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Kaposi's sarcoma. Close-up of a Kaposi's sarcoma lesion on the skin of the leg of a male patient suffering from AIDS. This is a cancerous skin tumour, typically coloured purple with silver scales. It is a feature of up to 20% of all AIDS (Acquired Immune Deficiency Syndrome) male patients. Until AIDS, it was a rare cancer found mainly in elderly Mediterranean men. Kaposi's sarcoma begins on the feet and ankles, spreading up the legs to hands and arms. As an aggressive cancer, it may cause internal bleeding if the gut and lungs are affected. Kaposi's sarcoma can prove fatal in AIDS patients. Radiotherapy or anticancer drugs are the common treatment.
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