stereotactic needle biopsy
[steer-e-o-TACK-tick need-ul by-op-see]
a method of needle biopsy that is useful in some cases in which calcifications or a mass can be seen on imaging tests but cannot be felt. A computer maps the location of the mass to guide the placement of the needle. See also biopsy, calcifications, needle aspiration, needle biopsy, imaging tests.