2024-11-0920230925-571010.1007/s12185-023-03534-w2-s2.0-85146041917http://dx.doi.org/10.1007/s12185-023-03534-whttps://hdl.handle.net/20.500.14288/12035Kidney involvement is rare in non-Hodgkin's lymphomas (NHL), and can be caused by direct lymphoid infiltration, paraneoplastic glomerulonephritis (GN), or both. Herein, we present a case of acute kidney injury (AKI) due to renal cyclin-D1 positive B cell lymphoma infiltration. To our knowledge, this is the first case where a renal biopsy revealed intravascular neoplastic cells along with parenchymal infiltration.HematologyJournal Article1865-3774911790400001Q43199