Neoplasia Flashcards
Define neoplasia
abnormal tissue formation, whose growth exceeds and is un-coordinated as compared to noral tissue and which remains like that despite removal of the stimulus provoking the change
modern definition: a neoplastic cell has expanded clonally as a result of somatic mutations or other genetic alteration.
Define carcinoma in situ
the entire epithelium is dysplastic, but there is NO invasion or metastasis.
How to predict prognosis
Grading: degree of differentiation
Staging: Tumor size/location
Grading of ductal adenocarcinoma is based on wat
Tubuli, mitoses, nuclear pleomorphism. Grading of ductal breast adenocarcinoma based.
TNM staging is wat
T: tumor size and extent.
N: how many lymph nodes are involved
M: number of metastases.