Alopecia neoplastica - Altmeyers Encyclopedia

Definition
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Circumscribed alopecia in malignant tumours or metastases.

Occurrence/Epidemiology
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Rarely. Skin metastases occur in 3-5% of patients with metastatic tumors.

Etiopathogenesis
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/en/dermatology/melanoma-cutaneous-120186" title="Melanoma cutaneous Mostfrequently the scalp is affected by hematogenic metastasis of carcinomas of the breast, kidney (hypernephroma) and lung. Metastases of the scalp are also found in malignant melanoma, prostate carcinoma, gastrointestinal (stomach, colon) and gynaecological carcinoma (ovary, uterus).