Unilateral nevoid telangiectasia presents with fine thread veins, typically over a segment of skin supplied by a particular nerve on one side of the body.
Rare congenital type manifests at or soon after the neonatal period; it is more common in males and occurs in an autosomal dominant pattern.
Conversely, the acquired form is nearly exclusively found in young female patients who have physiologic problems.
[7] A normal-appearing epidermis with superficial dermal telangiectatic blood vessels beneath and a low level of inflammatory infiltration is revealed by histopathologic investigation.
[8] After the triggering factor is eliminated, unilateral nevoid telangiectasia usually persists but in rare situations, it resolves on its own.