• The pancreas and the second, third, and fourth portions of the duodenum also are found in Zone I. The critical management decision is that any penetrating injury in this area requires mandatory exploration. (medicosecuador.com)
  • The pancreas is prismoid in shape and appears triangular in cut section, with superior, inferior, and anterior borders as well as anterosuperior, anteroinferior, and posterior surfaces. (medscape.com)
  • Duodenum and pancreas. (medscape.com)
  • Annular pancreas is a rare congenital abnormality characterized by a ring of pancreatic tissue surrounding the descending portion of the duodenum. (hindawi.com)
  • Annular pancreas coexisting with replaced common hepatic artery which is also a rare anatomical variation has not been reported previously. (hindawi.com)
  • Both annular pancreas and common hepatic artery anomaly are rare. (hindawi.com)
  • Annular pancreas (AP) is a rare congenital anomaly in which the second part of the duodenum is surrounded by a ring of pancreatic tissue continuous with the head of the pancreas. (hindawi.com)
  • It receives tributaries from both surfaces of the stomach, and near the pylorus turns posteriorly, in the right gastro-pancreatic fold of peritoneum, passes in front of the neck of the pancreas, and ends in the superior mesenteric vein. (co.ma)
  • it crosses the front of the abdominal aorta, immediately below the origin of the coeliac artery, and terminates, behind the neck of the pancreas, by joining the superior mesenteric vein to form the portal vein. (co.ma)
  • and in a groove along the upper border of the gland are placed the splenic artery and vein, the vein pursuing a straight, and the artery a tortuous course, and both supplying numerous branches to the pancreas, the narrow extremity of which is thus attached to the inner surface of the spleen. (cloudaccess.net)
  • The head of the pancreas, embraced by the inner curved border of the duodenum, is attached more particularly to the descending and transverse portion of that intestine, encroaching slightly on both the anterior and posterior surface. (cloudaccess.net)
  • Imaging in the arterial phase can be performed to evaluate mesenteric ischemia, aortic dissection, or aneurysm, and can also be used to improve visualization of the pancreas in patients with upper abdominal pain. (radiologykey.com)
  • The pancreas lies in the curve of the duodenum and controls the level of sugar in the blood by secreting insulin and glucagon. (medscape.com)
  • The common bile duct then courses downward about 7 cm, passes behind the superior part of the duodenum, and enters the pancreas. (clinicalgate.com)
  • The splenic vein joins the inferior mesenteric vein , which then together join with the superior mesenteric vein to form the hepatic portal vein , bringing veneous blood from the spleen , pancreas , stomach , small intestine , and large intestine , so that the liver can process the nutrients and byproducts of food digestion. (wikidoc.org)
  • Fistulae are usually secondary to prior vascular surgery and usually occur at the proximal anastomosis at the third or fourth portion of the duodenum where it is retroperitoneal and near the aorta. (wikipedia.org)
  • A number of important vascular structures are contained in Zone I. They include the celiac trunk, the superior mesenteric artery, the inferior mesenteric artery, the renal pedicle vessels, the aorta, and the vena cava. (medicosecuador.com)
  • In the case of severe hemorrhage, a vascular clamp can be placed at the takeoff of these vessels and allows for proximal control of the vessel at the aorta without entering the hematoma. (medicosecuador.com)
  • it is of varying size and is wedged between the superior mesenteric vessels (vein on the right, artery on the left) in front and the aorta behind it. (medscape.com)
  • Although innumerable details of pancreaticoduodenectomy yield to continued innovation, a comprehensive discussion of intraoperative variants (ie, duct to mucosa vs invagination of the pancreaticojejunal anastomosis, diverse approaches to vein resection and reconstructions, nuances of each enteric anastomosis, and modifications of Roux-en-Y reconstructions, to name a few) is beyond the scope of this article. (medscape.com)
  • It runs from left to right along the right portion of the lesser curvature, between the layers of the lesser omentum, and terminates in the portal vein, after that vessel has entered the lesser omentum. (co.ma)
  • The superior mesenteric vein commences in the right iliac fossa, in connexion with the lower part of the ileum. (co.ma)
  • it ascends along the superior pancreatico-duodenal artery, and terminates in the upper part of the superior mesenteric vein or in the portal vein. (co.ma)
  • It receives the vasa brevia or short gastric veins, the left gastro-epiploic vein, the pancreatic veins, and the inferior mesenteric vein. (co.ma)
  • The inferior mesenteric vein commences, as the superior hæmorrhoidal vein, in the venous plexus which lies between the muscular and mucous coats of the rectum. (co.ma)
  • The common bile duct is the most anterior structure of the three major structures of the porta hepatis: common bile duct, portal vein, and hepatic artery. (clinicalgate.com)
  • There may be marked variation in the relationship of the biliary tree to the portal vein and hepatic artery where these structures approach the porta hepatis and enter the liver. (clinicalgate.com)
  • A compression of ILIAC VEIN that results in a decreased flow in the vein and in the left LOWER EXTREMITY due to a vascular malformation. (lookformedical.com)
  • Compression of the left common ILIAC VEIN by the right common ILIAC ARTERY against the underlying fifth LUMBAR VERTEBRA is the typical underlying malformation. (lookformedical.com)
  • A short thick vein formed by union of the superior mesenteric vein and the splenic vein. (lookformedical.com)
  • the inferior mesenteric vein empties into the splenic vein, the superior mesenteric vein joins the splenic vein to form the portal vein. (lookformedical.com)
  • Ulcers of the anterior wall of both the stomach and the duodenum have a greater access to the "free" peritoneal cavity than do those on the posterior wall. (pediagenosis.com)
  • Most patients with mesenteric lesions present with non-specific symptoms of abdominal pain, tenderness, palpable abdominal swelling, abdominal distension and weight loss. (sajr.org.za)
  • These symptoms are shared by pathologies of other abdominal organs and it is therefore very difficult to identify mesenteric lesions clinically. (sajr.org.za)
  • Angiography revealed no sign of recanalization of the target vessels in any artery in either group. (bvsalud.org)
  • Seventeenth-century English anatomist William Harvey, who questioned some of Galen's conclusions, described the heart as a 4-chambered pump that moves blood through arteries and veins, not air. (medscape.com)
  • The hepatic veins of the blood can be from other branches such as the superior mesenteric artery . (wikidoc.org)
  • Neoplasms located in the vasculature system, such as ARTERIES and VEINS. (lookformedical.com)
  • Superior mesenteric artery (SMA) syndrome is an atypical, rare cause of both acute and chronic high intestinal obstruction secondary to extrinsic vascular compression. (sages.org)
  • Hematobilia, or bleeding from the biliary tree Hemosuccus pancreaticus, or bleeding from the pancreatic duct Severe superior mesenteric artery syndrome The diagnosis of upper gastrointestinal bleeding is assumed when hematemesis is documented. (wikipedia.org)
  • Low Body Mass Index: A Risk Factor For Superior Mesenteric Artery Syndrome In. (keyopinionleaders.com)
  • Superior mesenteric artery syndrome in a 37-year-old woman with intermittent. (myesr.org)
  • The duodenum is mostly retroperitoneal in location, except. (myesr.org)
  • The cystic duct is enclosed in the right extremity of the superior border of the gastro-hepatic ligament. (co.ma)
  • The bile-duct, about three and a half inches in length, lies, in its superior third, close to the right free border of the gastro-hepatic ligament. (co.ma)
  • The duodenum, the first portion of the small bowel, is a C-shaped structure that lies at the level of the L1 to L3 vertebrae and extends from the gastric pylorus to the ligament of Treitz. (myesr.org)
  • This zone is only explored if there is a penetrating injury usually a transpelvic gunshot wound which may have involved the vascular structures, the ureter, and the colon. (medicosecuador.com)
  • or it may be elongated and drawn downwards by adhesion to the duodenum or colon. (co.ma)
  • These include the distal duodenum (distal to the ampulla of Vater), jejunum, ileum, appendix, ascending colon, and the proximal 2/3 of the transverse colon. (picmonic.com)
  • However, replaced common hepatic artery (CHA) arising from the superior mesenteric artery (SMA) was reportedly seen in 1.13% of 19,013 cases [ 4 ]. (hindawi.com)
  • a) Three-dimensional computed tomography scan of the abdomen reveals the replaced common hepatic artery arising from the superior mesenteric artery. (hindawi.com)
  • The hepatic artery and peripheral nerves lie most posteriorly. (clinicalgate.com)
  • Approximately 60% to 80% of the blood flow to the liver is from the portal venous system, and 1/4 is from the hepatic artery. (wikidoc.org)
  • Upper gastrointestinal bleeding is gastrointestinal bleeding in the upper gastrointestinal tract, commonly defined as bleeding arising from the esophagus, stomach, or duodenum. (wikipedia.org)
  • If the patient continues to be hemodynamically unstable, an arteriogram with selective embolization of the bleeding vessel coming from the internal iliac artery should be performed. (medicosecuador.com)
  • Curving slightly downwards, the pancreatic duct then comes into contact with the left side of the ductus communis choledochus, which it accompanies to the back part of the descending portion of the duodenum. (cloudaccess.net)
  • The common bile duct and the pancreatic duct enter the duodenum together at the ampulla of Vater . (wikidoc.org)
  • The origin of a long common channel might be formed embryologically with adhesion of the ventral pancreatic duct and the terminal portion of the bile duct 8 . (radiopaedia.org)
  • Selective masked injection in the superior mesenteric artery (red arrow) demonstrates a large arterial feeder with tumor staining (white arrows). (medscape.com)
  • Mild inflammatory cell infiltration was observed around the arterial wall at the embolization site in all arteries in both groups. (bvsalud.org)
  • Computed tomography during arteriography was performed from the superior mesenteric artery and revealed extravasation outside the covered stents in the descending portion of the duodenum. (bvsalud.org)
  • The purpose of this exhibit is to present a graphical review of the anatomy of the duodenum and a series of compelling cases depicting the pathology of the duodenum (congenital, inflammatory, neoplastic, vascular, and iatrogenic disease) with their imaging characteristics at computed tomography (CT) studies. (myesr.org)
  • In excising the gall-bladder, it is an advantage to ligature and divide the cystic artery and duct before proceeding to detach the organ from the inferior surface of the liver. (co.ma)
  • between the layers of the lesser omentum, and along the lesser curvature of the stomach with the left gastric artery, to the oesophagus, where it receives Å“sophageal tributaries. (co.ma)
  • The previous duration of an ulcer, of either the stomach or the duodenum, seems to have no influence on the speed with which the ulcerative and inflammatory processes penetrate the muscular coat and the serous layer. (pediagenosis.com)
  • The clinical picture of an acute and free perforation, whether it occurs in the stomach or in the duodenum, is often dramatic. (pediagenosis.com)
  • PFV is a rare congenital orbital malformation in which there is failure of the hyaloid artery to regress causing a persistent vasculature within the vitreous portion of the eye. (abstractarchives.com)
  • citation needed] The causes for upper gastrointestinal hemorrhage include the following: Esophageal causes (gastrorrhagia): Esophageal varices Esophagitis Esophageal cancer Esophageal ulcers Mallory-Weiss tear Gastric causes: Gastric ulcer Gastric cancer Gastritis Gastric varices Gastric antral vascular ectasia Dieulafoy's lesions Duodenal causes: Duodenal ulcer Vascular malformation, including aorto-enteric fistulae. (wikipedia.org)
  • The patient was a man in his 60s who previously underwent placement of covered stents in the duodenum for a duodenal stricture caused by pancreatic cancer invasion. (bvsalud.org)
  • And has two flexures, the superior and the inferior duodenal flexures. (myesr.org)
  • Anatomic relationships of the third duodenal segment: Anterior: superior. (myesr.org)
  • In 1946, Waugh and Clagett described a formal en-bloc resection of the gallbladder with the common bile duct (CBD), gastric antrum, duodenum, and pancreatic head performed as a one-stage procedure, which we recognize today as the classic pancreaticoduodenectomy. (medscape.com)
  • Gastric gastrointestinal stromal tumor (GIST) en face. (medscape.com)
  • The midgut begins at the distal duodenum, specifically after the ampulla of Vater. (picmonic.com)
  • in these cases its distal portion lies extraperitoneally. (medchrome.com)
  • The ileum is the last portion of the small bowel. (picmonic.com)
  • The mesoappendix, containing the appendicular branch of the ileocolic artery (branch of superior mesenteric artery), descends behind the ileum. (medchrome.com)
  • the splanchnic mesoderm forms the muscular connective tissue, the jejunum and ileum derive from the midgut and the foregut from the duodenum (Collins et al . (hafsaabbas.com)
  • To the right of the median plane the superior surface of the liver is too far removed from the anterior wall of the chest, and overlapped by too thick a layer of lung substance, to be accurately determined by percussion. (co.ma)
  • To the left of the median plane the superior limit of the liver cannot be determined by percussion since it merges into the cardiac dulness. (co.ma)
  • It is covered by peritoneum over its inferior aspect, but it is directly apposed to the surface of the liver along its superior aspect. (clinicalgate.com)
  • The liver is found in the superior right quadrant of the abdomen and weighs approximately 1.5 kilograms. (lecturio.com)
  • Secondary involvement of the mesentery from tumours elsewhere is much more common than primary mesenteric neoplasms such as desmoid tumour, inflammatory myofibroblastic tumour (IMFT), and others. (sajr.org.za)
  • Primary mesenteric solid neoplasms are rare and the majority of them are benign. (sajr.org.za)
  • They are differentiated from neoplasms of vascular tissue (NEOPLASMS, VASCULAR TISSUE), such as ANGIOFIBROMA or HEMANGIOMA. (lookformedical.com)
  • The aim of this article is to describe the spectrum of imaging findings of the various mesenteric lesions using ultrasound and CT. (sajr.org.za)
  • Knowledge of imaging characteristics of various mesenteric lesions helps in timely diagnosis and management. (sajr.org.za)
  • Understanding the characteristic radiological patterns on ultrasound (USG) and CT offers valuable insights for differential diagnoses of mesenteric lesions and their treatment. (sajr.org.za)
  • It is essential that the surgeon is familiar with the anatomy of this area and has a well thought out plan for the management of each injury to a particular organ or vascular structure. (medicosecuador.com)
  • McBurney's point lying at the junction of lateral one-third and the medial two-thirds of the line joining the umbilicus to the right anterior superior iliac spine roughly corresponds to the position of the base of the appendix. (medchrome.com)
  • Angiography of the inferior pancreaticoduodenal artery revealed extravasation in the descending portion of the duodenum, and the inferior pancreaticoduodenal artery was embolized with n-butyl cyanoacrylate. (bvsalud.org)
  • Both patients treated with angioembolization had residual pseudoaneurysm or faint extravasation in the pancreaticoduodenal artery arcade. (bvsalud.org)
  • Larger GISTs nearly always outgrow their vascular supply, leading to extensive areas of necrosis and hemorrhage. (medscape.com)
  • The kidney, adrenal glands, the ureter, and the hilum of the vascular pedicle of the kidney reside in this area. (medicosecuador.com)
  • This includes the central medial superior aspect of the retroperitoneum. (medicosecuador.com)
  • Although the duodenum is not the primary concern when evaluating the gastrointestinal tract in a CT study, the duodenum is a source of ample pathology, some conditions arising primarily from the duodenum and some conditions secondary to processes that involve neighboring organs. (myesr.org)
  • The endocrine glands produce hormones, which are distributed by the vascular system to the many body tissues, subsequently these organs are richly vascularized. (edu.au)
  • Some mesenteric diseases present with distinctive imaging findings while others have similar findings, thereby complicating their differential diagnosis. (sajr.org.za)
  • They demonstrate various contrast enhancement patterns including early peripheral enhancement because of vascular tissue ( Figure 1 ), delayed central enhancement of the fibrotic components, heterogenous, homogenous and absent enhancement. (sajr.org.za)
  • A mass with fibrovascular stalk containing a persistent hyaloid artery was observed with layering debris. (abstractarchives.com)
  • Vascular supply to the midgut is primarily from the superior mesenteric artery (SMA) while innervation is provided by the vagus nerve (CN X) and lesser splanchnic nerve. (picmonic.com)
  • The superior mesenteric artery (SMA) is the primary blood supply to the midgut. (picmonic.com)
  • The lesser splanchnic nerve provides the primary sympathetic input to the midgut via the superior mesenteric plexus. (picmonic.com)
  • Ultrasound can be a superior method due to its ability to visualize superficial structures and detect slow velocity blood flow. (abstractarchives.com)
  • Here the two ducts, placed side by side, pass very obliquely through the muscular and areolar coats of the intestine, and terminate, as already described, on its internal mucous surface, by a common orifice, situated at the junction of the descending and horizontal portions of the duodenum, between three and four inches below the pylorus. (cloudaccess.net)
  • Evaluation of the mesentery is often neglected during routine ultrasound (US) because of inadequate training and unfamiliarity with the common US features encountered with mesenteric disease. (sajr.org.za)
  • Bile can either drain directly into the duodenum via the common bile duct or be temporarily stored in the gallbladder via the cystic duct. (wikidoc.org)
  • Its tributaries correspond with the branches of the superior mesenteric artery. (co.ma)
  • To reach the upper part of the lateral surface of the right lobe, portions of the seventh and eighth ribs should be resected in the midaxillary line, and both the pleural and peritoneal cavities must be traversed. (co.ma)
  • Upper GI image obtained during the single contrast enhancement portion shows an incidentally found mass. (medscape.com)
  • It ascends, along the right side of the superior mesenteric artery, in the root of the mesentery, forming a curve with the convexity to the left. (co.ma)
  • Its larger end, the head, turned to the right, is embraced by the curvature of the duodenum , whilst its left or narrow extremity, the tail, reaches to a somewhat higher level, and is in contact with the spleen. (cloudaccess.net)
  • Conclusion: Our findings suggest that the permissive untreated pseudoaneurysm concept can be useful in developing damage control interventional radiology strategies for trauma cases with challenging time limitations, such as traumatic pancreaticoduodenal artery injury with circulatory collapse. (bvsalud.org)
  • The triangular portion of the mass attached to the lens also demonstrated increased microvascularity. (abstractarchives.com)
  • The "artery-first" approach may be a useful method for pancreaticoduodenectomy in patients who have an anatomical abnormality. (hindawi.com)
  • ANATOMIC LANDMARKS OF THE DUODENUM Anatomical landmarks of the duodenum: the duodenum is divided into four segments and extends to both retro and intraperitoneal spaces. (myesr.org)
  • Anatomical landmarks of the duodenum: the duodenum is divided into four. (myesr.org)
  • A more caudal portion of the tumor has areas of necrosis (arrows), with air present within the necrotic cavity that communicates with the lumen of the small bowel. (medscape.com)
  • We herein describe an extremely rare case in which these anomalies coexisted in a patient with ampullary region carcinoma treated by PD with the "artery-first" approach. (hindawi.com)
  • CT plays an essential role in the diagnosis of mesenteric disease. (sajr.org.za)