Sentinel Node Biopsy Glossary of Terms

The following are health and medical definitions of terms that appear in the Sentinel Node Biopsy article.

Allergic reaction: The hypersensitive response of the immune system of an allergic indiv...

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Anesthesia: Loss of feeling or awareness, as when an anesthetic is administered before sur...

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Arms: An appendage in anatomy and in clinical trials. See: Arm.

Aspirate: To suck in. A patient may aspirate for example by accidentally drawing material ...

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Aspirin: Once the Bayer trademark for acetylsalicylic acid, now the common name for this a...

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Axillary: Pertaining to the armpit, the cavity beneath the junction of the arm and the bod...

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Axillary dissection: Removal of a portion of the lymph nodes under the arm.

Bacteria: Single-celled microorganisms that can exist either as independent (free-living) ...

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Biopsy: The removal of a sample of tissue for examination under a microscope to check for ...

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Breast cancer: Breast cancer is diagnosed with self- and physician-examination of the brea...

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Breast lump: A localized swelling, knot, bump, bulge or protuberance in the breast. Breast...

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Cancer: An abnormal growth of cells which tend to proliferate in an uncontrolled way and, ...

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Chemotherapy: 1. In the original sense, a chemical that binds to and specifically k...

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Chest: The area of the body located between the neck and the abdomen. The chest contains t...

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Chest pain: Pain in the chest that can be a result of many things, including angina, heart...

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Chills: feelings of coldness accompanied by shivering. Chills may develop after exposure t...

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Chronic: In medicine, lasting a long time. A chronic condition is one that lasts 3 months ...

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Cough: A rapid expulsion of air from the lungs, typically in order to clear the lung airwa...

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Diagnosis: 1 The nature of a disease; the identification of an illness. 2 A ...

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Discharge: 1.The flow of fluid from part of the body, such as from the nose or vag...

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Dissection: The process of cutting apart or separating tissue as, for example, in the stud...

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Drain: A device for removing fluid from a cavity or wound. A drain is typically a tube or ...

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Fever: Although a fever technically is any body temperature above the normal of 98.6 degr...

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Galen: Greek physician and philosopher (born about 129 AD, died about 210 AD) known among ...

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Geiger counter: The most commonly used portable radiation detection and measuring instrume...

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Genetics: The scientific study of heredity. Genetics pertains to humans and all other orga...

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Gynecology: The branch of medicine that is particularly concerned with the health of the f...

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Hives: A raised, itchy area of skin that may be a sign of an allergic reaction. It can be ...

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Immune: Protected against infection, usually by the presence of antibodies.

Immune system: A complex system that is responsible for distinguishing a person from every...

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Incision: A cut through skin or other tissue performed by a health care professional.

Infection: The invasion and multiplication of microorganisms such as bacteria, viruses, an...

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Intraoperative: During surgery.

Lumpectomy: The surgical removal of a small tumor, which may be benign or cancerous. In co...

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Lymph: The almost colorless fluid that travels through the lymphatic system, carrying cell...

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Lymph node: One of many small, bean-shaped organs located throughout the lymphatic system....

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Lymphatic: Pertaining to a small, thin channel that is similar to a blood vessel and that ...

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Lymphedema: A condition in which excess fluid collects in tissue and causes swelling. Lymp...

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Malignant: 1. Tending to be severe and become progressively worse, as in malignant ...

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Malignant melanoma: See: Melanoma.

Mammogram: An X-ray of the breast that is taken with a device that compresses and flattens...

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Mastectomy: A general term for removal of the breast, usually to remove cancerous tissue. ...

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Melanoma: The most dangerous form of skin cancer, a malignancy of the melanocyte, the cell...

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Microscope: An optical instrument that augments the power of the eye to see small objects....

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Nausea: Stomach queasiness, the urge to vomit. Nausea can be brought on by many causes, in...

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Nerve: A bundle of fibers that uses electrical and chemical signals to transmit sensory an...

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Node: Literally a knot, a node is a collection of tissue. For example a lymph node, is a ...

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Obesity: The state of being well above one's normal weight.

Obstetrics: The art and science of managing pregnancy, labor, and the puerperium (the time...

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Pain: An unpleasant sensation that can range from mild, localized discomfort to agony. Pa...

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Palpable: Something that can be felt. For example, a palpable growth is one that can be de...

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Pathologist: A physician who identifies diseases and conditions by studying abnormal cells...

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Pharmacy: A location where prescription medications are sold. A pharmacy is constantly sup...

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Prognosis: The forecast of the probable outcome or course of a disease; the patient's chan...

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Radiation: 1. Rays of energy. Gamma rays and X-rays are two of the types of energy ...

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Radiation therapy: The use of high-energy rays to damage cancer cells, stopping them from ...

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Radioactive: Emitting energy waves due to decaying atomic nuclei. Radioactive substances a...

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Radioactive tracer: A radioactive molecule that can be sent through the body's circulatory...

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Sentinel lymph node: The first lymph node to receive lymphatic drainage from a tumor. The ...

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Sentinel lymph node biopsy: Examination of the first lymph node ("gland") that receives ly...

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Sentinel node biopsy: See: Sentinel lymph node biopsy.

Shortness of breath: Difficulty in breathing. Medically referred to as dyspnea. Shortness ...

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Shoulder: A structure made up of two main bones: the scapula (shoulder blade) and the hume...

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Stage: As regards cancer, the extent of a cancer, especially whether the disease has spre...

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Staging: stagingDoing exams and tests to learn the extent of a cancer, especially whether ...

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Surgeon: A physician who treats disease, injury, or deformity via operative or manual meth...

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Surgery: The branch of medicine that employs operations in the treatment of disease or inj...

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Therapy: The treatment of disease. Therapy is synonymous with treatment.

Tumor: An abnormal mass of tissue. Tumors are a classic sign of inflammation, and can be ...

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Urine: Liquid waste produced by the kidneys. Urine is a clear, transparent fluid that norm...

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Viruses: Small living particles that can infect cells and change how the cells function. I...

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X-ray: High-energy radiation with waves shorter than those of visible light. X-ray is used...

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Medical Dictionary