Blue Rubber Bleb Nevus Syndrome (Bean Syndrome)

Figure 2.28 A: Rubinstein–Taybi syndrome B: Blue rubber bleb syndrome (Courtesy of Dr. Michelle B. Bain) C: Cornelia de Lange syndrome (Courtesy of Dr. Karen Bryson)
Figure 2.28
A: Rubinstein–Taybi syndrome
B: Blue rubber bleb syndrome
(Courtesy of Dr. Michelle
B. Bain
)
C: Cornelia de Lange syndrome
(Courtesy of Dr. Karen Bryson)
(Figure 2.28B)
  • Sporadic (sometimes AD), TIE2 gene mutation (tyrosine kinase activating mutation)
  • Multiple tender cutaneous and GI venous malformations
  • Presents with compressible, blue papulonodules on trunk/arms, painful with ↑ lesional hyperhidrosis, + nocturnal pain characteristic, GI malformations can cause GI bleeding, intussusception