Saturday 2 June 2007

Tornwaldt's cyst

General features:
Occur in 3% of adults

Embryology:
Persistence of the embryologic pharyngeal bursa

Clinical features:
Usually asymptomatic
Incidentally diagnosed on MR

References:
Miller M, Rao V, Tom B. Cystic masses of the head and neck: pitfalls in CT and MR interpretation. AJR 1992; 159:601-607