Tumor — definition?
Abnormal cell proliferation within tissue.
Benign vs malignant — difference?
Benign is localized; malignant is invasive and metastatic.
Carcinogenesis — stages?
Initiation, promotion, progression.
Tumor — definition?
Abnormal cell proliferation within tissue.
Benign tumors — features?
Localized, well-differentiated, regular contour.
Malignant tumors — features?
Invasive, poorly differentiated, irregular, metastatic.
Carcinogenesis — process?
Initiation, promotion, progression.
Proto-oncogenes — role?
Promote cell mitosis.
Anti-oncogenes — function?
Suppress cell cycle progression.
Tumor progression stages?
Hyperplasia, dysplasia, in situ, invasion, metastasis.
Answer 10 questions on Understanding Tumor Development and Management.
1. What is a key difference between benign and malignant tumors in terms of their macroscopic features?
2. Which stage in carcinogenesis involves hyperplasia of mutated cells without morphological abnormalities?
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