GASTRITIS : VARIOUS FORMS & TREATMENT

Various form of gastritis have been depicted in the below :

Type A  :
              (a) Atrophy of parietal cell mass hence hypochlorhydia & decrease intrinsic factor .
              (b)Antrum is not affected .
              (c) Autoimmune - antibodies to parietal cell .
              (d) Hypochlorhydria stimulates antral gastrin .

Type B :  (a) H.pylori associated .
               (b) Antrum is affected .
               (c) predisposes to peptic ulcer disease .
               (d) Can give rise to intestinal metaplasia , dysplasia & for the development of malignant disease.

Reflux  :  (a) After cholecystectomy ,gastric surgery .
               (b) Antrum is affected .
               (c) usually does not give rise to peptic ulcer disease .
               (d) Treated by prokinetic agents or bile chelating agents .

Erosive : (a) It occurs due to NSAID.                                                                                           (b) It affects entire stomach .                                                                                     (c) It occurs due to defective gastric mucosal barrier .                                               (d) Treated by H2 blockers . 

  

   Type B gastritis  & erosive gastritis is common  .Endoscopy & Biopsy are the key investigations in all forms of gastritis .The treatment depends upon the type of gastritis .Rarer forms of gastritis include granulomatous gastritis , lymphocytic gastritis etc .