Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
63 Cards in this Set
- Front
- Back
Esophageal atresia occurs most commonly at or near the
|
Tracheal Bifurcation
|
|
Esophageal atresia is most commonly associated with a
|
Fistula
connecting the upper or lower esophageal pouches to a bronchus or trachea |
|
Stenosis can involve any part of the GI tract but most commonly involves the ____ or ____ ______
|
Small intestine, esophagus
|
|
Occurs when closure of the abdominal musculature is incomplete
|
Omphalocele
|
|
an omphalocele that involves all of the layers of the abdominal wall
|
Gastroschisis
|
|
The most frequent site of ectopic gastric mucosa, where it is referred to as an ____ patch
|
The upper third of the esophagus
Inlet Patch |
|
Small patches of ectopic gastric mucosa in the small bowel or colon
|
Gastric Heterotopia, may pressent with occult blood loss due to peptic ulceration of adjacent mucosa
|
|
Where does Meckel Diverticulum occur
|
In the ileum
Age of onset 2 present within 2 feet of ileocecal valve 2 inches long |
|
This presents in the second or third week of life as new onest regurg. and persistent projectile nonbilous vomiting
|
Congenital hypertrophic pyloric stenosis
|
|
This dx, also known as congenital aganglionic megacolon, is when a distal intestinal segment lacks both neural plexus's
|
Hirschsprung Disease
|
|
Hirschsprung is due to heterozygous loss of function mutations in what receptor in most familial cases
|
tyrosine kinase RET
|
|
The ____ is always affected in hirschsprung and causes proximal dilation (megacolon)
|
Rectum
|
|
Outer long. layer of esophagus contracts before the inner circular layer causes
|
Nutcracker esophagus
|
|
This diverticulum occurs immediately above the upper esophageal sphinctor
|
Zenker
|
|
This divert. occurs at midpoint esophagus
|
Traction
|
|
This divert occurs immediately above the lower esoph. sphinctor
|
Epiphrenic
|
|
Person with progressive dysphagia presents. They have had chronic GERD whats your dx
|
Esophageal Stenosis
|
|
Uncommon ledge like protrusions of mucosa that may cause obstruction. They are most common where?
|
esophageal mucosal webs, upper esophagus
|
|
When in the distal (upper) esophagus, esophageal rings are termed __ rings and are covered by squamous mucosa
|
A
|
|
Esophageal rings at squamo-columnar junction of lower esophagus are termed
|
B rings
|
|
Longitud. tears in esoph. near the gastroesoph. junction. Most often assoc. with retching and vomiting secondary to getting wasted
|
Mallory-Weiss tears
accounts for 10% of cases of upper GI bleeding/hematemesis |
|
Candidasis infection of esoph. shows what histolog.
|
Pseudomembranes
|
|
Esophagitis that cant be treated with a proton pump inhibitor signifies
|
eosinophilic esophagitis
|
|
Intestinal metaplasia within the esophageal squamous mucosa
|
Barrett esophagus
|
|
Diseases that impede portal blood flow causing portal hypertension can cause these
|
esophageal varices
|
|
This esophageal tumor typically arises in the background of barrett esophagus
|
Adenocarcinoma
|
|
Use of alcohol and tobacco increases risk of this esophageal cancer
|
Squamous cell carcinoma
|
|
These tumors of smooth muscle origin are most common "uncommon" esophageal tumors
|
Leiomyomas
|
|
Sessile lesions with a central core of connective tissue and a hyperplastic pappiliform often associated with HPV
|
Squamous papilloma
|
|
Ulcers occuring in proximal duodenum associated with severe burns or trauma
|
Curling ulsers
|
|
Ulcers arising in people with intracranial disease
|
Cushing ulcers - caused by direct stim. of vagal nuclei
|
|
Most common cause of chronic gastritis
|
H. Pylori
|
|
Most common cause of atrophic gastritis
|
Autoimmune gastritis
|
|
H. pylori infection is most commonly found near the ____
|
antrum
|
|
Four things attribute to h. pylori virulence
|
1. Flagella
2. Urease 3. Adhesins 4. Toxins |
|
H. pylori are usually never found in ____ areas
|
Acidic - esp. the oxyntic cells
|
|
What is the major difference b/w autoimmune and h. pylori?
|
Autoimmune causes increased Gastrin release and defective gastric acid secretion
Also it produces antibodies to intrinsic factor leading to pernicious anemia |
|
Autoimmune gastritis is characterized by damage of the ____ mucosa
|
Oxyntic
|
|
Gastric antral trauma induces this grossly characteristic lesion
|
GAVE gastric antral vascular ectasia "aka watermelon stomach"
|
|
Char. by gastric tissue damage with high levels of eosinophils
|
Eosinophilic gastritis
|
|
Are peptic ulcers more common in stomach or duodenum
|
duodenum
|
|
The risk of adenocarcinoma is greatest in
|
autoimmune gastritis
|
|
Exuberant reactive epithelial proliferation associated with entrapment of epithelial lined cysts
|
Gastritis cystica
|
|
Hyperplasia of foveolar cells of body and fundus
|
Mentrier disease
|
|
Menetrier disease is caused by excessive secretion of ____
|
TGF-alpha
|
|
This syndrome shows a fivefold increase in the number of parietal cells and is caused by gastrin secreting tumors
|
Zollinger ellison syndrome
|
|
Risk of dysplasia of polyps correlates with their ___
|
size
|
|
Over 90% of all gastric cancers are
|
Adenocarcinoma (cancer originating in glandular tissue
|
|
While overall incidence of gast. adenocarc. is falling, cancer of the ___ ____ is on the rise
|
Gastric cardia
|
|
____ ring morphology seen in adenocarcinoma
|
Signet
|
|
Two places gastric cancer can metastasize are Virchow's Node and Sister Mary Joseph Nodule which are where respectivelt
|
Virchows - supraclavicular
Sister mary- subcutaneous nodule |
|
MALToma (mucosa associated lymphoid tissue) is highly linked with _________
|
H. pylori
|
|
MALToma cells can accumulate large amounts of pale cytoplasm referred to as _____ change
|
monocytoid
|
|
More than 40% of carcinoid tumors are found in the
|
Small intestine
|
|
The most important prognostic feature of carcinoid GI tumors is
|
location
|
|
Carcinoid tumors in the ____ rarely metastasize and are generally cured by resection
|
Foregut
(stomach duodenum) |
|
Carcinoid tumors in the _____ are aggressive
|
Midgut
(Jejunum, ileum) |
|
Almost all carcinoids found here are benign
|
Hindgut
appendix |
|
Most common mesenchymal tumor of the abdomen
|
GI stromal tumor (GIST)
|
|
GIST is seen in "Carney Triad" in young women with what other two things
|
Paraganglioma and pulmonary chondroma
|
|
About 80% of all GISTs have gain of function mutations of the gene encoding the ___
|
tyrosine kinase c-KIT (the receptor for stem cell factor)
|
|
GISTs composed of thin elongated cells are classified as
|
Spindle cell type
|
|
GISTs dominated by epitelial appearing cells are termed
|
Epitheloid type
|