Microsporidium-Associated Sinusitis

Author:

Moss Ronald B.1,Beaudet Lisa M.2,Wenig Bruce M.3,Nelson Ann M.4,Firpo Adolfo4,Punja Usha2,Scott Thomas S.1,Kaliner Michael A.1

Affiliation:

1. Allergic Disease Section, Laboratory of Clinical Investigation, NIAID, NIH, Bethesda, Maryland.

2. Department of Pathology, Washington Hospital Center, Washington, D.C.

3. Department of Otolaryngic-Endocrine Pathology, Armed Forces Institute of Pathology, Washington, D.C.

4. Department of AIDS Registry, Armed Forces Institute of Pathology, Washington, D.C.

Abstract

Two cases of biopsy-proven Microsporidium-associated chronic sinusitis in HIV-seropositive patients are presented. Spores of Septata intestinalis were identified by light microscopy and confirmed by electron microscopy in each case. Both patients displayed severe deficiencies of nasal mucosa CD4-positive cells, demonstrated by immunohistochemical methods. Only two other cases of Septata intestinalis-associated sinusitis have been reported previously. Our observations agree with the theory that functional defects in local mucosal immunity may partially explain the acquisition of opportunistic mucosal infections in many HIV-seropositive patients.

Publisher

SAGE Publications

Subject

Otorhinolaryngology

Cited by 12 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Parasitic Infections;Murray and Nadel's Textbook of Respiratory Medicine;2016

2. Microsporidiosis in Humans;Human Emerging and Re‐emerging Infections;2015-11-20

3. Microsporidiosis;Mandell, Douglas, and Bennett's Principles and Practice of Infectious Diseases;2015

4. Clinical Syndromes Associated with Microsporidiosis;Microsporidia;2014-08-01

5. Inflammatory Diseases of the Sinonasal Cavities;Head and Neck Imaging;2011

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