Stereotaxic Needle Biopsy of Non-Palpable Breast Lesions

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Abstract
Stereotaxic needle biopsy was performed on 121 radiographically demonstrated non-palpable breast lesions, which were excised within 3 mo. after the needling. Of the 62 histopathologically proven malignant tumors, malignant or probably malignant epithelial cells were obtained at needle biopsy, in about 80% of cases, in which the cellular material was quantitatively adequate. There was no false-positive cytologic result. The combined radiologic and cytologic assessment gave a correct diagnosis in 61 of the 62 histopathologically malignant tumors. There was metastatic tumor involvement of the lymph nodes in only 3 of the malignant tumors.