A possible case of primary renal lymphoma: a case report
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Updated: Jun 19, 2026

Murine Bilateral Renal Lymphadenectomy
Published on: December 30, 2025
Germar-Michael Pinggera1, Reinhard Peschel, Alexander Buttazzoni
1Department of Urology and Radiology, Medical University Innsbruck Anichstrasse 35, Innsbruck, 6020 Austria. germar.pinggera@uki.at
Introduction:
The entity primary renal lymphoma is controversial and rare.
Case Presentation:
We report a case in a 60-year-old man. Computed tomography revealed a large, homogeneous, retroperitoneal mass with 14.8 x 11.5 cm size arising from the right kidney. An ultrasound guided percutaneous biopsy was performed and the tumour was diagnosed histopathological as non-Hodgkin lymphoma. The patient was treated by systemic chemotherapy and thereafter a nephrectomy was performed.
Conclusion:
Primary renal lymphoma is a controversial and infrequent disease. However, there is growing evidence that it does exist.
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