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52 Cards in this Set

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