Supperiosteal abscess Definition Bone erosion, via osteitis or necrosis leads to a dehiscence into the postauricular soft tissue DiagnoSIs Fever, pain and otorrhea Followed by appearance of the postauricular mass, displacing the auricle anteriorly CT scanSupperiosteal abscess ◼ Definition: Bone erosion, via osteitis or necrosis, leads to a dehiscence into the postauricular soft tissue. ◼ Diagnosis ◼ Fever, pain and otorrhea ◼ Followed by appearance of the postauricular mass, displacing the auricle anteriorly ◼ CT scan