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Oncology Terminology
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Malignant
A term for diseases in which abnormal cells divide without control and can invade nearby tissues or spread to other parts of the body.
Cancer Screening
Tests and procedures used to detect cancer at an early stage before symptoms appear in hopes of increasing chances for successful treatment.
Pathology
The scientific study of disease and is instrumental in diagnosis, monitoring progression, and assessing treatment efficacy in cancer.
Radiosensitivity
The susceptibility of cancer cells, tissues, or tumors to radiation, used to predict the effectiveness of radiation therapy.
Biomarker
A biological molecule found in blood, other body fluids, or tissues that is a sign of a normal or abnormal process, or of a condition or disease, such as cancer.
Chemotherapy
A type of cancer treatment that uses drugs to destroy cancer cells by stopping them from growing and dividing.
Oncogene
A gene that in certain circumstances can transform a cell into a tumor cell.
Tumor
An abnormal mass of tissue that may be benign or malignant and can grow in any part of the body.
Cancer Staging
The process of determining the extent to which a cancer has developed by spreading.
Cytology
The study of cells, including their function, structure, and life cycle, frequently used in cancer diagnostics to examine cell samples for abnormalities.
Radiotherapy
Another term for radiation therapy, which uses ionizing radiation to kill cancer cells and shrink tumors.
Carcinoma
A type of cancer that starts in cells that make up the skin or the tissue lining organs, such as the liver or kidneys.
Oncologist
A doctor who specializes in treating cancer and provides medical care for a person diagnosed with cancer.
Hyperplasia
An increase in the number of cells in a tissue or organ, which can sometimes precede cancer development.
Benign
Refers to a condition, tumor, or growth that is not cancerous and does not spread to other parts of the body.
Neoadjuvant Therapy
Treatment given prior to the main treatment, such as chemotherapy or radiation given before surgery to shrink a tumor.
Tumor Marker
Substances, often proteins, that are produced by cancer cells or by the body in response to cancer, which can be used to help diagnose and manage cancer.
Oncology
The branch of medicine that specializes in the diagnosis and treatment of cancer.
Biopsy
A medical test involving the removal of cells or tissues for examination to determine the presence or extent of disease.
Sarcoma
A type of cancer that begins in bone or in the soft tissues of the body, including muscle, fat, blood vessels, lymph vessels, and fibrous tissue.
Radiation Therapy
A treatment that uses high-energy radiation to shrink tumors and kill cancer cells.
Cytotoxic
Refers to agents or processes that are toxic to cells, such as chemotherapy drugs which can kill or damage cells.
Targeted Therapy
A type of cancer treatment that targets the changes in cancer cells that help them grow, divide, and spread.
Oncotherapy
Any therapy used in the treatment of cancer, which can include surgery, chemotherapy, radiation therapy, and more.
Oncogenic
Having the potential to cause cancer.
Dysplasia
The presence of abnormal cells within a tissue or organ, which may signify a precancerous state.
Tumor Suppressor Gene
A gene that protects a cell from one step on the path to cancer, and when this is mutated, it can lead to cancer.
Angiogenesis
The process through which new blood vessels form, which can allow tumors to grow and metastasize by supplying nutrients and oxygen.
Carcinogenesis
The process by which normal cells are transformed into cancer cells.
Immunotherapy
A type of cancer treatment that helps your immune system fight cancer.
Proto-oncogene
A normal gene that can become an oncogene due to mutations or increased expression, potentially leading to cancer.
Adjuvant Therapy
Additional cancer treatment given after the primary treatment to lower the risk that the cancer will come back.
Leukemia
A type of cancer that affects the blood and bone marrow, characterized by an overproduction of white blood cells.
Hormone Therapy
A treatment method that decreases the production of hormones or blocks their action to stop or slow down the growth of cancer cells.
Remission
A period in which the signs and symptoms of cancer are reduced or disappear; it can be partial or complete.
Palliative Care
Specialized medical care for people with serious illnesses like cancer, focusing on providing relief from the symptoms and stress of the illness.
Neoplasm
Another term for a tumor, indicating an abnormal growth of tissue.
Apoptosis
A process of programmed cell death which, when disrupted, may lead to cancer.
Hematology
The branch of medicine concerned with the study and treatment of blood diseases, including various forms of leukemia and lymphoma.
Melanoma
A type of cancer that usually begins in the melanocytes, the cells that produce the pigment melanin which colors the skin, eyes, and hair.
Oncolytic Virus
A virus that infects and breaks down cancer cells without causing disease in healthy cells.
Cancer Survivorship
The phase of cancer care that focuses on the health and life of a person with cancer post-treatment, including physical, psychological, and social issues.
Anaplasia
A lack of differentiation of cells often characteristic of aggressive cancerous tumors.
Karnofsky Performance Status
A scale that measures the ability of cancer patients to perform ordinary tasks, with higher scores indicating greater ability to carry out daily activities.
Lymphoma
A type of cancer that originates in the lymphatic system, which is part of the immune system and includes the lymph nodes, spleen, thymus gland, and bone marrow.
Metastasis
The spread of cancer cells from the place where they first formed to another part of the body.
Carcinogen
Any substance that can cause or contribute to the formation of cancer.
Radioresistance
The resistance that cancer cells or tumors exhibit to radiation therapy, often necessitating higher doses or different treatment methods.
Oncolytic Therapy
A treatment that uses oncolytic viruses to infect and destroy cancer cells.
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