<unk>  is an older name for the medical condition Ehlers–Danlos syndrome, vascular type. It affects the body's blood vessels and organs, making them prone to rupture.
Sack–Barabas syndrome
Catel–Manzke syndrome
Zadik–Barak–Levin syndrome
Zieve's syndrome
Neu–Laxova syndrome
Temple–Baraitser syndrome
Barakat syndrome
DeSanctis–Cacchione syndrome