徐某,男,53岁,泰安市郊区黄前镇人。因双耳廓变硬,睡眠压迫后疼痛不适6年就诊。患者长年生活在水库船上,双耳廓每年冬季发生冻伤已有10余年的病史,否认耳廓外伤史。检查:发育正常;双耳廓皮肤颜色稍暗,耳轮及耳舟部有散在色素沉着;双耳廓大小、形态、厚度正常。右耳轮,耳舟部和对耳轮上2/3及三角窝,耳甲艇触之硬如板;皮肤感觉正常。左耳廓硬变范围稍小。无肚端肥大症体征。耳廓X线照 Xu, male, 53 years old, Taian suburbs Huang Qianzhen people. Hardened ears, pain after sleep pressure six years of treatment. Patients living in the reservoir for many years the ship, double ear each winter frostbite has more than 10 years of history, denied the history of auricle trauma. Check: normal development; double-auricle skin color slightly darker, ears and ear Department have scattered pigmentation; double-auricle size, shape, thickness normal. The right ear, the ear and the ear on the ear wheel 2/3 and the triangular socket, ear shell boat touch as hard as the plate; the skin feels normal. Left auricle hardening range slightly smaller. Hyperthyroidism no symptoms. Auricle X-ray photo