Health Sciences 1001A/B Chapter Notes - Chapter 8: Fine-Needle Aspiration, Benign Tumor, Prostate Cancer

• School: Western University
• Department: Health Sciences
• Course: Health Sciences 1001A/B
• Professor: Burke

Document Summary

Mass of tissue that serves no physiological purpose; also called a neoplasm. Benign tumour: mass of tissue that is not cancerous. Malignant tumour: mass of tissue that is cancerous and capable of spending. Lymphatic system: network of vessels that returns proteins, lipids, and other substances from fluid in the tissues to the circulatory system. Biopsy: removal and examination of a small piece of body tissue; needle biopsy uses a needle to remove a small sample, but some biopsies require surgery. Spread of cancer cells from one part of the body to another. Staging: method of classifying the process or extent of a cancer in person. 0 early cancer, present in only the layer of cells where it originated. I, ii, iii more extensive cancer, with higher numbers indicating greater tumour size and/or the degree to which the cancer has spread to nearby lymph nodes or organs adjacent to the primary tumor. Iv advanced cancer that has spread to another organ.