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Endoscopy 2005; 37(8): 788
DOI: 10.1055/s-2005-870300
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© Georg Thieme Verlag KG Stuttgart · New York

Atypical Mycobacterial Infection of the Rectum

D.  C.  Damin1 , M.  B.  Caetano1 , M.  A.  Rosito1 , C.  Tarta1 , P.  Contu1 , P.  Mancopes1 , L.  Meurer2
  • 1Department of Colorectal Surgery, Hospital de Clinicas de Porto Alegre, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
  • 2Department of Pathology, Hospital de Clinicas de Porto Alegre, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
Further Information

D. C. Damin, M.D.

Av. Nilo Peçanha 2110/902

91.330.002 Porto Alegre - RSBrazil

Fax: +55-51-33285168

Email: damin@terra.com.br

Publication History

Publication Date:
22 May 2006 (online)

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    Figure 1 A 31-year-old HIV-positive man presented with diarrhea and anal bleeding. Colonoscopy revealed multiple patchy erythematous lesions located in the rectum, along with linear erosions.

    Zoom Image

    Figure 2 Histopathological analysis of rectal biopsies demonstrated the presence of innumerable free and intracellular acid-fast bacilli (× 32). Mycobacterium other than tuberculosis was cultured from the rectal specimens, confirming the diagnosis of atypical mycobacterial rectitis. The patient was treated with a combination of antimycobacterial drugs, with complete resolution of his clinical and endoscopic manifestations.

    Endoscopy_UCTN_Code_CCL_1AD_2AZ

    D. C. Damin, M.D.

    Av. Nilo Peçanha 2110/902

    91.330.002 Porto Alegre - RSBrazil

    Fax: +55-51-33285168

    Email: damin@terra.com.br

    D. C. Damin, M.D.

    Av. Nilo Peçanha 2110/902

    91.330.002 Porto Alegre - RSBrazil

    Fax: +55-51-33285168

    Email: damin@terra.com.br

       Permissions and Reprints
    Zoom Image

    Figure 1 A 31-year-old HIV-positive man presented with diarrhea and anal bleeding. Colonoscopy revealed multiple patchy erythematous lesions located in the rectum, along with linear erosions.

    Zoom Image

    Figure 2 Histopathological analysis of rectal biopsies demonstrated the presence of innumerable free and intracellular acid-fast bacilli (× 32). Mycobacterium other than tuberculosis was cultured from the rectal specimens, confirming the diagnosis of atypical mycobacterial rectitis. The patient was treated with a combination of antimycobacterial drugs, with complete resolution of his clinical and endoscopic manifestations.