Perilesional targetoid hemorrhage in superficial lymphangioma.

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Abstract

Targetoid haemosiderotic hemangioma is a lymphatic malformation characterized by swollen endothelial cells jutting into the lumen and by extravasated red blood cells (1).


When bleeding occurs within the malformation this swells and acquires a brownish color; if the extravasated blood overflows from the neoformation, a hemorrhagic ring is formed in the surrounding skin that extends centrifugally and resolves starting from the center, so that at a certain point you can see a central neoformation, a ring of normal skin and more peripherally a hemorrhagic halo.


However, as well as in a superficial lymphangioma, as the present case shows, this phenomenon can occur in an angioma, a melanocytic nevus or another neoformation (2). For a right diagnosis of the initial lesion it is necessary to observe what remains when the phenomenon regresses.


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