Our results, from a clinical and epidemiological point of view, support recent data on genetic characterization of melanomas. In comparison with the other frequent variants we have shown that ALM has some important differences which emphasize that it is a distinct entity more probably related to certain cancer susceptibility but unrelated to familial melanoma, tendency to developing nevus or sun exposure.

Kaposiform hemangioendothelioma is a rare locally aggressive vascular tumor that usually occurs in skin and retroperitoneum of infants and young children. We present a case of a newborn with a rapid tumor growth and a life-threatening Kasabach-Merritt syndrome with a progressive remission after treatment with vincristine and ticlopidine.

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