Intra-operative diagnosis of breast mass-lesions: comparison of the validity of touch smear preparation and frozen section techniques.

Background: A reliable intra-operative pathological diagnosis is a mandatory before proper surgery of breast cancer. So far, The Frozen Section Technique (FS) is the standard technique with a relatively high level of validity. However, when the special facilities of FS are unavailable, Touch Smears Preparation technique (TSP) could be alternatively adopted.