Stereotactic-guided (X-ray guided) biopsy is indicated when ambiguous mammographic findings cannot be localized by ultrasound. This applies especially for calcium containing lesions. The examination can be done as a core biopsy (gun technique) or vacuum technique.
Cancer in situ is often manifested as calcium deposits in mammograms. The method is therefore vital for the diagnosis of this condition.
- To clarify whether a mammography lesion is benign or malignant, and if possible, to determine the diagnosis.