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52 Cards in this Set
- Front
- Back
What Omental sac is the Panc located by?
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Behind the Lesser Omental sac.
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Location of Panc and surrounding structures?
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Deep in Epigastrium & Left Hypochondrium posterior to stomach & duodenum and proximal jenjunum.
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Location of GDA in relationship to the Panc?
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Anterior lateral border of the Panc to Right of neck.
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Relationship of the CBD to the Panc?
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Inferior & Posterior to head of Panc.
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Is the Pancreas retroperitoneal or intraperitoneal?
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Retroperitoneal
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Where is tail of the pancreas in relationship to other organs?
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Anterior to left kidney, begins at left lateral border of aorta, extends to splenic hilum.
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What is the name of the main pancreatic duct? What are the normal measurements?
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Duct of Wirsung. Less than 2mm.
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What duct joins the CBD to enter the second portion of the duodenum?
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Pancreatic Duct.
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Normal measurement of the Pancreas?
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Length: 15cm(12-18cm)
Head: 2-3cm Neck: 1.5-2.5cm Body: 2-2.5cm Tail: 1-2cm |
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Landmarks of the Pancreas.
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Celiac, Splenic Artery, CHA, GDA, SMA, PV, SV, SMV, CBD
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What are Islets of Langerhans & their function?
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Small cells that comprise the endocrine portion of the panc. Production of insulin, glucagon, somatostatin.
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What labs correlate with Pancreatic function?
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Amylase, Lipase, Glucose
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Course of the main pancreatic duct?
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Enters the medial 2nd. part of duodenum & CBD at Ampulla of Vater.
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Clinical signs and symptoms of pancreatitis?
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Abdominal pain radiating to back, nausea, vomiting, mild fever, increase amylase, leukocytosis.
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Arterial supply of the Pancreas.
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Splenic artery, pancreaticoduodenal arteries.
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Where is the Splenic artery and vein in relationship to the pancreas.
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Superior border of body & tail horizontal to splenic hilum. Vein; runs from splenic hilum along posterior aspect.
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Where is the celiac axis in relationship to the pancreas?
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Superior border of panc.
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Where is SMV in relation to the panc?
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Posterior to neck of the panc, anterior to uncinate process.
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Symptoms of Cystic fibrosis?
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Asymptomatic.
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Common causes of pancreatitis?
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Biliary tract disease, alcoholism.
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What is annular pancreas?
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Rare, Head surrounds 2nd. portion of duodenum.
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Where does enzyme distruction of the panc accumulate?
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Head
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What are the sonographic charateristics of acute pancreatitis?
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Hypoechoic mass w/ smooth walls, possible irregular walls with internal echos.
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Signs and symptoms of pancreatic hemorrhage?
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Decrease in hematocrit & serum calcium levels, hypotension despite volume replacement, metabolic acidosis, adult respiratory distress syndrome.
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Why is the pancreas reflective in sonographic appearance?
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Fat lobules.
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What is Phlegmon of the Pancreas?
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Spreading diffuse inflammatory edema of soft tissues that proceed to necrosis & supporation
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Where does most absorption of food take place?
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Intestinal Glands. (Sm.intestine?)
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Most common cause of pancreatitis in children?
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Trauma
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Clinical signs of Pancreatic cancer?
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Increase of Amylase, weight loss, decrease appetite, nausea, vomiting, stool changes, pain radiates to back, painless jaundice.
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Most Gastric cancers occur?
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Pylorus.
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Small bowel obstruction is associated with?
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Dilation of bowel loops, proximal to site of obstruction.
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What is bulls eye or target pattern?
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Inflammed appendix, Gastro-esophageal junction.
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Sonographic appearance of appendicitis?
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Wall greater than 2mm, target sign, lack of peristalsis, not compressable, increased blood flow.
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What is anterior to the panc and sometimes confused with the panc duct?
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Stomach (collapsed)
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Sonographic findings of Chrons disease?
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Symmetrically swollen bowel, target patterns w/ preserved parietal layers around stenotic & hyperdense lumen, increase wall thickening, rigidity to pressure, peristalsis absent or sluggish.
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Location of appendix.
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On abdominal wall under Mcburney's point.
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What is a keyboard sign?
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Valvulae conniventes may be seen as linear echo densities spaced 3-5mm apart.
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What cancers typically metastisize to the stomach?
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Melanoma, breast, lung
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Normal measurements of the appendix?
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1-9 inches.
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What is Embryologic mistake?
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Duplication Cysts
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Where is diverticulum most common?
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Colon.
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Most common tumor of the GI tract in children?
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Lymphoma
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Segments of the colon are divided into?
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Ascending, Descending, transverse, sigmoid
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What arterial system supplies both the small and large intestines?
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Celiac, SMA, IMA
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What division of the duodenum courses to the level of the GB neck?
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Superior portion.
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What ligaments support the greater curvature of the stomach.
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Greater omentary, gastrophrenic ligament, Ileorenal ligament.
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What is the entrance of the esophagus into the stomach called?
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Cardiac Orifice.
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Appendix perforation is more rapid in what age group?
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Preschool children 70%, other children 30%.
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Where do gastroinestinal leiomyosarcoma most commonly occur?
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Ileum
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The pseudokidney sign may be seen in?
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Gastric Carcinoma.
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Symptoms of appendiceal mucoceles?
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RUQ pain.
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Sonographic appearance of Lymphoma of the stomach?
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Large hypoechoic mass, thickened gastric walls, spoke-wheel pattern within the mass.
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