ICD-11 definition : A malignant neoplasm characterized by a vascular proliferation which usually contains
blunt endothelial cells. Erythrocyte extravasation and hemosiderin deposition are
frequently present. The most frequent site of involvement is the skin; however it
may also occur internally. It generally develops in people with compromised immune
systems including those with acquired immune deficiency syndrome (AIDS).;
A malignant neoplasm characterized by a vascular proliferation which usually contains
blunt endothelial cells. Erythrocyte extravasation and hemosiderin deposition are
frequently present. The most frequent site of involvement is the skin; however it
may also occur internally. It generally develops in people with compromised immune
systems including those with acquired immune deficiency syndrome (AIDS).