ASM case reports · 2025
Histopathologic and molecular diagnosis of gastrointestinal tuberculosis in an immunocompetent patient: case report.
Клинический случайСтатьяНазвание и аннотация: Перевод в очереди
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Cherukuri Sashank, Huang Emily B, Totten Arthur H, Steinberg Jonathan, Ahmed Sunjida
Аннотация
BACKGROUND: Gastrointestinal tuberculosis (GI TB) is an extrapulmonary manifestation of infection with the bacterium Mycobacterium tuberculosis. While GI TB was once considered a rare entity, it has increasing prevalence with the use of immunosuppressive treatments. Diagnosis can be challenging as GI TB can be misdiagnosed as other primary etiologies.
CASE SUMMARY: Here, we present a case of GI TB in which the patient was immunocompetent and presented with nonspecific symptoms, and an interferon-gamma release assay, which was positive. Subsequent biopsies were performed of the ascending colon, all showing positivity on acid-fast bacilli (AFB, Ziehl-Neelsen) and Fite stains, along with non-caseating granulomas on histopathologic review.
CONCLUSION: In the presented case, the patient is immunocompetent. GI TB was diagnosed after histopathologic examination of colonic biopsies. This highlights the importance of having a high index of suspicion for unusual presentations of tuberculosis, especially in patients who come from endemic areas or who might have been exposed recently.
CASE SUMMARY: Here, we present a case of GI TB in which the patient was immunocompetent and presented with nonspecific symptoms, and an interferon-gamma release assay, which was positive. Subsequent biopsies were performed of the ascending colon, all showing positivity on acid-fast bacilli (AFB, Ziehl-Neelsen) and Fite stains, along with non-caseating granulomas on histopathologic review.
CONCLUSION: In the presented case, the patient is immunocompetent. GI TB was diagnosed after histopathologic examination of colonic biopsies. This highlights the importance of having a high index of suspicion for unusual presentations of tuberculosis, especially in patients who come from endemic areas or who might have been exposed recently.