Persistent right umbilical vein: incidence and significance
نویسندگان
چکیده
منابع مشابه
Persistent right umbilical vein as a result of vitamin deficiency during gestation.
Of the two umbilical veins formed in young rat embryos, the light regresses early while the left persists until birth. In a number of rat fetuses from mothers subjected to a transitory deficiency of pteroylglutamic ("folio") acid during pregnancy, this pattern was reversed and the right, instead of the left, umbilical vein persisted until birth. In such cases, the ductus venosus was always abse...
متن کاملAbnormal systemic venous connection possibly associated with a persistent right umbilical vein; a case report
BACKGROUND Abnormal venous connections involving a persistent right umbilical vein are rare. In a minority of cases the liver is entirely bypassed and the condition is associated with multiple congenital malformations. CASE PRESENTATION The described case illustrates a systemic venous drainage that was severely abnormal in a newborn girl with a truncus arteriosus type II congenital heart defe...
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OBJECTIVE The purpose of this study was to determine the prevalence of femoral vein duplication and the incidence of bilateral anomalies in a normal cohort of patients presenting with varicose veins. METHODS Two hundred and forty patients underwent bilateral lower limb deep venous ultrasound examination with particular attention to the femoropopliteal segment. RESULTS The incidence of femor...
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Liver resection is the golden-standard treatment for hepatocellular carcinoma. The extent of liver resection is a balance between complete removal of tumor and the maximum preservation of tumor-free hepatic parenchyma. Bisegmentecomy 7-8 can be an alternative choice to more extensive liver resections if a thick inferior right hepatic vein (IRHV) occurs. This review briefly describes the concept...
متن کاملClinical significance of portal vein embolization before right hepatectomy.
BACKGROUND/AIMS To identify clinical significances of portal vein embolization (PVE) prior to major hepatectomy, we examined clinical parameters and outcome after right hepatectomy in patients who underwent PVE. METHODOLOGY The subjects were 30 patients who underwent PVE (PVE group), and 52 patients (non-PVE), in whom PVE was considered unnecessary, followed by right hepatectomy for hepatobil...
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ژورنال
عنوان ژورنال: Ultrasound in Obstetrics and Gynecology
سال: 2002
ISSN: 0960-7692
DOI: 10.1046/j.1469-0705.2002.00678.x