Nevus Sebaceus of Jadassohn on the Face with Full Thickness Surgical Excision: A Case Report

Background: Nevus sebaceus of Jadasshon (NSJ) is a quite rare inherited disorder that can cause cosmeutical problem. This case is the second case in the last 2 years at our center. Lesion of NSJ most frequently on the scalp (59.3%) but has also been found on the face (32.6%). Full thickness surgical excision is the choice of treatment. Case: A case of nevus sebaceus of Jadasshon, in 24 years old woman, with a brownish lump that is painless ang does not itch on the left cheek that has been present since birth. History of bleeds was denied. There are no abnormalities of the central nervous, skeletal or ocular systems. There is no family history of the same disorder. Dermoscopic feature: grayish yellow globules papillary appearance in ?cobblestone pattern?. Histopathological examination shows stratified squamous epithelium with hyperplasia, papillomatosis, and acanthosis. The dermis layer contains sebaceous glands, sudorifera glands, hair follicles, lymphocyte cell, periadnexal plasma cells. Patient was treated with full thickness surgical excision. Discussion: Lesions of NSJ are usually appears on the scalp and the shape of the lesion depends on the stage. In this case, the lesion accordance to the adult stage. There is hyperplasia of the lesion that leads to a larger and more verrucous appearance. Surgical excision was performed in this patient, although signs of malignancy and systemic involvement were not found. Based on the literature, although the percentage is low, there is a possibility that it will turn into malignancy in the future.