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GI Tract Pathology
GI Tract Mult choice and images (guess)
27
Pathology
Undergraduate 2
12/14/2010

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Cards

Term
This image would show a huge target sign (donut sign) in trans and a pseudokidney shape in sag
Definition
intussusception
Term
This image would show echo free loops; "bubble like" pattern peristalsis
Definition
obstruction of bowel
Term
This image would be a target lesion in RLQ; hyperemia; measures more than6-7 mm in diam;noncompressible appx; McBurney's point tenderness
Definition
appendicitis (may have appendicolith)
Term
Image with a large calculus and posterior shadow in enlarged hypoechoic space
Definition
appendicitis with appendicolith
Term
This image would have a poorly defined hypoechoic lesion; irregular borders in RLQ
Definition
appendiceal abscess
Term
All of the following are differential dx for an appendiceal abscess EXCEPT:
ruptured adrenal gland
ruptured ectopic pregnancy
tubo-ovarian abscess
twisted ovarian cyst
Definition
ruptured adrenal gland
Term
This image would have a hypoechoic sacculation off of the bowel kind of like the bladder diverticula
Definition
diverticulitis
Term
This image resembles a cervix in the epigastrium region
Definition
hypertrophic pyloric stenosis
Term
What are two labs that might indicate a GI U/S?
Definition
WBC count; hematoccrit
Term
Target or pseudokidney sign indicate lesion what % of the time?
Definition
90+%
Term
When using compression sono, how does abnormal bowel behave?
Definition
won't compress easily
Term
What does Doppler evaluation help with?
Definition
increased vascularity=neoplasm or inflamm
decreased vascularity=ischemia or edema
Term
What is the most common malignant tumor of the GI tract?
Definition
adenocarcinoma
Term
What is the 3rd leading cause of cancer deaths?
Definition
colon CA
Term
What is the most common tumor of the GI tract in children less than 10 yrs old?
Definition
lymphoma
Term
What is the most common cause of acutely painful abd. in the ER?
Definition
acute appendicitis; male teens; M;F are = into 20s
Term
What are appendicitis symptoms?
Definition
periumbilical pain shifting to RLQ
leukocytosis
nausea, vomiting, fever
rebound tenderness
Term
What does perforation lead to?
Definition
peritonitis
Term
What does perforation lead to?
Definition
peritonitis
Term
What is diverticulitis caused by?
Definition
low bulk (fiber) diet
Term
What are 3 categories of obstruction?
Definition
obturation (due to material in lumen)
intrinsic abnormality (luminal narrowing)
extrinsic lesions (adhesions)
Term
What is the "telescoping" of the bowel called?
Definition
intussusception
Term
What is the most common bowel obstruction in children?
Definition
intussusception

uncommon in adults
treatment with surgery or air enema
Term
Symptoms of this include rectal bleeding, abd pain, and palpable "sausage shaped mass"
Definition
intussusception
Term
This is hereditary and common in males 4:1; associated with projectile vomiting
Definition
hypertrophic pyloric stenosis
Term
Associated with an "olive shape" palpable abdominal mass
Definition
hypertrophic pyloric stenosis
Term
Abnormal pyloric canal length measures______; abnormal cross section measures___________
Definition
greater than 17-18 mm
greater than 15 mm
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