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Tuberculous anal ulcer
Diseases of the Colon and Rectum
|January 1, 1980
Summary
Anorectal tuberculosis can occur without lung infection. A biopsy of slow-healing anal fissures can diagnose this condition, which is effectively treated with chemotherapy.
Area of Science:
- Gastroenterology
- Infectious Diseases
- Microbiology
Background:
- Anorectal tuberculosis is a rare manifestation of Mycobacterium tuberculosis infection.
- It often presents without evidence of active pulmonary tuberculosis, making diagnosis challenging.
Observation:
- Two cases of anorectal tuberculosis are presented in patients lacking prior or concurrent pulmonary tuberculosis.
- One patient presented with an anal fissure in an atypical location that was slow to heal.
Findings:
- Histopathological examination, including acid-fast bacilli staining and mycobacterial cultures, is crucial for diagnosing anorectal tuberculosis.
- Ulcerative perianal tuberculosis demonstrated a significant positive response to standard antitubercular chemotherapy.
Implications:
- Clinicians should consider anorectal tuberculosis in the differential diagnosis of persistent, non-healing anal fissures, especially in endemic areas.
- Prompt diagnosis and appropriate chemotherapy are essential for successful management and preventing complications of ulcerative perianal tuberculosis.