Symptoms of subungual melanoma
summary
Subungual melanoma is a kind of melanocytic malignant tumor, which is not completely agreed by different classification. Clark was divided into four types: superficial diffuse melanoma, freckle like malignant melanoma, nodular melanoma and acral melanoma. Subungual melanoma belongs to acral melanoma. Symptoms of subungual melanoma? Let's talk about it
Symptoms of subungual melanoma
The early manifestations of subungual melanoma were pigmented spots, brown or black, with uneven color and different shades; The edge of subungual melanoma is irregular and will gradually expand into plaques, nodules or masses. If the condition is serious, there will be ulceration and bleeding; In clinical practice, it usually occurs in the left thumb.
The most common site of subungual melanoma is the left thumb, of which 2 / 3 is subungual. The first symptom under the nail is that the deck becomes black gradually after longitudinal crack, and the tumor proliferates into dark brown mass, which is broken, the deck is damaged, and bloody watery secretions flow out.
The pathological features of the tumors were spindle and round Paget cells. According to the degree of tumor invasion, Clark et al. Divided into five types, which is helpful to determine the metastasis rate and surgical method.
matters needing attention
We all know that subungual melanoma is a highly malignant disease. When we can get subungual melanoma, we must treat it in time. Early treatment of the cure rate is very high, the survival time of patients will be very long, late survival time will be greatly reduced.