<unk>  is a skin condition with persistent red or violet discoloration, characterised by a broken, branched, discontinuous and irregular pattern. It can be restricted to the limbs or diffuse. It is usually the first sign of a systemic vascular disorder.
Livedo racemosa
Vernix caseosa
Livedo reticularis
Chondrocranium
Acrospiroma
Corpora arenacea
Hypericum perforatum
Warty dyskeratoma