Introduction to Cancer
Brief Explanation of the PPT Content Introduction to Cancer Cancer (Malignant Tumor/Neoplasm) : Abnormal cell growth with potential to invade or spread to other parts of the body. Benign Tumors : Do not spread to other parts of the body. Causes of Cancer : Tobacco : Responsible for 22% of cancer deaths. Obesity, Poor Diet, Lack of Physical Activity, Alcohol : Contribute to 10% of cancers. Infections : Hepatitis B, Hepatitis C, and HPV are responsible for 20% of cancers. Genetic Defects : Inherited from parents, responsible for 5-10% of cancers. Detection Methods : Signs, symptoms, screening tests, medical imaging, biopsy. Cellular Growth Terms Anaplasia : Loss of cell differentiation. Aplasia : Absence of an organ or tissue. Hypoplasia : Below average number of cells. Hyperplasia : Increased number of cells. Neoplasia : Abnormal cell proliferation. Dysplasia : Abnormal growth or development of cells. Metaplasia : Conversion of one cell type to another. Prosoplasia : Development of new