Date of Presentation:7/23/2024

Attending pathologist: Anil Parwani, MD, PhD, MBA

Presented by: Sonali Pitale, MD

Organ:Bladder

HISTORY:

Female in her 60’s

History of Gross Hematuria

History of wide excision of right shoulder nodular melanoma 7 years ago

A recent abdominal wall biopsy with similar histologic features

Bladder Cancer

Specimens received:

  1. Right lateral tumor of the bladder
  2. Tumor base of bladder

GROSS:

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
Microscopic image possibly detecting cancerous areas in human tissue

What is the most likely diagnosis?

  1. Melanosis of bladder
  2. Urothelial carcinoma
  3. Metastatic Melanoma
  4. Poorly differentiated Sarcoma
Metastatic Melanoma

CASE SUMMARY