Non-palpable tumour of the breast—radiological presentation

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Abstract
From 1977-1979, mammographic spot localizations were performed in 52 patients for evaluation of suspected occult neoplasms. On biopsy, 28 patients were found to have a malignancy; on the remaining 24 patients the finding proved to be benign. The mammographic abnormalities were divided into 2 groups: those associated with microcalcification and those in which the abnormality was manifested by a small mass or localized distortion of the breast parenchyma. In many instances, it was not possible to differentiate benign disease from malignancy on the mammogram. None of the 28 patients with malignant tumor had axillary node involvement at surgery.