患者,男,73岁。因左耳廓“长角”3年入院。3年前左耳廓中段有小指头大小角状物长出,逐渐长大,稍有痒感及痛感,当长至1.5cm大小时用小绳子将其勒断。当时出血较多。但约2个月后又长大,未治疗。检查:左耳廓耳甲腔处有如山羊角样新生物,长6cm,呈圆椎形。基底部直径约2cm,灰黑色, Patient, male, 73 years old. Due to left auricle “long” 3 years admission. 3 years ago, the middle of the left auricle with small finger-shaped horn grows, gradually grow up, a little itchy and pain, when the length of 1.5cm size with a small rope will be cut off. More bleeding at the time. But after about 2 months and grew up, untreated. Check: the left ear contour cavum cavity like a goat hornlike new creature, 6cm long, was a circular cone. Base diameter of about 2cm, gray-black,