Fine-Needle Aspiration Biopsy of Palpable Breast Masses: Patterns of Clinical Use and Patient Experience

Background: Timeliness is an important and recognized measure of health care quality. Multiple health organizations worldwide have published timeliness targets for breast cancer care. We performed the first comparison of patient wait times and utilization patterns for palpable breast mass diagnosis and treatment with regard to biopsy method. Patients and Methods: Palpable breast masses in women biopsied via a fine-needle aspiration (FNA) or core biopsy at 2 affiliated academic medical centers in 2009 were analyzed if subsequently treated with excision or neoadjuvant therapy. Patient demographics, mass size and radiologic features, pathology diagnoses, and wait times to diagnosis and treatment were recorded. Results: Patients diagnosed by FNA biopsy received their biopsy diagnosis more than 8 days sooner than those diagnosed by core biopsy. Most FNA biopsies occurred the same day the patient clinically presented. Time to treatment did not differ significantly between groups. Both biopsy methods demonstrated comparable diagnostic accuracy. Breast masses diagnosed by FNA biopsy had Breast Imaging Reporting and Data System (BI-RADS) scores ranging from 1 through 5, whereas nearly all core biopsy cases had a BI-RADS score of 4 or greater. All patient groups were demographically comparable and presented with similar breast mass sizes. Conclusions: Wait times for breast biopsies were significantly shorter for patients diagnosed by FNA compared with core biopsy. FNA biopsy was often used to evaluate breast masses of low clinical suspicion. In light of health care goals for practice improvement and cost containment, breast FNA biopsy may be an underused resource.

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