Renal involvement in solid cancers: epidemiological, clinical and histological characteristics study of 154

Victor Gueutin1,2, Aurore Cardineau3, Alexis Mathian4

  • 1Service de néphrologie-dialyse-transplantation CHU de CAEN, Côte de Nacre, Caen, France. gueutin-v@chu-caen.fr.

BMC Nephrology
|October 19, 2024
PubMed
Abstract

Insights

Cancer patients often experience kidney damage from treatments. Kidney biopsies reveal common chronic lesions and drug toxicity, highlighting the need for specialized onconephrology care.

Area of Science:

  • Oncology
  • Nephrology
  • Pathology

Background:

  • Onconephrology addresses cancer and kidney disease management.
  • Accurate kidney histology is crucial but often lacking.
  • Anatomopathological data are vital for complex patient care.

Purpose of the Study:

  • To analyze clinicobiological and histological data from kidney biopsies in cancer patients.
  • To identify common kidney pathologies and etiological diagnoses in onconephrology.

Main Methods:

  • Retrospective analysis of 154 patients with active cancer undergoing kidney biopsy (KB) between 2014-2020.
  • Evaluation of clinicobiological and histological findings.

Main Results:

  • Common findings include proteinuria (72%), acute kidney injury (61%), and hypertension (38%).
  • Histology showed high rates of interstitial fibrosis (74%) and tubular atrophy (55%).
  • Nephrotoxicity from anticancer drugs was the primary cause (56%), with immunotherapy and anti-VEGF agents frequently implicated.

Conclusions:

  • Kidney toxicity of cancer treatments is the leading cause of kidney disease in onconephrology.
  • Multiple underlying mechanisms and associated diagnoses complicate kidney damage management.
  • Chronic histological lesions are prevalent, emphasizing the importance of kidney biopsy.

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