ArticleIDCases2026
Tuberculosis presenting with necrotic retroperitoneal lymphadenopathy in an immunocompetent patient: A case report and literature review.
Article in IDCases, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
5 authors.
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Abstract
Background: Extrapulmonary tuberculosis (EPTB) accounts for 15-20 % of TB, but necrotic retroperitoneal lymphadenopathy is exceptionally rare, particularly in immunocompetent hosts. Case presentation: A 32-year-old immunocompetent man from Peru presented with two weeks of severe abdominal pain and intermittent fever. CT revealed conglomerate necrotic retroperitoneal lymph nodes encasing the pancreatic head and major vessels. Image-guided biopsy showed necrotizing granulomas; acid-fast bacilli smear and GeneXpert MTB/RIF confirmed Literature review: A structured search identified seven additional immunocompetent adults with necrotic retroperitoneal lymphadenopathy. Abdominal pain predominated; CT consistently showed multiple necrotic nodes. Final diagnoses were tuberculosis (3/7), high-grade B-cell lymphoma (2/7), Kikuchi-Fujimoto disease (1/7), and metastatic esophageal carcinoma (1/7). All cases required tissue confirmation. Conclusions: Necrotic retroperitoneal lymphadenopathy is an uncommon manifestation of TB that can mimic malignancy. In patients from TB-endemic settings, TB should remain high in the differential when CT demonstrates necrotic retroperitoneal nodes. Early image-guided biopsy with mycobacterial testing is decisive. Drug-susceptible disease generally responds to standard six-month therapy, although extended treatment may be warranted for delayed radiologic response.
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