Date of Presentation:2/01/2017

Attending pathologist: Ming Jin, MD, PhD

Presented by: Sophia Shaddy, MD

Prepared by: Sophia Shaddy, MD

Organ:Pleural fluid


The patient is a 67 year old female with a remote history of invasive ductal breast carcinoma. She presents to her PCP with upper respiratory symptoms. Chest x-ray shows a left pleural effusion.

CDKN2A (9p21) FISH is positive for deletion

What is the diagnosis?

  1. Malignant mesothelioma
  2. Metastatic ductal breast carcinoma
  3. Reactive mesothelial cells
  4. Metastatic lung adenocarcinoma
  5. Metastatic urothelial carcinoma
Malignant mesothelioma