Date of Presentation:3/01/2017

Attending pathologist: Ming Jin, MD, PhD

Presented by: Ming Jin, MD, PhD

Prepared by: Ashly Cordero, MD

Organ:Left mastoid


The patient is a 54 year old male with left sided mastoiditis, hearing loss, otorrhea and partial facial paralysis.

A left tympanoplasty and mastoidectomy was performed.

What is the most likely diagnosis?

  1. Paraganglioma
  2. Ceruminous adenoma
  3. Metastatic adenocarcinoma
  4. Middle ear adenoma
  5. Meningioma
Middle ear adenoma