Related Experiment Videos
Parietal cell protrusions in gastric ulcer disease
1Department of Pathology, New England Medical Center, Boston, MA 02111, USA.
Human Pathology
|October 29, 1997
Summary
Parietal cell cytoplasm protrusions (PCP) are not solely linked to omeprazole therapy. This study found PCP in 15% of gastric ulcer patients, suggesting it occurs in various conditions and is not a reliable marker for omeprazole use.
Area of Science:
- Gastroenterology
- Histopathology
Background:
- Parietal cell cytoplasm protrusions (PCP) are often associated with omeprazole therapy.
- PCP has been implicated in the development of fundic gland polyps.
Purpose of the Study:
- To determine the incidence of PCP in gastric ulcer patients not on omeprazole.
- To analyze the relationship between PCP and gastritis, gland dilatation, cystic change, and fundic gland polyps.
Main Methods:
- Studied 400 gastric mucosal biopsy specimens from gastric ulcer patients off medication for at least 2 weeks.
- Graded severity of PCP, gastritis, gland dilatation, cystic change, and fundic gland polyps on a scale of I to III.
Main Results:
- PCP was observed in 15% of patients (60/400).
- PCP was associated with chronic superficial or interstitial gastritis in 25 cases (12 with H. pylori).
- Glandular dilatation was present in 42% of cases with PCP, but no correlation was found between PCP severity and gastritis or dilatation.
Conclusions:
- PCP is not exclusively linked to omeprazole and occurs in various conditions.
- PCP should not be used to monitor omeprazole therapy.
- PCP has little to no role in the development of fundic gland polyps.