Resection of benign tumor of external auditory canal

Curing disease: Indication Benign neoplasms of the external auditory canal, no contraindications for systemic surgery. Surgical procedure 1. Incision: The ear canal incision is extended upward by 1 and 5 cm between the tragus and the wheel of the ear to enlarge the external auditory canal. 2, remove the tumor to see the extent of the tumor, make an incision on the normal side of the skin, together with the base part and separate removal. If it is an exostose, it can be cut along the outer edge of the epiphysis in the normal skin on the outside, deep into the bone surface, and the pedicle of the flap is inside the epiphysis, and the skin and periosteum are separated and turned up to remove the epiphysis. Or use a power drill to remove the substrate. 3, to expand the external auditory canal to avoid narrowing of the external auditory canal after tumor resection, often remove some of the bone wall to expand the external auditory canal, preferably with electric drill, or osteotome. 4, repair the external auditory canal skin defect If the skin defect after the removal of the skin can be repaired with a split skin, the split skin can be taken from the skin behind the ear, such as skin defects, the inner skin of the thigh can be used, cut with a roller knife, skin The size of the piece should be completely covered with the wound surface. For example, the wall of the external auditory canal has a wound surface. The skin piece can be sewed into a cylindrical shape and then implanted, and then the external auditory canal is filled with iodoform gauze; if there is no skin defect after excision of the exoskeleton There is no need to plant skin, only the outer ear canal gauze is stuffed.