What is sebaceous nevus

Update Date: 2024-02-27 Source: Network

summary

Sebaceous nevus is generally easy to occur in the head and face of these prominent positions, and the time of emergence is just born, as parents, it is necessary to have a comprehensive understanding of the situation of sebaceous nevus, which is conducive to the solution of sebaceous nevus. Let's see what is sebaceous nevus.

What is sebaceous nevus

One: sebaceous nevus is a kind of hamartoma composed of sebaceous glands, also known as organoid nevus. Sebaceous nevus is more common, more than at birth or shortly after birth, more often in the head, face or neck, especially in the scalp.

Second: sebaceous nevus is mainly at the birth of the child, or shortly after the birth of the disease, generally in the head, face, especially in the scalp. Most of them are single shot. There was no hair growth on the damaged scalp. In childhood, it presents as a localized glabrous patch, slightly raised, smooth surface, waxy luster and light yellow. At puberty, the lesions were thickened and enlarged, with papilloma like protrusion on the surface. Most of the lesions are brown and verrucous in the elderly. On the basis of this disease, a few patients may develop adnexal tumors, such as sweat gland tumors, and even metastases. Sebaceous nevus syndrome is a subtype of epidermal nevus syndrome, which is accompanied by abnormalities of other systems such as nervous system.

Third: according to the age of onset, rash prone sites and manifestations, diagnosis is not difficult, such as histologically found sebaceous gland tissue increased, or accompanied by epidermal, dermal or epidermal adnexal dysplasia, can be diagnosed. Sometimes it needs to be distinguished from juvenile xanthogranuloma, verrucous nevus and papillary syringocystadenoma, and pathological examination should be done at this time.

matters needing attention

With sebaceous nevus similar disease types or more, such as verrucous nevus, papillary syringocystadenoma, if you do not know the situation, it is best to go to the regular hospital for examination and diagnosis.