Absence of the common iliac veins

The clinical anatomy of the inferior vena cava: A review of common congenital anomalies and considerations for clinicians

“…In all, the 15–60 described abnormalities of the inferior vena cava can be narrowed down to a select few that present unique clinical significance. Some less commonly encountered variations include anomalous return of the renal veins (Tubbs et al, ), additional renal veins (Satyapal et al, ; Dhar, ), isolated left‐sided IVC without situs inversus (Nakatani et al, ), absent common iliac veins (Biswas and Singh, ), anterior course of the IVC at the level of the celiac trunk leading to Dunbar syndrome (Wartmann et al, ), minor hepatic veins creating porto‐systemic shunts (Mehran et al, ), and variations in the course of the hepatic IVC (Ger, ; Bundi et al, ; Matusz and Pusztai, ).…”

Congenital absence of the left external iliac vein with anomalous venous connection in a pediatric patient

“… 6 However, few cases of aplasia of the external, internal, or common iliac veins with an abnormal connection have been document. 1 , 5 , 6 , 7 , 8 Studies have reported the absence of the right common and external iliac veins with dilated suprapubic varicosity draining directly into the IVC associated with absent right common and external iliac arteries. 2 Onkar et al 9 reported a single case of bilateral external iliac vein absence that was treated with surgical intervention.…”

“…The treatment of patients with agenesis of the iliac veins is typically conservative in the absence of any symptoms. 8 , 9 However, for patients with complications and/or morbidity, treatment with surgical reconstruction using an anastomosis with the superficial epigastric vein to the IVC has been reported. 9 Patients with large anomalous connections coursing in the subcutaneous tissue, such as with our patient, are at risk of hemorrhage, aneurysmal formation, and thrombosis, because the vein is not protected by the normal musculature of the abdominal wall.…”

Absence of the Right Common Iliac Vein with the Right Internal Iliac Vein Arising from the Left Common Iliac Vein: Case Report

“…Biswas and Singh reported a case in which a 47-year-old female had agenesis of the common iliac vein on either side. Instead of the normal configuration of veins, she had the right and left external and internal iliac veins all draining directly into the inferior vena cava [9]. Lastly, Huban et al discussed a case in which a cadaver, 55-years-old at death, exhibited a communication between the right internal and left common iliac veins.…”