A Large Renal Mass: Dilemmas With Unusual Features on Imaging

Subodh K Regmi, Christopher J. Weight

Research output: Contribution to journalArticlepeer-review


A 50-year-old man presented with palpable abdominal mass which on CT revealed a large tumor replacing the entire right kidney, filling the right hemi-abdomen and travelling down the ureter into the bladder with retroperitoneal lymphadenopathy. Urine cytology and metastatic workup were negative. Ultrasound guided renal biopsy revealed diffuse large B cell lymphoma (DLBCL) and the patient was started on combination chemotherapy. Primary urinary tract lymphomas comprise <1% of all renal tumors and primary urinary tract DLBCL lymphomas carry a worse prognosis than nodal DLBCL. Biopsy of very large renal masses without distant metastasis or hematuria may significantly change management.

Original languageEnglish (US)
Pages (from-to)e4-e5
StatePublished - May 2020

PubMed: MeSH publication types

  • Journal Article


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