Disseminated Tuberculosis Mimicking Metastatic Cancer During Ruxolitinib Therapy for Polycythemia Vera: A Case Report and Literature Review

Yuga Ono; Koji Oka; Kenichi Ishikawa; Hisaharu Shikata; Masahiko Kaneko

doi:10.12659/AJCR.952683

18 June 2026 : Case report Japan

Disseminated Tuberculosis Mimicking Metastatic Cancer During Ruxolitinib Therapy for Polycythemia Vera: A Case Report and Literature Review

Mistake in diagnosis, Rare disease

Yuga Ono^{BCDEF 1*}, Koji Oka

^{D 2}, Kenichi Ishikawa^{D 3}, Hisaharu Shikata^{D 2}, Masahiko Kaneko^{D 2}

DOI: 10.12659/AJCR.952683

Am J Case Rep 2026; 27:e952683

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Figure 4 Bone biopsy. (A) Megakaryocytic hyperplasia with atypia is observed; however, no morphologic features suggestive of malignancy are identified (×40, hematoxylin and eosin [H&E] staining). (B) Ziehl-Neelsen staining demonstrates numerous acid-fast bacilli (×40).

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Disseminated Tuberculosis Mimicking Metastatic Cancer During Ruxolitinib Therapy for Polycythemia Vera: A Case Report and Literature Review

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