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Related Concept Videos

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Updated: Jun 12, 2025

Comparing Metastatic Clear Cell Renal Cell Carcinoma Model Established in Mouse Kidney and on Chicken Chorioallantoic Membrane
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[Histomorphologically defined renal cell carcinomas 2025 : Current WHO classification and emerging future subtypes].

C Stöhr1,2,3, A Fiegl1,2,3, C Bercebal1,2,3

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Summary
This summary is machine-generated.

The 2022 WHO classification updates urinary and male genital tumor diagnoses. Key changes include revised papillary renal cell carcinoma subtypes and recognizing clear cell papillary tumors as benign.

Keywords:
AdenomaHuman TFE3 proteinImmunohistochemistryUrogenital neoplasmsUropathology

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Area of Science:

  • Uropathology
  • Oncology
  • Histopathology

Context:

  • The World Health Organization (WHO) released the 2022 classification of urinary and male genital tumors, incorporating recent scientific advancements.
  • This classification is crucial for standardizing tumor diagnosis and treatment globally.

Purpose:

  • To summarize the key updates and revised recommendations for histomorphologically defined tumors in the 2022 WHO classification.
  • To highlight significant changes in the categorization of specific tumor types, particularly renal cell carcinomas.

Summary:

  • The 2022 WHO classification has revised the categorization of papillary renal cell carcinoma, moving away from previous subtype classifications.
  • Clear cell papillary tumors are now recognized as benign, no longer classified as carcinomas.
  • Several novel renal tumors have been introduced in the latest edition.

Impact:

  • These updates facilitate more accurate diagnoses and consistent reporting of urinary and male genital tumors.
  • The revised classification aids in clinical decision-making and prognostic assessments.
  • Standardized classification promotes better understanding and research in uropathology and oncology.