Acanthoma nigricans

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 of acanthosis

(1) Causes of the disease

The cause is still unknown.

(two) pathogenesis

The pathogenesis is still unclear.

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.

Acanthoma nigra tumor complications Complications

No special complications.

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.

Examination of acanthosis

Histopathology: mainly composed of basal-like cells, keratinocytes and large dendritic melanocytes containing melanin.

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.

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