A mother nevus etiology symptom treatment?
summary
Nail mother nevus symptoms, nail mother nevus the most common symptom is a black line, generally longer than the root of the nail pigmented nevus, nails in the growth process from the root of the nail slowly black, may be cancerous, remind you need to pay attention to.
A mother nevus etiology symptom treatment?
① Epithelioid nevus has regular arrangement of cells, mild acanthosis and hyperkeratosis of epidermis, and elongated epidermal ridge. ② If the nevus cells are close to the dermis or in the dermis, the morphology of nevus cells is fusiform. The nevus in epidermis contains a lot of pigment. The lower the position is, the less the pigment is.
③ In general, there is little or no inflammation in the dermis except for trauma and malignant transformation. In addition, according to the location of nevus cells in the skin, they can be divided into junctional nevus, mixed nevus and intradermal nevus. Malignant melanoma should be considered in the following cases.
① There were anaplastic or heteromorphic cells: the nucleus was enlarged and deeply stained, and the cells were different in shape and size; ② Malignant borderline differentiation: the nevus cells at the junction of epidermis and dermis showed atypical hyperplasia, the cells could not form nests, or the nests fused with each other, and the basal layer between the epidermal ridges had atypical continuous proliferation of melanocytes; ③ Atypical nevi break through the basal layer and immerse into the dermis;
matters needing attention
Nail mother nevus early mainly appear black line, with the development of the disease, can appear the whole nail black, in addition nail mother nevus also prone to malignant transformation, become melanoma. At present, there is a burning sensation and discomfort. It is really considered that there is malignant transformation. In this case, biopsy and pathological examination are needed to determine the nature. If there is malignant transformation, surgical resection is needed.
