Pathophysiology: Cancer with answers 2024

Pathophysiology: CancerDefine the terms tumor and neoplasm - correct answer Abnormal tissue growth resulting from uncontrolled cell proliferation (Proliferation = rapid increase in cells) List the characteristics of a benign tumor: - correct answer - not considered "cancerous" - composed of well differentiated cells & well organized stroma, the surrounding capsule of connective tissue - retain recognizable tissue structure and do NOT invade beyond capsule, nor spread to regional lymph nodes - List characteristics of malignant tumor: - correct answer - more rapid growth rate (compared to benign) - under the microscope, it is obvious that loss of cell differentiation and loss of normal tissue organization has occurred - substantial amounts of stroma - lack of capsule - grows to invade blood vessels, lymphatic, and surrounding tissues - most deadly characteristic is ability to metastasize! (Metastasize = when cancerous cells spread far beyond tissue of origin) What is the most deadly characteristic of a malignant tumor? - correct answer The ability to metastasize! (Metastasize = when cancerous cells spread far beyond tissue of origin)