[Mature teratoma of the auricle in children: a case report].

The patient, female, 4 months and 8 days years old, was admitted to the hospital due to the left auricle mass. When the child was born, the parent found that there was a soybean-sized mass in the left auricle, without special treatment, and then gradually increased. Examination: A 5 cm×4 cm size tumor was visible above the left auricle. It was soft and flexible. The upper edge of the left auricle was deformed by the compression of the tumor. The external auditory canal was unobstructed, and the skin was smooth without redness or swelling. Auxiliary examination, CT showed: ①Left outer auricle fat-like density mass, CT value 22-147 HU, consider lipoma; ②Both sides of mastoid, middle ear, inner ear HRCT scan showed no abnormalities.