trivia III

• in stomach, benign tumor is more common than the malignant one; and among malignant tumor of the stomach 'plak', gastric carcinoma is much more common than gastric lymphoma.
• in small intestine, lymphoma is more common than carcinoma.
• high incidence of gastric carcinoma are seen in japan & latin america.
• H pylori infection (again) is associated to intestinal type of gastric carcinoma, but not in diffused gastric carcinoma - genetic factor association is more likely.
  
• in meckel's diverticulum, the lining surface of mucosal epithelium in small intestine can be abnormally replaced by heterotopicgastric mucosa, resulting in peptic ulcer disease in jejunum & ileum.
• another name of hirschsprung disease is congenital megacolon.
• malabsorption syndromes cause anemia, increase bleeding tendency, osteopenia, amenorrhea, impotence, hyperparathyroidism, dermatitis, hyperkeratosis, and peripheral neuropathy.
• Giardia lamblia is the world's most prevalent pathogenic gut protozoan, normally transmitted thru fecal-oral transmission.
• celiac disease patients are allergic to gluten, a protein component that commonly present in wheat and grains. it's also very common in certain country like ireland with prevalence of the disease (1:200) to be compared to the other part of the world (1:2000).