Differential diagnosis of pulsatile tinnitus

Hyperthyroidism

Anemia

Pregnancy

Acute otitis media

Otosclerosis

Paget disease

Cholesteatoma

Tympanic paraganglioma

Jugular paraganglioma

Hemangioma

Stenosis of ICA

Fibromuscular dysplasia of vertebral artery

Arteriovenous fistulas

Aneurysms

Arterial ectasias

Aberrant ICA

Persistant stapedial artery

Anomalies of jugular

Bulb and other venous malformations of the temporal bone (eg, large emissary veins)

Benign intracranial hypertension

Intracranial tumor