Malignant Neoplasm: What It Is, Types & Factors - Cleveland Clinic
2022年2月1日 · Malignant neoplasms are cancerous tumors. They develop when cells grow and divide more than they should. Malignant neoplasms can spread to nearby tissues and to distant parts of your body. Treatment options may include surgery, chemotherapy or radiation therapy. Early detection is key, so be sure to attend all recommended cancer screenings.
Medical Definition and Characteristics of Malignant - Verywell Health
2024年9月3日 · Learn about the characteristics and behavior of malignant tumors, the important ways in which they differ from benign tumors, and why it can sometimes be difficult to tell the difference between the two. In medicine, the word malignant is a term referring to a condition that is dangerous to health.
Malignancy - Wikipedia
Malignancy (from Latin male 'badly' and -gnus 'born') is the tendency of a medical condition to become progressively worse; the term is most familiar as a characterization of cancer.
Definition of malignancy - NCI Dictionary of Cancer Terms
A term for diseases in which abnormal cells divide without control and can invade nearby tissues. Malignant cells can also spread to other parts of the body through the blood and lymph systems. There are several main types of malignancy.
Malignant Tumor - Symptoms, Diagnosis and Treatment - Know Cancer
A malignant tumor is a group of diseased cells defined by one of three characteristics: uncontrolled growth, invasion and damage of healthy cells, or metastasizing (spreading) to other organs of the body. They differ from benign tumors, which do …
What Is Cancer? | Cancer Basics | American Cancer Society
A tumor is a lump or growth that can be benign or malignant (cancer). What is the difference between a benign and a malignant tumor? Benign tumors usually grow slowly, don't grow into tissues around them, and don't grow into other parts of the body.
What Is Cancer? - NCI - National Cancer Institute
Cancer is a disease in which some of the body’s cells grow uncontrollably and spread to other parts of the body. Cancer can start almost anywhere in the human body, which is made up of trillions of cells. Normally, human cells grow and multiply (through a process called cell division) to form new cells as the body needs them. When cells grow ...
Cancer - Symptoms and causes - Mayo Clinic
2024年11月19日 · Cancer refers to any one of a large number of diseases characterized by the development of abnormal cells that divide uncontrollably and have the ability to infiltrate and destroy normal body tissue. Cancer often has the ability to spread throughout your body. Cancer is the second-leading cause of death in the world.
Cancer: Types, Causes, Treatment, and Prevention - Healthline
2023年1月17日 · Cancer is a large group of diseases that occur when abnormal cells divide rapidly and can spread to other tissue and organs. These rapidly growing cells may cause tumors. They may also...
Cancer | Definition, Causes, Types, & Treatment | Britannica
2024年12月18日 · Malignant and benign are important distinctions, but they are broad categories that comprise many different forms of cancer. A more-detailed and useful way to classify and name the many kinds of tumours is by their site of origin (the cell or tissue from which a tumour arises) and by their microscopic appearance.