Cylindromas are @entity1489 that usually occur in the head and neck area. This article reports a case of benign cylindroma arising in the external auditory canal. A 75-year-old @entity1 presented with a 3-month history of right aural fullness; no other symptoms were reported. Ear microscopy examination revealed a skin mass on the floor of the external ear canal.  - CT scan of the skull showed a well-circumscribed soft tissue mass, with no signs of underlying @entity79 . Tumour resection through an endaural approach was performed. Histological examination revealed a benign cylindroma with margins free of @entity5 , so that no further treatment was necessary. 8   months after surgery the @entity1 is asymptomatic with normal findings in the ear microscopy examination. @entity2347 has a high recurrence rate and can undergo malignant transformation. Therefore, complete surgical removal and close follow-up are of great importance.

XXXX : a rare differential diagnosis of @entity5 .

@entity1 :: ('9606', 'Species') :: ['patient', 'man'] @entity5 :: ('MESH:D009369', 'Disease') :: ['tumour'] @entity1489 :: ('MESH:D012878', 'Disease') :: ['rare adnexal skin tumours'] @entity2347 :: ('MESH:D003528', 'Disease') :: ['Benign cylindroma'] @entity79 :: ('MESH:D001847', 'Disease') :: ['cortical bone erosion']
@entity2347 :: (MESH:D003528,Disease) :: ['Benign cylindroma']
