Portacaval anastomosis
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| Portacaval anastomosis Classification and external resources |
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A portacaval anastomosis is a specific type of anastomosis that occurs between the veins of portal circulation and those of systemic circulation.
Specific types include:
| Region | Name | portal circulation | systemic circulation |
| Esophageal | esophageal varices | left gastric vein | esophageal veins |
| Rectal | hemorrhoids | superior rectal vein | middle rectal veins and inferior rectal veins |
| Paraumbilical | caput medusae | paraumbilical veins | inferior epigastric vein |
| Retroperitoneal | (no clinical name) | right colic vein, middle colic vein, left colic vein | renal vein, suprarenal vein, and gonadal vein |
It can be one of the conditions caused by portal hypertension.
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Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
