Symptom >> Dermatology >> Dermatology

Black moles scattered all over the skin

Introduction
Cause
Examine
Diagnosis

Introduction

Introduction The course of black sputum is generally stable, relatively speaking, natural regression, significant increase and malignant transformation are less likely to occur. The number of blacks in each person is inconsistent. On average, there are 15-20 black mites per person on the normal human body, and generally no treatment is needed. Any black sputum appears to increase significantly in the short term, color change, rupture, hair removal, satellite stove, secondary infection, pain, suggesting that there may be malignant changes, you need to go to the hospital as soon as possible. Pediatric leopard skin syndrome skin manifestations: the whole body skin scattered in black sputum, diameter 2 ~ 8mm, flat, brown or dark brown, face, neck, trunk more, can also appear in the limbs, palms, feet, scalp, genitals, etc. At the office.

Cause

Cause

Its main features are multiple black sputum and skin pigmentation due to increased secretion of pituitary melanocyte stimulating hormone (MSH), which stimulates melanocytes to produce excessive melanin. When the melanin metabolism process or epidermal melanin deposition is disordered to multiple black sputum, the pathogenesis is still unclear.

Examine

an examination

Related inspection

Endocrine function test, biochemical examination, blood routine

The whole body is scattered in black sputum, 2~8mm in diameter, flat, brown or dark brown, with more face, neck and trunk. It can also appear in limbs, palms, feet, scalp, genitals, etc.

Endocrine examination can detect gonadal dysplasia, and concurrent infection with peripheral blood leukocyte count and neutrophil count.

X-ray, bone examination, electrocardiogram, B-ultrasound, EEG examination.

Diagnosis

Differential diagnosis

Differential diagnosis of the skin of the whole body:

Different from other melanin disorders. There are many types of ticks, the most common ones are localized black sputum (according to the depth and depth of the sputum, the skin sputum and the mixed sputum), in addition to the giant black scorpion (large congenital melanin), syncope (with Melanin around the ring-shaped skin pigmentation), simple freckle-like sputum (scorpion), freckles (appears on exposed parts such as the face, brown, darkening after sun exposure), coffee milk spots (light brown appearing at birth) Plaque), chloasma (a healthy woman appears on the cheeks and forehead of the pale brown plaque), Ota (eyes of the upper jaw blue-brown ), Ito (the trunk of the limbs are blue-brown ), blue (blue Spotted diagnosis or nodules). The whole body is scattered in black sputum, 2~8mm in diameter, flat, brown or dark brown, with more face, neck and trunk. It can also appear in limbs, palms, feet, scalp, genitals, etc.