Fat removal procedures distinct from injection lipolysis, in that these procedures are device-based, while injection lipolysis relies solely on injections that are marketed as causing lipolysis. Liposuction is a type of cosmetic surgery that removes fat from the human body in an attempt to change its shape. Evidence does not support an effect on weight beyond a couple of months and it does not appear to affect obesity related problems. In the United States it is the most commonly done cosmetic surgery. Serious complications include deep vein thrombosis, organ perforation, bleeding, and infection. Death occurs in about one per ten thousand cases. The
Stereotactic surgery brain, biopsy and surgery of the breast are done routinely to locate, sample (biopsy) and remove tissue. Plain X-ray images (radiographic mammography), computed tomography, and magnetic resonance imaging can be used to guide the procedure. Another accepted form of "stereotactic" is "stereotaxic". The word roots are "stereo-", a prefix derived from the Greek word στερεός ("stereos", "solid"), and "-taxis" (a suffix of New Latin and ISV, derived from Greek "taxis", "arrangement", "order", from "tassein", "to arrange"). Stereotactic surgery works on the basis of three main components: Modern stereotactic planning systems are computer based. The stereotactic atlas is a series of