From: Serum level of some micronutrients in children infected with Helicobacter pylori
Feature | Definition | Grading guidelines |
---|---|---|
H. pylori | Density of helicobacter like organisms overlying epithelium | None: no curved bacilli Mild: scattered organisms covering < 1/3 of surface Moderate: intermediate numbers Severe: large clusters or a continuous layer over > 2/3 of the surface |
Activity | Neutrophil polymorph infiltration of the lamina propria, pits or surface epithelium | None: polymorphs difficult to find Mild: < 1/3 of pit and surface infiltrated Moderate: 1/2 to 2/3 of pit and surface infiltrated Severe: > 2/3 of pit and surface infiltrated |
Chronic inflammation | Increase in lymphocytes and plasma cells in the lamina propria | None: lymphocytes and plasma cells are present normal in numbers Mild: mild increase in density Moderate: moderate increase in density Severe: severe increase in density |
Atrophy | Loss of specialized glands from either antrum or body | None: absent Mild: mild loss Moderate: moderate loss Severe: severe loss |