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M6 13-005

Exam 17: Intro to Cancer (Key Terms)

Cancer a group of diseases characterized by the uncontrolled growth and spread of abnormal cells that can result in death if not detected and controlled.
Carcinoma a malignant growth composed of epithelial (covering layer of the internal and external surfaces of the body) cells that tend to spread to other areas of the body.
Carcinogen Any cancer-producing substance.
Carcinogenesis The process by which normal cells are transformed into cancer cells.
Benign not malignant, not recurrent, not spreading, favorable for recovery
malignant Tending to become progressively worse, resistant to treatment, tending to spread and result in death.
Metastasis The process by which tumor cells are spread to distant parts of the body, from a primary site to a secondary site.
Alopecia Hair loss due to destruction of hair follicles.
Autologus Something having its origin within an individual, especially a factor present in tissues or fluids.
Biopsy removal of a small piece of tissue from an organ or other part of the body for microscopic examination, used to confirm or establish a diagnosis, establish a prognosis, or follow the course of a disease.
Differentiated Most like the parent tissue.
Immunosurveillance The immune system's recognition and destruction of newly developed abnormal cells.
Leukopenia Reduction in the number of circulating white blood cells due to depression of the bone marrow.
Neoplasm Uncontrolled or abnormal growth of cells.
Oncology The sum of knowledge regarding tumors, the study of cancer
Palliation Therapy designed to relieve or reduce intensity of uncomfortable symptoms: does not produce a cure.
Papanicolaou ("Pap") Smear a means of studying cells that the body has shed during the normal sequence of growth and replacement of body tissue, if cancerous is present, cancer cells also shed; commonly used in pelvic examinations to detect cancer in women.
Sarcoma Malignant tumors of connective tissues, such as muscle or bone, presents as painless swelling.
Stomatitis Mouth Inflammation caused by destruction of normal cells in the oral cavity.
Thrombocytopenia Reduction in the number of circulating platelets due to the suppression of the bone marrow.
Tumorlysis Syndrome An oncologic emergency that occurs with rapid lysis (breakdown) of malignant cells.
Created by: jtzuetrong