stomach pathology Flashcards
types of chronic gastritis
- autoimmune
- bacterial
- chemical
most common cause of chronic gastritis
bacterial - h.pylori
id h.pylori gram pos or neg
gram -ve
what interleukin is key in h.pylori chronic gastritis
IL-8
pernicious anaemia increases the risk of what cancer
gastric cancer (gastric adenocarcinoma)
what things cause gastritis of a chemical nature
NSAID, alcohol, bile reflux
types of malignant gastric cancer
adenocarcinoma
lymphoma
gastrointestinal stromal tumour (GIST)
pre-malignant conditions that predipose to gastric cancer include
pernicious anaemia, h.pylori and HNPCC
signet ring type
gastric cancer - diffuse type
subtypes of gastric adenocarcinoma
- intestinal type - angry ulcer
- diffuse type - signet ring type
what is a kruckenberg tumour
metatstaic ovarian cancer of mucin rich signet ring cells originating from gastric adenocarcinoma
what gastric cancer is assoc with h/pylori
MALT - mucos assoc lymphoid tissue (maltoma)
what type of immune cell does a MALT (maltoma) tumour originate from
B-cell
investigation for gastroparesis
gastric emptying study
mangement of gastroparesis
little and often, gastric pacemaker
what is achalasia
lower oesophagus doesnt contract
sign seen on x-ray in achalasia
bird -beak
treatment for achalsia
pneumatic dilatation, myotomy, botox
what antiobides seen on serology in h.pylori infection
IgA
Treatment for h.pylori infection
triple therapy
PPi+ amox + (clarothromycin OR metronidazole)
most common location of peptic ulcer
duodenum
what is the rockall score for
mortality after GI bleed
what is the blatchford score for
likelyhood of rebleeding after GI bleed
treatment options of peptic ulcer
- adrenaline injection
- heater probe coagulation
- clips
- haemospray