Pathology, and Classification
Gastric Carcinoma ✅✅Most common stomach malignancy, primarily
adenocarcinoma.
Etiopathogenesis ✅✅Development process involving risk factors and disease
progression.
Occult Blood ✅✅Hidden blood detected in stool samples.
Linitis Plastica ✅✅Thickened stomach wall due to desmoplasia.
Virchow Node ✅✅Supraclavicular lymph node indicating occult neoplasm.
Troisier's Sign ✅✅Supraclavicular lymph node enlargement as cancer indicator.
Early Gastric Carcinoma (EGC) ✅✅Cancer confined to mucosa and submucosa.
Advanced Gastric Carcinoma (AGC) ✅✅Cancer extending beyond submucosa into
muscularis.
Lauren Classification ✅✅Histologic subtype classification for gastric carcinoma.
Intestinal Type ✅✅Gastric carcinoma resembling colonic adenocarcinoma glands.
Diffuse Type ✅✅Gastric carcinoma with discohesive tumor cells.
Signet Ring Cell ✅✅Tumor cells with mucin pushing nucleus peripherally.
Macroscopic Growth Patterns ✅✅Classification based on tumor's visible growth form.
Exophytic Pattern ✅✅Polypoid or fungating tumor growth appearance.
Flat Pattern ✅✅Elevated, flat, or depressed tumor growth appearance.
Excavated Pattern ✅✅Shallow or deeply erosive crater in stomach wall.
Complications of Gastric Cancer ✅✅Commonly includes hemorrhage, anemia, and
cachexia.
H. pylori Infection ✅✅Increases gastric carcinoma risk by 5-6 times.