Acanthoma nigricans
Introduction
Introduction to acanthosis Melanoacanthoma (melanoacanthoma), also known as non-sputum benign melanoma epithelioma, is a benign epidermal melanoma tumor, rare. More common in the elderly, occurs in the scalp and neck, diameter 0.4 ~ 10cm, if necessary, surgical removal. basic knowledge Sickness ratio: 0.0001% Susceptible people: more common in the elderly Mode of infection: non-infectious Complications: pigmented nevus
Cause
Cause of acanthosis
(1) Causes of the disease
The cause is still unknown.
(two) pathogenesis
The pathogenesis is still unclear.
Prevention
Acanthoma nicotoma prevention
Pay attention to health, do a good job of safety protection, reduce and avoid the irritating and accidental injury of adverse factors, can play a certain preventive role; In addition, early detection, early diagnosis and early treatment are also the key to prevention and treatment of this disease. In case of onset, active treatment should be actively treated to prevent complications.
Complication
Acanthoma nigra tumor complications Complications
No special complications.
Symptom
Symptoms of acanthosis acanthoma common symptoms black skin hyperextension skin stretch spots
More common in the elderly, occurs in the scalp and neck, but also in the trunk and limbs, the damage is a single, 0.4 ~ 10cm in diameter, brown dark brown or black, papilloma-like growth.
Examine
Examination of acanthosis
Histopathology: mainly composed of basal-like cells, keratinocytes and large dendritic melanocytes containing melanin.
Diagnosis
Diagnosis and diagnosis of acanthosis
According to the difference in histopathology and clinical manifestations, it can be differentiated from seborrheic keratosis, pigmented basal cell carcinoma, malignant melanoma or sputum cell sputum.
