Lobular neoplasia: Is surgical excision warranted?

Vance Y. Sohn, Zachary M. Arthurs, Flora S. Kim, Tommy A. Brown

Research output: Contribution to journalArticlepeer-review

31 Scopus citations

Abstract

The treatment of breast cancer associated with lobular neoplasia detected on core needle biopsy (CNB) remains controversial. The purpose of this study was to review the prevalence of lobular neoplasia in CNB specimens and to correlate CNB pathology to final surgical pathology. Patients with lobular neoplasia were included for analysis in this retrospective review. Patients with concomitant malignant or atypical lesions were excluded. Method of initial diagnosis, clinical history, pathology results, and follow-up data were then analyzed. From January 1994 to December 2005, 5257 CNBs were performed at our tertiary level medical facility. Of patients with lobular neoplasia, 42 of 50 (84%) patients had atypical lobular hyperplasia, whereas 8 (16%) patients were diagnosed with lobular carcinoma in situ on CNB specimens. There were no associated malignancies in 21 patients who underwent immediate surgical excision. Of those patients who were serially followed, four developed malignancies at an average of 73 months after the sentinel diagnosis. Three of the four (75%) malignancies occurred in the ipsilateral breast. Patients with a diagnosis of lobular neoplasia by CNB should not routinely undergo an open surgical biopsy. Lobular neoplasia should only be considered a risk marker for future invasive breast cancer.

Original languageEnglish
Pages (from-to)172-177
Number of pages6
JournalAmerican Surgeon
Volume74
Issue number2
StatePublished - Feb 2008

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