II. Epidemiology
- Most common in 40 to 50 year old women
III. Pathophysiology
- Neuroendocrine tumor arising from from glomus bodies
- Jugular bulb origin or
- Middle ear neural plexus
- Tympanic Membrane invasion follows Hearing Loss
- May involve Cranial Nerves
IV. Symptoms
- Pulsating Tinnitus
- Hearing Loss
V. Signs
- Dark blue, purple or red-blue mass behind TM
VI. Diagnosis
VII. Differential Diagnosis
- Anomalous Carotid Artery
- Anomalous jugular bulb
VIII. Management
- Do not biopsy (very vascular)
- Surgical excision