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Topic: Splenic vein


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In the News (Thu 30 Oct 14)

  
  Portal vein - Wikipedia, the free encyclopedia
It is formed by the superior mesenteric vein and splenic vein.
The portal vein is the largest vein in the human body draining blood from the digestive system and its associated glands.
Increased blood pressure in the portal vein, portal hypertension, occurs in liver disease (mainly cirrhosis), and may lead to various complications (ascites, esophageal varices, spontaneous bacterial peritonitis).
en.wikipedia.org /wiki/Portal_vein   (526 words)

  
 Text for Abdomen Module
The portal vein is formed by the confluence of the inferior mesenteric, superior mesenteric, and splenic veins.
The splenic vein is formed by several veins that drain the spleen at the hilum.
Splenic vein thrombosis is a disease where there is occlusion of the splenic vein by a thrombus.
www.med.wayne.edu /diagRadiology/Anatomy_Modules/Abdtext.html   (3232 words)

  
 Mallick IH, Winslet MC. Vascular Complications of Pancreatitis. JOP. J. Pancreas (Online) 2004; 5(5):328-337. [Full ...
The identification of an enlarged left gastroepiploic vein, without a recanalised umbilical vein, strongly suggests a diagnosis of SVT and not portal hypertension and is therefore useful for the differential diagnosis between these two vascular complications; this distinction is important, since their treatment differs totally [56].
Alternatively, the splenic artery may be ligated away from the hilum at the upper border of the pancreas (supragastric approach to control the proximal splenic artery), provided the associated chronic pancreatitis does not prevent this from being done safely [51].
Splenic vein thrombosis secondary to focal pancreatitis diagnosed by endoscopic ultrasonography.
www.joplink.net /prev/200409/02.html   (4043 words)

  
 Spleen - Open Encyclopedia   (Site not responding. Last check: 2007-10-22)
It may be removed surgically (known as a splenectomy), and often is following abdominal injuries with rupture and haemorrhage of the spleen, or in the treatment of certain blood diseases (haemorrhagic purpura, familial jaundice, hereditary spherocytosis, etc.), or for the removal of splenic tumours or cysts.
It is an organ derived from mesenchyme and lying in the mesentery.
These vessels are connected through the splenic pulp by modified capillaries called splenic sinuses.
open-encyclopedia.com /Spleen   (660 words)

  
 eMedicine - Portal Hypertension : Article by Ali Nawaz Khan, MBBS, FRCP, FRCR   (Site not responding. Last check: 2007-10-22)
The differential diagnosis of enlarged hepatic artery includes an occluded or interrupted portal vein, a surgical portosystemic shunt, reversal of flow in the portal vein, parenteral feedings in newborns, hereditary hemorrhagic telangiectasia, cirrhosis or hepatic diseases associated with alcohol, vascular hepatic tumors, and primary hepatic artery dissection.
The enlarged umbilical vein is usually solitary, originating in the left portal vein, which courses inferiorly through the falciform ligament and along the anterior abdominal wall to the umbilicus, seen on longitudinal or transverse scans.
The portal vein is punctured directly and replaced by a guidewire/catheter, and contrast material is injected into the splenic vein and/or the superior mesenteric vein, depending on the clinical setting.
www.emedicine.com /radio/topic570.htm   (11400 words)

  
 intenetszatmari   (Site not responding. Last check: 2007-10-22)
Normally, slow unidirectional flow is revealed in the splenic veins directed from the smallest intra-parenchymal branches towards the bigger ones.
In dogs suffering from isolated splenic torsion, the lack of blood flow is expected in the dilated parenchymal splenic veins (3).
Probably, the lack of thrombus formation in the splenic veins and the low degree of the torsion of the splenic pedicle made the spontaneous recovery possible.
www.univet.hu /mal/2001/10/szatmari.htm   (1558 words)

  
 Archives of Pathology & Laboratory Medicine: A histopathologic study of localized portal hypertension as a ...
In the histopathologic examination of the splenic vein, we evaluated whether phlebosclerosis presented intimal thickening of the vein and whether organized thrombus presented occlusion or stenosis of the venous lumen with neovascularization.
Involvement of the splenic vein was observed in 9 of the 11 cases; organized thrombus formation (with recanalization) was seen in five cases (Fig 3) and phlebosclerosis in four (Fig 4), but no changes were recognized in the remaining two cases.
This result suggests that the splenic vein deformation might be associated with fibrosis or phlebosclerosis of the splenic vein, and that advanced occlusion may occur due to organized thrombus formation.
www.findarticles.com /p/articles/mi_qa3725/is_199706/ai_n8772208   (1222 words)

  
 The Veins   (Site not responding. Last check: 2007-10-22)
The splenic vein accompanies the splenic artery and drains the spleen It receives branches from the short gastric, left gastroepiploic, pancreatic and inferior mesenteric veins.
The inferior mesenteric vein drains the transverse, descending and sigmoid colon and the rectum.
The most important of these are the anastomoses with the azygos veins around the lower esophagus between the esophageal veins and the left gastric vein, and at the lower end of the rectum between the superior rectal vein and middle and inferior rectal veins.
www.med.mun.ca /anatomyts/first/avein6.htm   (280 words)

  
 p981111c - Splenic Vein Thrombosis   (Site not responding. Last check: 2007-10-22)
We describe a patient in whom a left-sided pleural effusion resulted from splenic vein thrombosis, a relationship not previously reported.
We propose possible pathophysiologic mechanisms and recommend that splenic vein thrombosis be considered in the differential diagnosis of unexplained left-sided pleural effusions.
This report describes 19 patients in whom splenic vein thrombosis was diagnosed by angiography although clinically unsuspected.
www.emory.edu /WHSCL/grady/amreport/litsrch98/p981111c.html   (307 words)

  
 A 47-year-old man, resident of Haryana, was hospitalised for evaluation...   (Site not responding. Last check: 2007-10-22)
The splenic vein hypertension is either due to intrahepatic disease (e.g., cirrhosis) or extrahepatic disease (such, as portal or splenic vein thrombosis).
Portal vein thrombosis (PVT) is being increasingly identified as a cause of abdominal pain as a result of widespread use of ultrasound for assessing the cause of abdominal symptoms.
In a study from PGI Chandigarh, the PVT with patent splenic vein was found in 66 percent of cases and total block in 29 percent of cases.
www.indegene.com /Gas/ClinRound/indGasCase12.html   (2520 words)

  
 Encyclopedia: Spleen   (Site not responding. Last check: 2007-10-22)
Jump to: navigation, search In biology, a vein is a blood vessel which returns blood from the microvasculature to the heart.
They may form near the hilum of the main spleen, the junction at which the splenic vessels enter and leave the organ.
It may be removed surgically (known as a splenectomy), and indeed often is. For example, it may be removed following abdominal injuries with rupture and hemorrhage of the spleen, or in the treatment of certain blood diseases (Idiopathic thrombocytopenic purpura, familial jaundice, hereditary spherocytosis, etc.), or for the removal of splenic tumours or cysts.
www.nationmaster.com /encyclopedia/Spleen   (2550 words)

  
 SAGES Primary Care Physician Information: Distal Pancreatectomy   (Site not responding. Last check: 2007-10-22)
Dissect the posterior aspect of the pancreas to ascertain involvement of the splenic vein and/or artery.
Identify the splenic artery beneath the posterior peritoneum at the superior border of the pancreas.
The splenic vein should be on the posterior aspect of the gland.
www.sages.org /primarycare/chapter29.html   (1268 words)

  
 Nitric oxide increases fluid extravasation from the splenic circulation of the rat -- Andrew et al. 280 (4): 959 -- AJP ...
Nitric oxide increases fluid extravasation from the splenic circulation of the rat -- Andrew et al.
Nitric oxide increases fluid extravasation from the splenic circulation of the rat
endothelium of the splenic vasculature (37) is freely permeable
ajpregu.physiology.org /cgi/content/full/280/4/R959   (5453 words)

  
 Intraportal Venous Flow Distribution: Evaluation with Single Breath-Hold ECG-Triggered Three-Dimensional Half-Fourier ...
confluence of the superior mesenteric and the splenic veins
veins, the superior mesenteric vein, and the splenic vein with
to the portal vein and to the liver is not fully understood.
www.ajronline.org /cgi/content/full/178/2/343   (3553 words)

  
 Hepatofugal Flow in the Portal Venous System: Pathophysiology, Imaging Findings, and Diagnostic Pitfalls -- Wachsberg ...   (Site not responding. Last check: 2007-10-22)
Opacification of the splenic vein is abnormal and indicates hepatofugal flow in this vessel.
Despite hepatopetal flow in the portal vein, the hepatic parenchyma is not perfused by splanchnic venous blood because portal venous inflow is completely shunted to the paraumbilical vein.
However, flow in the boundary layer (adjacent to the wall of the portal vein) is shown as red signal, which implausibly indicates flow in a direction opposite to that of flow in the central lumen.
radiographics.rsnajnls.org /cgi/content/full/22/1/123   (7519 words)

  
 Change in the Hemodynamics of the Portal Venous System After Retrograde Transvenous Balloon Occlusion of a Gastrorenal ...
Splenic arteriograph obtained during portal phase shows hepatofugal portal flow originating from spleen flowing through short gastric vein and entering gastrorenal shunt (thin arrow) and left renal vein and inferior vena cava (thick arrow).
Splenic arteriograph obtained during portal phase with balloon occlusion of gastrorenal shunt fails to reveal gastrorenal shunt, despite inflow from short gastric vein into gastric region and normal hemodynamics of portal venous system (arrows).
CT arterial portograph acquired through splenic artery without balloon occlusion of gastrorenal shunt shows poor enhancement of portal venous system in liver and dense opacification of inferior vena cava (thick arrow) and gastrorenal shunt (thin arrow).
www.ajronline.org /cgi/content/full/181/4/1011   (2787 words)

  
 eMedicine - Portal Vein Thrombosis : Article by Ali Nawaz Khan, MBBS, FRCP, FRCR   (Site not responding. Last check: 2007-10-22)
Pathophysiology: Cavernous transformation of the portal vein, that is, the development of periportal collaterals, occurs with long-standing PVT due to the development of multiple small vessels in and around the recanalizing or occluded main portal vein.
Anatomy: The portal vein forms behind the neck of the pancreas with the union of the splenic and superior mesenteric veins.
Esophageal varices that consist of dilated submucosal veins in the lower esophagus occur chiefly as a consequence of portal hypertension, mostly in cirrhosis.
www.emedicine.com /radio/topic571.htm   (3460 words)

  
 Splenic vein definition - Medical Dictionary definitions of popular medical terms
Splenic vein definition - Medical Dictionary definitions of popular medical terms
Splenic vein: A vein formed by the union of several small veins that return blood from the stomach, pancreas and spleen.
The splenic vein is a major contributor to the portal vein which goes to the liver.
www.medterms.com /script/main/art.asp?articlekey=9909   (202 words)

  
 ZO315 Lab Objectives: Circulatory
hepatic portal vein mesenteric vein intestinal veins gastrosplenic vein gastric vein splenic vein
posterior vena cava genital veins hepatic sinuses posterior cardinal veins
abdominal aorta celiac trunk hepatic artery left gastric artery splenic artery superior mesenteric artery intestinal arteries inferior mesenteric artery renal arteries genital arteries iliolumbar arteries external iliac arteries internal iliac arteries
biology.semo.edu /courses/zo315/lab_circulatory.html   (215 words)

  
 Transhepatic Mechanical Thrombectomy Followed by Infusion of TPA into the Superior Mesenteric Artery to Treat Acute ...
Vascular) was then advanced into the splenic vein and a 5-F, multisidehole catheter was advanced over the wire.
There is decreased but persistent thrombus in the main portal vein and there is free reflux of contrast material into the SMV.
Perihepatic fluid (arrowhead) likely represents hematoma due to the transhepatic approach to the portal vein, despite tract embolization during sheath removal.
www.jvir.org /cgi/content/full/11/2/195   (2043 words)

  
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the short saphenous vein empties into the popliteal vein c.
The anastomes that feed these four muscles are formed by the suprascapular A., the circumflex scapular A., and the dorsal scapular A. (see Netter plate 398).Severing the transverse cervical nerve within the posterior triangle is likely to result in reduced cutaneous sensation at the:xa.
www.ucihs.uci.edu /com/class2003/msp/anatomy.xls   (6446 words)

  
 Bioline International Official Site (site up-dated regularly)
The erythrocytosis of Fallot’s tetralogy may lead to spontaneous thrombosis at any site, but splenic vein thrombosis and variceal bleed is rarely a presentation of Fallot’s tetralogy.
A case of a 48 years old female with undiagnosed Fallot’s tetralogy, presenting with variceal bleed due to splenic vein thrombosis, is reported.
Abdominal ultrasonography showed splenomegaly with hyperechoic mass in splenic vein with collaterals suggestive of splenic vein thrombosis.
www.bioline.org.br /request?jp01055   (609 words)

  
 Energy Citations Database (ECD) - Energy and Energy-Related Bibliographic Citations
Availability information may be found in the Availability, Publisher, Research Organization, Resource Relation and/or Author (affiliation information) fields and/or via the "Full-text Availability" link.
False-positive liver scan caused by dilated splenic vein
A 61-year-old patient with splenomegaly exhibited a horizontal defect on a /sup 99m/Tc-sulfur colloid liver scan.Hepatic angiography revealed a dilated splenic vein occupying the site of the defect.Other radiographic studies ruled out other etiologies for the scan finding.(auth)
www.osti.gov /energycitations/product.biblio.jsp?osti_id=4327649   (120 words)

  
 PHYLUM CHORDATA
Posterior Cardinal vein Genital Sinuses Efferent Renal vein
Posterior Vena Cava (Postcaval vein) Posterior Cardinal vein
External Jugular vein Brachial vein Internal Jugular vein
www.cst.cmich.edu /users/gilli1jc/337Weeks7-8.htm   (176 words)

  
 definition of splenic
Dictionary Home Add the "Word of the Day" to Your Site - it's Easy!
Of or pertaining to the spleen; lienal; as, the splenic vein.
As, Of, Or, Pertaining, Spleen, Splenic, The, To, Vein
www.brainydictionary.com /words/sp/splenic222773.html   (44 words)

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