Two cases of Parosteal Lipoma on the Forehead / 대한피부과학회지

ABSTRACT

Parosteal lipoma is a rare benign lipomatous neoplasm and found in close or direct apposition to bone, most commonly in the extremities. In the forehead, it is called subgaleal lipoma because of the location between the galea and the periosteum of the frontal bone. Clinically it presents as a round to oval, smooth, firm and relatively fixed, flat or dome shaped mass, unlike the usual lipoma. A parosteal lipoma in the forehead tends to be misdiagnosed initially as other superficial lesions such as epidermal cyst. Therefore, clinical recognition of the tumor and its location is important preoperatively so that the incision is deep enough to find the lesion and to make the correct diagnosis of most firm forehead masses.