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A case report shows improved kidney function after treating mantle cell lymphoma presenting as glomerulonephritis.
Kidney involvement in mantle cell lymphoma is rare. We report a case of mantle cell lymphoma diagnosed after rapidly progressive glomerulonephritis with biopsy-proven paraneoplastic anti-neutrophil cytoplasmic antibody positive pauci-immune cresentic glomerulonephritis. Lymphoma treatment resulted in improved kidney function. This report demonstrates that pauci-immune cresentic glomerulonephritis can cause kidney impairment as the initial manifestation of mantle cell lymphoma. Physicians should be aware of the atypical presentations of the disease.
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Kumru et al. (2026) studied this question.
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