GI Flashcards
acute gastritis from
imbalnace btwn mucosal defense and acidic enironment
when does pyloric stenosis present
2 weeks after birth
napkin ring lesion with decreased stool caliber LLQ pain and bloody stool
explain napkin ring lesion
left sided carcinoma
napkin ring: grows around entire lumen and sqeeuzes down on the lumen = thinner stool
progressvie dysphagia (solids to liquids) weight loss, pain, hematemesis
esophageal carcinoma
zenker diverticulum
location
true or false
presents with what
outpouching of pharyngeal ucosa through defect in musclar wall (false divert)
arises above upper esophageal sphincter at junction of esophagus and pharynx
dysphagia, obstruction, halitosis
UC or crohns: lymphoid aggregates with granulomas
crohns
location in duodenum of PUD
anterior
when posterior can rupture and lead to bleeding from gastroduodenal artery or acute pancreatitis
benign cystic tumor with abundant lymphocytes and germinal centers (LN like stroma)
ssecond most common tumor of salivary gland
- which gland?
warthin tumor
mostly in parotid
UC or crohns: strictures and string sign on image
crohns
esophageal varices presents with ___ hematemesis
painless
achalasia increase risk of what
esophageal SCC
most common site of h pylori in chronic gastritis
antrum
UC or crohns: pseudopolpys, loss of haustra, lead pipe sign
UC
UC or crohns: crypt abscesses with neurophils
UC
rare presentation with gastric carcnioma
acanthsis nigricans or leser trelat sign which is seb keratosis all over skin
omphalocele
persistent herniation of bowel into umbilical cord
covered by peritoneum and amnion of umbilical cord
cele = covered
adenomatous polyps due to
risk
neoplastic proliferation of glands
benign, but premalignant, may progress to adenocarcinoma
bilateral inflamed parotid glands infection
what other findings
mumps
orchitis, pancreatitis, aseptic meningetis
-sterility and increased serum amylase
defeneses for acute gastritis are
mucin from foveolar cells
bicarb from surface eptihelium
normal blood supply (provides nutrients)
____ is serum tumor marker that is useful for assessing treatmetn response and detecting recurrence of colorectal cancer
CEA
chronic autoimmune gastritis
overall
type of HS
autoimune destruction of gastric parietal cells which are in stomach body and fundus
abs against parietal cells or IF
-type IV HS
colonic carcinoma is associated with an increased risk for ___ ____ endocarditis
strep bovis
serrated colonic polyps
hyperplastic polyps
most common
benign, no malignant potential
recurrent aphthous ulcers, genital ulcers, uveitis
due to immune complex vasculitis
can be seen after viral infection
bechet syndrome
HLA B27
UC or crohns: cobblestone mucsoa
crohns
relapsing abdominal pain, bloating, flatulence, and change in bowel habits that improves with defecation
IBS
FAP with fibromatosis and osteomas
gardner syndrome
UC or crohns: smoking protects against
UC
clinical features of hirschprung disease
failure to pass meconium
empty rectal vault on DRE
massive dilation bowel proximal to obstruction
rules of 2 meckeles
2% of pop
2 inches long within 2 feet of ileocecal valve
first 2 yeears of life
lymph node spread
upper 1/3
middle 1/3
lower 1/3
upper: cervical nodes
middle: mediastinal or tracheobronchial nodes
lower: celiac and gastric nodes
UC or crohns: LLQ pain with bloody diarrhea
UC
clinical features of achalasia
dysphagia for solids AND liquids
putrid breath
high LES pressure on esophageal manometry
bird beak sign
rectal bleed, diverticulitis, with LLQ pain, fistula with air or stool in urine
colonic diverticula
malignant tumor composed of mucinous and squamous cells
most common malignant tumor of salivary gland
usually in parotid and involves facial nerve
mucoepidermoid carcinoma
hamartomatous polyps throughout GI tract and mucocutaneous hyperpigmentation on lips oral mucosa and genital skin
peutz jeghers q
whipple disease site
small bowel lamina propria
foamy macrophages that are PAS postive
macrpohages compress lacteals so chylomicrons cannot be transferred from enterocytes to lympathics = fat malabosrption and steatorrhea
older adult with IDA has
colorectal carcinoma until proven otherwise
main causes of gastric ulcer
h pylori and NSAIds
esophageal web increases risk for what
esophageal SCC