Date of Presentation:5/26/2017

Attending pathologist: Anil Parwani, MD, PhD, MBA

Presented by: Anil Parwani, MD, PhD, MBA

Prepared by: Aaron Victor, PhD



The patient is a 54 year old male with no significant past medical history who presented with acute appendicitis.

During the work up, he was found to have a 1.5cm mixed solid cystic left renal mass by imaging and underwent a left partial nephrectomy.

What is the most likely diagnosis?

  1. Mixed epithelial and stromal tumor
  2. Angiomyolipoma with epithelial cysts
  3. Cystic nephroma
  4. Multilocular cystic renal neoplasm of low malignant potential
  5. Metastatic endometrial cancer
Angiomyolipoma with epithelial cysts