Segmental naevus venosus Q27.-

Zietz et al. 2008

The segmental nevus venosus consists of a limited, band- or flag-shaped, slightly raised plaque with a smooth surface that does not cross the midline. Familiarity is not known.

Very rare; incidence unknown

Vascular malformation. The underlying postzygotic mutation is not yet known.

There is evidence of well-defined, slightly raised, bluish, mostly reticularly fibrillated plaques with an unchanged skin surface. No desquamation or crusting. No bleeding.

1. Seront E et al. (2024) In: Adam MP, Feldman J, Mirzaa GM, Pagon RA, Wallace SE, Bean LJH, Gripp KW, Amemiya A, editors. GeneReviews® [Internet]. Seattle (WA): University of Washington, Seattle; 1993-2024. PMID: 20301733.
2. Zietz S et al. (2008) The venous nevus: a distinct vascular malformation suggesting mosaiicism. Dermatology 216: 31-36