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gi pathology Exam | QUESTIONS with 100% Solutions Rated A+
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gi pathology Exam | QUESTIONS with100% Solutions Rated A+
What facilitates the early tumor spread of the Esophageal squamous cell carcinoma
Superficial mucosal defects with neutrophilic infiltrates and fibrincontaining exudate within
the lumen
What happens in erosions of the stomach?
Acute erosive hemorrhagic gastritis
Hemorrhage may cause dark puncta within hyperemic
mucosa What is?
H. pylori infection
Most common cause of chronic gastritis
- H. pylori infection
- Autoimmune gastritis
- Radiation injury
- Chronic bile reflux
- Crohn
- Amyloidosis
- Mechanical injury
- Graft-versus-host disease (Enfermedad de injerto contra huésped)
Cause of chronic gastritis
poverty, household crowding, limited education, residence in rural areas, birth outside of the
United States, and age over 60 years.
Risk factors of H. pylori infection
as a predominantly antral gastritis with normal or increased acid production.
How does H. pylori infection most often presents?
When long-standing H. pylori gastritis may progress to involve the gastric body and fundus.
They are reduced parietal cell mass and intestinal metaplasia.
What is atrophic gastritis?
reduced acid secretion that, in turn, stimulates gastrin production.
, The loss of parietal cells leads to ....
Urease, which generates ammonia from endogenous urea and thereby elevates local gastric
pH
Which factor enhances
bacterial survival of H. pylori in the stomach?
H. pylori gastritis. Antral mucosa is usually erythematous and has a coarse or even
nodular appearance
What is this?
Chronic H. pylori gastritis
Risk factor for develop of gastric adenocarcinoma
Yes. Sometimes they are lymphoid aggregates, some with germinal centers. They have the
potential to transform into a lymphoma
Does H. pylori can transform into a lymphoma?
- Hyperplastic Polyps
- Fundic Gland Polyps
- Gastric Adenoma
Types of polyps
Hyperplastic polyps
Second most common gastric epithelial polyp encountered during endoscopy
as solitary polio in the gastric antrum
Hyperplastic polyps are usually found ...
- Autoimmune gastritis
- H. pylori gastritis
- Post surgery
- Bile reflux gastritis
Hyperplastic polyp is associated with ...
1cm
Dysplasia in hyperplastic polyps is more common when the polyps is greater than ___ cm
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