Date of Presentation:5/20/2025

Attending pathologist: Anil Parwani, MD, PhD, MBA

Presented by: Dr Krutika Mishra

Organ:Kidney

HISTORY:

A female in her 40s presents with an incidental renal mass.

The mass measures 3.1 cm.

Surgical excision was performed.

GROSS:

3.5 cm solid mass that appears to be on the external surface of the kidney.

Microscopic image possibly detecting cancerous areas in human tissue
Microscopic image possibly detecting cancerous areas in human tissue
Microscopic image possibly detecting cancerous areas in human tissue
Microscopic image possibly detecting cancerous areas in human tissue
Microscopic image possibly detecting cancerous areas in human tissue

What is the most likely diagnosis?

  1. Renal cell carcinoma
  2. Angiomyolipoma
  3. Myelolipoma
  4. Sarcomatoid carcinoma
Sarcomatoid carcinoma