Cutaneous Metastasis from Renal Cell Carcinoma: A Case Report.

ABSTRACT:

Introduction

Cutaneous metastases from renal cell carcinoma (RCC) are an uncommon and poorly understood clinical phenomenon that frequently predicts a poor prognosis.

Case presentation

A 69-year-old male with a history of type 2 diabetes and benign prostatic hyperplasia was diagnosed with stage 4 RCC and various cutaneous lesions. A dermatological checkup during his hospitalization revealed asymptomatic subcutaneous nodules and purpuric areas. Biopsy and immunohistochemistry (IHC) staining confirmed the presence of cutaneous metastatic carcinoma, which is consistent with renal cell origin. The immunohistochemistry profile was positive for pancytokeratin, CD10, and vimentin but negative for PAX8, indicating a distinct appearance in RCC patients.

Conclusions

This case e

SUBMITTER: Brashi R 

PROVIDER: S-EPMC12659668 | biostudies-literature | 2025 Jan-Dec

REPOSITORIES: biostudies-literature