BACKGROUND: @entity2698 ( @entity2698 ) are soft tissue @entity5 with histological variability and unpredictable clinical and biological behavior. @entity2698 in the head and neck are uncommon, the growth pattern is nonspecific; thus, diagnosis is often made by exclusion. METHODS: A 43-year-old @entity1 complained of a short history of right ear @entity158 associated with a growing mass in the right external auditory canal. Subsequent @entity393 in the right ear brought the @entity1 to undergo a CT scan and an MRI. The relevant literature was also reviewed. RESULTS: The imaging revealed a @entity5 arising from the floor of the right external auditory canal. The @entity5 was removed with the diagnosis of @entity4306 . CONCLUSION: The literature reports few cases of @entity4306 of the external auditory canal. Their rarity in this area leads to difficulties in diagnosis. Morphology is not predictive of their behavior, so close follow-up is mandatory for their correct management.    2015 Wiley Periodicals, Inc. Head Neck 38: E108-E110, 2016.

XXXX arising from the cartilage of the external auditory canal.

@entity1 :: ('9606', 'Species') :: ['patient', 'man'] @entity2698 :: ('MESH:D006393', 'Disease') :: ['HPCs', 'Hemangiopericytomas'] @entity5 :: ('MESH:D009369', 'Disease') :: ['neoplasm', 'tumors'] @entity4306 :: ('MESH:C537262', 'Disease') :: ['HPC'] @entity158 :: ('MESH:D010146', 'Disease') :: ['pain'] @entity393 :: ('MESH:D034381', 'Disease') :: ['hearing loss']
@entity2698 :: (MESH:D006393,Disease) :: ['Hemangiopericytoma']
