What type of vein obstruction is associated with suprapubic abdominal varicose veins?

Suprapubic abdominal varicose veins are typically a result of iliofemoral obstruction. This type of obstruction interferes with the venous return from the lower extremities and pelvic region. When there is a blockage in the iliofemoral region, blood flow can be impeded, leading to increased venous pressure in the lower extremities and the pelvis. This backs up venous blood and can cause engorgement and varicose veins in areas like the suprapubic region, as the blood seeks alternative pathways for drainage.

In cases of aortoiliac obstruction, the downstream effects primarily affect the iliac veins but are less likely to produce isolated suprapubic varicosities without also involving more extensive symptoms. Similarly, femoral obstruction would primarily cause symptoms in the thigh rather than the suprapubic area, and popliteal obstruction typically affects the calf and lower leg. Hence, iliofemoral obstruction is directly linked to the development of suprapubic abdominal varicose veins.