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Modified Johnson classification of benign gastric ulcers

Modified Johnson classification of benign gastric ulcers
Gastric ulcer type Anatomic location Gastric acid secretion Incidence
I Less curvature at incisura angularis Normal or hypoactive 58%
II Simultaneous gastric and duodenal ulcer Hyperactive 22%
III Pyloric or prepyloric channel ulcer, distal to incisura angularis Hyperactive 20%
IV High along lesser curvature to within 1-2 cm of the gastroesophageal junction Hypoactive Rare
References:
  1. Johnson HD. Gastric ulcer: Classification, blood group characteristics, secretion patterns and pathogenesis. Ann Surg 1965; 162:996.
  2. Herrington JL Jr, Sawyers JL. Gastric ulcer. Curr Probl Surg 1987; 24:759.
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