Week 1: Cancer basics

1.Initiation 2.Promotion 3.Progression

<p>Mutations in genetic information of a cell that alters its function</p> Signup and view all the answers

<p>Mutations of cells; this can be due to errors in cell division, inheritance from parents, or environmental exposure to damaging agents</p> Signup and view all the answers

<p>Proliferation (the increase in # of daughter cells due to increased susceptibility to various promoters) &amp; angiogenesis (tumor increases in size once it develops its own blood supply by forming new blood vessels)</p> Signup and view all the answers

<p>Invasion and metastasis (occurs when tumor invades a blood vessel or lymphatic system and migrates to a different site to form a distant tumor)</p> Signup and view all the answers

<p>It means a tumor invades a blood vessel or lymphatic system and migrates to a different site to form a distant tumor</p> Signup and view all the answers

<p>Proliferation = Increase in number of mutated daughter cells due to increased susceptibility to various promoters (growth factors, hormones etc) Angiogenesis = Tumor increases in size once it develops its own blood supply by forming new blood vessels Invasion = As the tumor continues to grow, it may start to invade surrounding tissues Metastasis = Occurs when the tumor invades a blood vessel or lymphatic system and migrates to a different site to form a distant tumor</p> Signup and view all the answers

<p>1 = Hyperplasia 2 = Dysplasia 3 = In situ cancer 4 = Invasive cancer</p> Signup and view all the answers

<ol> <li>Hyperplasia: cels divide more rapidly than normal 2. Dysplasia: cells change form 3. In situ cancer: cells stay in one place 4. Invasive cancer: cancer cells invade normal tissues and enter blood and lymph and/or metastases form at distant sites</li> </ol> Signup and view all the answers