Warthin tumour of parotid
Palpable lump right parotid. Previously biopsied in 2008 - Warthin tumour. Patient elected not to have removed. Now increasing size.
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Well defined ovoid hypoechoic mass in the parotid. Usually a pleomorphic adenoma but in this case a Warthin tumour (adenolymphoma). Patient did not have surgery so this case shows the natural history ie very slow growing tumour prone to multifocality (including bilaterality but not in this case). A second lesion with similar imaging characteristics has developed in the same gland.