in two previous studies. The occurrence of similar profiles of bacterial antigens in the tissues of different patients with Whipple's disease suggests a single microorganism in the etiology of Whipple's disease. Because of the overlapping features of muciphages and Whipple's cells in the rectal biopsy material, the suberiority and reliability of proximal small intestinal biopsy in preference to rectal biopsy are re-emphasized.

Original languageEnglish (US)
Pages (from-to)930-936
Number of pages7
JournalHuman Pathology
Volume12
Issue number10
DOIs
StatePublished - 1981
Externally publishedYes

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Whipple Disease
Bacterial Antigens
Fluorescent Antibody Technique
Mucous Membrane
Biopsy
Macrophages
Phagosomes
Electrons
Bacteria
Light
Antigens

ASJC Scopus subject areas

  • Pathology and Forensic Medicine

Cite this

Whipple's disease : Morphologic and immunofluorescence characterization of bacterial antigens. / Bhagavan, Belur; Hofkin, Gerald A.; Cochran, Barbara A.

In: Human Pathology, Vol. 12, No. 10, 1981, p. 930-936.

Research output: Contribution to journalArticle

Bhagavan, Belur ; Hofkin, Gerald A. ; Cochran, Barbara A. / Whipple's disease : Morphologic and immunofluorescence characterization of bacterial antigens. In: Human Pathology. 1981 ; Vol. 12, No. 10. pp. 930-936.
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