Preduodenal portal vein (PDPV) is a rare developmental anomaly. We recently encountered this anomaly in a 73-year-old woman who had gastric cancer and colonic cancer with liver metastasis. The PDPV was diagnosed preoperatively by computed tomography and angiography. To the best of our knowledge, there are only 19 adult cases reported in the world literature, with this additional case being reported here. In infants the anomaly has often been associated with duodenal obstruction, but in adults it is often symptomless. We discuss the disease process, embryology, diagnosis, association with other anomalies, and surgical treatment.
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Preduodenal portal vein (PDPV) is a rare congenital vascular malformation, which was first described by Knight in 1921 as an anomalous vein that lies in front of the duodenum, common bile duct, and hepatic artery instead of beneath them. This abnormal position may result in congenital duodenal obstruction and puts it in danger during operations around this region. PDPV is typically associated with other congenital anomalies, mainly intraabdominal and cardiac ones.
View Article and Find Full Text PDFAnalysis of associated malformations by computed tomography in adults with polysplenia syndrome: A pilot study.
PLoS One
December 2024
Department of Medical Imaging, The Affiliated Suzhou Hospital of Nanjing Medical University, Gusu School of Nanjing Medical University, Suzhou, Jiangsu, China.
Objective: To analytically depict the associated malformations of polysplenia syndrome (PS) in adults via computed tomography (CT).
Materials And Methods: The incidence of malformations associated with PS in twelve adult patients was retrospectively analyzed via CT imaging.
Results: The number of splenic nodules ranged from three to twelve; the splenic nodules were located in the left upper quadrant in nine patients and in the right upper quadrant in three patients.
Malrotation and midgut volvulus are surgical emergencies that commonly occur within the first month of life. The classic symptom is acute bilious vomiting, while nonspecific symptoms such as recurrent abdominal pain may be present in older children. Malrotation can be associated with duodenal obstruction caused by an abnormal peritoneal fibrous band or congenital anomalies, such as an annular pancreas or a preduodenal portal vein.
View Article and Find Full Text PDFCephalic duodenopancreatectomy in a patient with preduodenal portal vein and SADI-S bypass.
Cir Esp (Engl Ed)
May 2024
Hospital Universitario Infanta Elena, Valdemoro, Madrid, Spain.
Multiple portal veins in the hepatoduodenal ligament: Evidence of "duodenal reverse rotation" hypothesis?
Radiol Case Rep
December 2023
Department of Diagnostic Imaging and Interventional Radiology, Kyoto Katsura Hospital, 17 Yamada-Hirao, Nishikyo, Kyoto 615-8256, Japan.
Duplication of the portal vein is a rare variation, and reports of this condition are quite limited. The present report describes a woman of advanced age who was incidentally diagnosed with duplicated portal veins. The portal vein from the splenic vein distributed to the left lobe of the liver, and that from the superior mesenteric vein ran between the pancreas and duodenum to distribute to the right lobe.
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