Annals of Surgical Oncology, Vol 3, Issue 5 483-488, Copyright © 1996 by Society of Surgical Oncology

ARTICLES

Surgical biopsy findings in patients with atypical hyperplasia diagnosed by stereotaxic core needle biopsy

I. Tocino, B. M. Garcia and D. Carter
Department of Radiology, Yale University School of Medicine, New Haven, CT 06520-8042, USA.

PURPOSE: To correlate the stereotaxic core needle biopsy results with those of surgical biopsy in patients with atypical lobular or ductal hyperplasia (atypical hyperplasia) diagnosed at stereotaxic core needle biopsy (SCNB). METHODS: We retrospectively reviewed the mammograms and pathology reports of 358 consecutive SCNBs performed in 323 patients. The results of SCNBs of 22 lesions reported as atypical hyperplasia were correlated with histologic findings at surgical biopsy. RESULTS: A histologic diagnosis of atypical hyperplasia at SCNB was found to be a poor predictor of the final surgical results. In the 19 patients with 22 lesions, surgical biopsy and SCNB results were in disagreement in 16, partial agreement in two, and complete agreement in only four lesions. Furthermore, five cases of atypical hyperplasia were shown to have invasive carcinoma on open biopsy, and five had ductal carcinoma in situ in the surgical biopsy, none of which was present on SCNB. CONCLUSION: Given the frequent occurrence of malignancy in patients diagnosed with atypical hyperplasia by SCNB, it is recommended that all such patients undergo excisional biopsy.

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