With the term „hemangioma“ different vascular anomalies where described. Here one has to discriminate the kongenital vascular tumours from the vascular anomalies. But for a clear indication a definite classification is necessary. Basis is the actual ISSVA classification. In the latest version they have incorporated the embryological aspects of the Hamburg Classification. Especially in the vasculogenetic (“extratruncular”) malformations one found increasing genetic defects. Here is an overlap to the neuro-ectodermal syndromes. By this, common therapeutic strategies are in progress.
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