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Related Experiment Video

Updated: Jul 6, 2026

Technical Aspects of the Mouse Aortocaval Fistula

Technical Aspects of the Mouse Aortocaval Fistula

Published on: July 11, 2013

[No ordinary anal fistula...].

M Gierthmühlen¹, G Laiffer, C T Viehl

¹Medizinische Klinik, Universitätsspital, Petersgraben 4, 4031, Basel, Switzerland.

|March 6, 2008

Summary

Tuberculosis can manifest in the colon, mimicking Crohn's disease. Early diagnosis of tuberculous proctitis is vital to prevent severe complications, especially if immunosuppressive therapy is considered.

Related Experiment Videos

Last Updated: Jul 6, 2026

Technical Aspects of the Mouse Aortocaval Fistula

Technical Aspects of the Mouse Aortocaval Fistula

Published on: July 11, 2013

Area of Science:

Gastroenterology
Infectious Diseases
Pathology

Background:

Extrapulmonary tuberculosis presents diagnostic challenges.
Chronic gastrointestinal symptoms can mask underlying infections.

Observation:

A 63-year-old male presented with chronic diarrhea, anal discharge, fistula, and ulceration.
Initial investigations suggested Crohn's Disease.

Findings:

Histology and M. tuberculosis cultures confirmed tuberculous proctitis with perianal disease.
The patient had a history of tuberculosis 56 years prior.

Implications:

Accurate diagnosis of tuberculous proctitis is essential for appropriate treatment.
Misdiagnosis and subsequent immunosuppression can worsen tuberculosis outcomes.