Stereotactic
Referring to precise positioning in three-dimensional space. For example, biopsies, surgery, or radiation therapy can be done stereotactically.
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- Stereotactic needle biopsy
A biopsy in which the spot to be biopsied is located three-dimensionally, the information is entered into a computer, and the computer calculates the information and positions a needle to remove the biopsy sample.
- Stereotactic radiotherapy
Radiation therapy in which a number of precisely aimed beams of ionizing radiation coming from different directions meet at a specific point, delivering the radiation treatment to that spot.
- Stereotactic surgery
Surgery in which a system of three-dimensional coordinates is used to locate the site to be operated on.
- Stereotaxis
Use of a computer and scanning devices to create three-dimensional pictures. Stereotaxis can be used to direct a biopsy, external radiation, or the insertion of radiation implants.
- Sterilization, female surgical
Female surgical sterilization blocks (or removes part or all of) the fallopian tubes so the egg cannot travel to the uterus. The procedure is done by various surgical techniques, usually under general anesthesia. Complications are rare but can include infection, hemorrhage (bleeding), and problems related to the use of general anesthesia. Female surgical sterilization is […]