Chapter 17- GI Flashcards
Where are MALTomas most common
Stomach
What infection is associated with rose spots
Typhoid fever
What mutation is associated with Peutz-Jeghers syndrome
STK11; AMP kinase related pathways
What are buzz words for norovirus
Cruise ships, schools, hospitals, nursing homes
What are some complications of yersinia infection
Reactive arthritis, erythema nodosum
Where does Zollinger-Ellison syndrome usually occur
Fundus
What is the predominant infiltrate in zollinger elision syndrome
Neutrophils
What IBD has lead pipe sign
Ulcerative colitis
What cancer are people with esophageal webs more prone to
Squamous cell carcinoma
What is the term for longitudinal stripes of edematous erythematous mucosa that alternate with less severely injured, paler mucosa (Watermelon stomach)
GAVE
What should you think of with foamy macrophages in small intestine/colon
Whipple disease
What is mutated with abetalipoproteinemia
MTP
What should you think of with cobblestone apperance
Crohns
Wheat are the symptoms of menetrier disease
Hypoproteinemia, weight loss, diarrhea
What takes of shigella
M cells in intestine
What does EPEC primarily cause
Endemic diarrhea in kids less than 2 yo
What is mutated in adenocarcinoma of esophagus
TP53 and downregulation of CDKN2A in early stages
What chromosome is APC on
5
What type of transport is defective in whipple disease
Lymphatic transport
What infection can mimic appendicitis
Yersinia
What is the clinical presentation of small bowel infarction
Abdominal pain, bloody diarrhea, decreased bowel sounds
What are the symptoms of gastric adenocarcinoma
Dyspepsia, dysphagia, nausea
What are the risk factors for gastritis cystica
Trauma, prior surgery
What do you see in peripheral blood smear of abetalipoproteinemia
Acathnocytic red cells (burr cells)
What apoproteins are deficiency with abetalipoproteinemia
B-48 and B-100
What is the most freq cause of GI diagnosis in USA
GERD
What should you think of with whipworms and rectal prolapse
Trichuris trichura
What type of transport is an issue with carcinoid syndrome
Transepithelial transport
What is the most common site of metastasis of adenocarcinomas small intestine/colon
Liver
Describe the shape and gram of campylobacter
Comma shaped, flagellated, gram negative
Is there fat/vitamin malabsorption in crohns or UC
Crohn s
What are the diagnostic tests for H. Pylori infection
Serologic test for antibodies, fecal bacterial detection, urea breath test
What HLAs are associated with celiac disease
HLA-DQ2 and HLA-DQ8
What is the term for FAP with fibromatosis and osteomas
Gardner syndrome
What is the term for a painful, superficial ulceration of oral mucosa
Aphthous ulcer
What disorder is associated with the rule of 2s
Meckel diverticulum
What are the clinical manifestations of carcinoid tumor
Cuntaneous flushing, sweating, bronchospasm, colicky abdominal pain, diarrhea, right-sided cardiac valvular fibrosis
What is te wall apperance of ulcerative colitis
Thin
What is the cause of diaphragmatic hernia
Incomplete formation of diaphragm allowing abdominal viscera to herinate into chest
What digestion is defective in disaccharidase deficiency
Terminal digestion
What are some signs of pyloric stenosis
New onset regurgitation, male, persistent projectile vomiting
What is the most common cause of childhood diarrhea
Rotavirus
What is caused by submucosal artery that does not branch properly within the wall of the stomach
Dieulafoy lesion
Describe malabsorptive diarrhea
Follows generalized failure of nutrient absorption, associated with steatorrhea, and relieved by fasting
What is the most common form of congenital intestinal atresia
Imperforate anus
Where is autoimmune gastritis usually located
Body
What are the clinical presentations of right sided adenocarcinoma
Fatigue and weakness due to iron deficiency anemia, left-sided occult bleeding, changes in bowel habits and cramping
What E. coli infection is antibiotics not recommended for
EHEC
What is the clinical triad seen with inflammatory polyps
Rectal bleeding, mucus discharge, inflammatory lesion of anterior rectal wall
What is the distribution of UC
Diffuse
Describe the inflammation of crohn disease
Transmural
Describe osmotic diarrhea
Due to excessive osmotic forces exerted by unabsorbed luminal solutes’ abates during fasting
What are some extra-GI manifestations of tuberous sclerosis
Mental retardation, epilepsy, facial angiofibroma
What gene function is lost with peutz-Jeghers syndrome
STK11
What are some post infection complications with yersinia
Reactive arthritis, Reiter syndrome, myocarditis, GN and thyroiditis
What is the most common pathogenic parasitic infection in humans
Guardians lambkins
What does the intestinal type of gastric carcinoma typically involve
Lesser curvature of stomach
What are rose spots
Small, erythematous maculopapular lesions, seen on chest and abdomen
What is cleft palate and lip due to
Failure of facial prominences to fuse
What is behcet syndrome due to
Immune complex vasculitis involving small vessels
What is the bowel region associated with ulcerative colitis
Colon only
What is excessively produced (cytokine) in menetrier disease
TGF-alpha
What type of anemia can occur with intestinal cystodes
Megalobastic
What is the cause of imperforate anus
Failure of cloacal diaphragm to involuted