What Is a Nevus Sebaceous?
Sebaceous nevus is a hamartoma composed of sebaceous glands, also known as organ-like nevus. Sebaceous nevus is more common and develops more frequently at birth or shortly after birth. It usually occurs on the head, face, or neck, especially on the scalp.
Basic Information
- Also known as
- Organ-like mole
- English name
- sebaceousnevus
- Visiting department
- dermatology
- Multiple groups
- More than at birth, shortly after birth
- Common locations
- Face, neck, scalp
Clinical manifestations of sebaceous nevus
- More often than at birth or shortly after birth, usually in the head, face or neck, especially in the scalp. Most are single shots. Hairless growth on the scalp damage surface. In childhood, it appears as a localized, hairless patch with a slight bulge, smooth surface, waxy luster, and pale yellow. By puberty, the lesions thickened and enlarged, showing papilloma-like bulges on the surface. The skin lesions of elderly patients are mostly wart-like, with a solid texture and can be tan. On the basis of this disease, a small number of patients can develop accessory tumors, such as sweat gland tumors, and even metastases. Accompanied by abnormalities in other systems such as the nervous system, is called sebaceous nevus syndrome, which is a subtype of epidermal nevus syndrome.
Sebaceous nevus diagnosis
- According to the age of onset, the diagnosis of rash-prone sites and manifestations is not difficult. If histologically, sebaceous gland tissue is found to be increased, or abnormal development of the epidermis, dermis or epidermal appendages can be confirmed. Sometimes it needs to be distinguished from juvenile yellow granulomas, verrucous nevus, and papillary sweat duct cystadenoma. Pathological examination is required at this time.
Sebaceous nevus treatment
- In order to prevent the occurrence of tumors, complete surgical removal is necessary, and electrocautery and laser treatment can also be used.