Two Reports of Phacomatosis Pigmentovascularis Type Iib, One in Association with Sturge-Weber Syndrome and Klippel-Trenaunay Syndrome

: We present two rare cases of phacomatosis pigmentovascularis type IIb, with one patient demonstrating concurrent Sturge–Weber syndrome and Klippel–Trenaunay syndrome. To the best of our knowledge, this is the second infantile case meeting diagnostic criteria for systemic phacomatosis pigmentovascularis type IIb, Sturge–Weber syndrome and Klippel–Trenaunay syndrome in the English language literature.