Kuwabara G, Yamada K, Tanaka K, Nozuchi S, Imoto W, Shibata W, Tohda M, Kyoh S, Itoh Y, Hashimoto M, Kakeya H. Muscle Biopsy-proven Drug-induced Microscopic Polyangiitis in a Patient with Tuberculosis.
Intern Med 2023;
62:129-133. [PMID:
35650134 PMCID:
PMC9876704 DOI:
10.2169/internalmedicine.9599-22]
[Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
We herein report a case of muscle biopsy-proven microscopic polyangiitis (MPA) in a patient with tuberculosis. The patient had developed a persistent fever after the initiation of treatment for tuberculosis and was positive for myeloperoxidase-antineutrophil cytoplasmic antibody (ANCA). However, because conventional symptoms were lacking, determination of the biopsy site was difficult. Based on the findings of a biopsy of the biceps femoris, which confirmed small vessel vasculitis, the patient was diagnosed with MPA. The fever was alleviated by glucocorticoids. Tuberculosis and antituberculosis drugs can cause ANCA-associated vasculitis (AAV). A muscle biopsy is useful for the diagnosis of AAV.
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