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Vascular malformations and fistulas

35 articles

Spinal cord arteriovenous malformation, nidus type

Spinal cord arteriovenous malformation, nidus type (SCAVM, ORPHA:715284): a rare glomerular spinal AVM with an intervening vessel network between artery and vein. Presents younger, with hemorrhage; complete obliteration 27% versus 72% for fistulous type.

Sturge–Weber syndrome

Sturge–Weber syndrome, also called encephalotrigeminal angiomatosis, is a rare congenital neurocutaneous disorder featuring a facial port-wine birthmark, leptomeningeal angioma, and glaucoma, caused by a GNAQ mutation.

Uterine arteriovenous malformation

Uterine arteriovenous malformation (uterine AVM, arteriovenous fistula): a rare high-flow vascular shunt between uterine arteries and myometrial veins, usually acquired after curettage, cesarean section, or abortion, causing severe bleeding; diagnosed by Doppler ultrasound, treated by embolization or medication.

Vein of Galen aneurysmal malformations

Vein of Galen aneurysmal malformation (VGAM, vein of Galen malformation) is a rare congenital cerebral arteriovenous fistula draining into a persistent embryonic median prosencephalic vein, presenting with neonatal heart failure or infant hydrocephalus and treated mainly by transarterial embolization.

Verrucous venous malformation

Verrucous venous malformation (VVM), formerly verrucous hemangioma, is a rare congenital venous malformation with MAP3K3 mosaic mutations, warty hyperkeratotic plaques mainly on the lower limbs, treated by wide excision.