| 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) |
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| stereotactic | Precise positioning in three dimensional space. Refers to surgery or radiation therapy directed by various scanning devices. (16 Dec 1997) |
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| 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) |
| ambulatory surgery | <surgery> Operative procedures performed on patients who are admitted to and discharged from a hospital on the same day. (05 Mar 2000) |
| aseptic surgery | The performance of an operation with sterilised hands, instruments, etc., and utilizing precautions against the introduction of infectious microorganisms from without. (05 Mar 2000) |
| cardiovascular surgery | The use of surgery to fix disorders of the heartand/or blood vessels. (09 Oct 1997) |
| radical surgery | Surgery designed to remove all possible diseased tissue, for example, all possible tumour tissue. (12 Dec 1998) |
| major surgery | See: major operation. (05 Mar 2000) |
| vascular surgery | A branch of medicine dealing with the use of surgery to diagnose/treat diseases of the blood vessels. (09 Oct 1997) |
| general surgery | A surgical specialty that involves largely the surgical management of diseases of the bowel, gallbladder, stomach and other digestive organs. (27 Sep 1997) |
| reconstructive surgery | The surgical specialty or procedure concerned with the restoration, construction, reconstruction, or improvement in the shape and appearance of body structures that are missing, defective, damaged, or misshapen. (05 Mar 2000) |
| video-assisted thoracic surgery | A less morbid alternative to "open" thoracotomy that employs cameras, optic systems, percutaneous stapling devices, and assorted endoscopic graspers, retractors, and forceps. Also called video thoracoscopic surgery, it can be selectively applied to various pulmonary, pleural, and pericardial lesions. (05 Mar 2000) |
| perineal surgery | An operation to remove the prostate gland through an incision made between the scrotum and the anus. (12 Dec 1998) |