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Classification of gastric carcinoma: (Classification of gastric carcinoma:)
Classification of gastric carcinoma:
Classification of gastric carcinoma:
According to
differentiation
pattern of arrangement of tumor
cells
architecture,
classified into
Adenocarcinoma (90%)
Intestinal type
Diffuse type
Papillary adenocarcinoma
Tubular adenocarcinoma
Mucinous adenocarcinoma
Signet ring adenocarcinoma
the nucleus in the tumor cells will be pushed
away to the periphery like a large vacuole within the cytoplasm
labeled as a signet ring adenocarcinoma
should be >50% of the
tumor
has a poor prognosis
Adenosquamous carcinoma
mixed differentiation
between
adeno (glandforming)
squamous (which gives individual
cell keratinization forming
squamous keratin pearls)
Squamous cell carcinoma
Undifferentiated carcinoma