Neoplasia Literally means the process of "new growth A genetic disease, in which the growth of tumors is loss of responsiveness to normal growth control, and shows an excessive hyperplasia with abnormal differentiation The three important features Excessive hyperplasia Abnormal differentiation Persistent and progressionNeoplasia • Literally means the process of “new growth” • A genetic disease, in which the growth of tumors is loss of responsiveness to normal growth control, and shows an excessive hyperplasia with abnormal differentiation • The three important features: – Excessive hyperplasia – Abnormal differentiation – Persistent and progression