| BRW | Brown-Robert-Wells [stereotactic system] |
|---|---|
| SEEG | stereotactic electroencephalography |
| SMT | spontaneous mammary tumor; stereotactic mesencephalic tractomy |
| SSCT | stereotactic subcaudate tractotomy |
| RTx | Radiotherapy |
| SRT | Stereotactic radiotherapy |
|---|---|
| SRS | Stereotactic Radiosurgery |
| SCNB | Stereotactic core needle biopsy |
| CHART | Continuous Hyperfractionated Accelerated Radiotherapy |
| ERT | External Radiotherapy |
| stereotactic | Precise positioning in three dimensional space. Refers to surgery or radiation therapy directed by various scanning devices. (16 Dec 1997) |
|---|---|
| stereotactic cordotomy | See: cordotomy. (05 Mar 2000) |
| stereotactic instrument | Stereotaxic instrument, an apparatus attached to the head, used to localise precisely an area in the brain by means of coordinates related to intracerebral structures. (05 Mar 2000) |
| stereotactic needle biopsy | Biopsy done while breast is compressed under mammography. A series of pictures locate the lesion, and a radiologist enters information into a computer. The computer calculates information and positions a needle to remove the finding. A needle is inserted into the lump, and a piece of tissue is removed and sent to the lab for analysis. May be referred to as mammotest or core biopsy. (09 Oct 1997) |
| stereotactic radiosurgery | A radiation therapy technique that uses a large number of narrow, precisely aimed, highly focused beams of ionising radiation. The beams are aimed from many directions circling the head and meet at a specific point. (16 Dec 1997) |
| stereotactic surgery | A precise method of destroying deep-seated brain structures located by use of three-dimensional coordinates. Synonym: stereoencephalotomy, stereotactic surgery, stereotaxic surgery, stereotaxis. (05 Mar 2000) |
| radiotherapy | <oncology> The treatment of disease by ionising radiation. Origin: Gr. Therapeia = cure (18 Nov 1997) |
| radiotherapy, adjuvant | Radiotherapy given to augment some other form of treatment such as surgery or chemotherapy. Adjuvant radiotherapy is commonly used in the therapy of cancer and can be administered before or after the primary treatment. (12 Dec 1998) |
| radiotherapy, computer-assisted | Computer systems or programs used in accurate computations for providing radiation dosage treatment to patients. (12 Dec 1998) |
| radiotherapy dosage | The total amount of radiation absorbed by tissues as a result of radiotherapy. (12 Dec 1998) |
| radiotherapy, high-energy | Radiotherapy using high-energy (megavolt or higher) ionizing radiation. Types of radiation include gamma rays, produced by a radioisotope within a teletherapy unit; X-rays, electrons, protons, alpha particles (helium ions) and heavy charged ions, produced by particle acceleration; and neutrons and pi-mesons (pions), produced as secondary particles following bombardment of a target with a primary particle. (12 Dec 1998) |
| radiotherapy localization | Planning the size and alignment of radiation beams to encompass the neoplasm to be treated. (05 Mar 2000) |
| radiotherapy planning, computer-assisted | Computer-assisted mathematical calculations of beam angles, intensities of radiation, and duration of irradiation in radiotherapy. (12 Dec 1998) |
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