Sometimes, infections in the middle ear can spread to the air cells in the mastoid bone. If your child has too many infections in the mastoid bone, the bone can become soft. If this happens, that part of the bone must be taken away. Taking away the diseased part of the bone does these things: 1  It stops the spread of infection.  Sometimes the hearing is slightly poorer after the surgery but the procedure stops any more damage to the ear and to your child's hearing.
1798, method of printing from a plate, from French stÃ©rÃ©otype (adj.) printing by means of a solid plate of type, from Greek stereos solid (see sterile) + French type type.. Noun meaning a stereotype plate is from 1817. Meaning image perpetuated without change is first recorded 1850, from the verb in this sense, which is from 1819. Meaning preconceived and oversimplified notion of characteristics typical of a person or group is recorded from 1922.
Besides the 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 ÏÏÎµÏÎµÏÏ (stereos, solid), and -taxis (a suffix of New Latin and ISV, derived from Greek taxis, arrangement, order, from tassein, to arrange).