RT Journal A1 GOLDMAN H T1 FIne-needle aspiration for breast masses JF Archives of Surgery JO Archives of Surgery YR 1989 FD April 1 VO 124 IS 4 SP 510 OP 510 DO 10.1001/archsurg.1989.01410040120033 UL http://dx.doi.org/10.1001/archsurg.1989.01410040120033 AB To the Editor.–If fine-needle aspiration is to make an economic impact on medical care, it must do so by eliminating surgery for benign lesions. This has been accomplished in the management of thyroid lesions, as documented in numerous studies.1-3In the recent report from Seattle, Wash, published in the January 1988 issue of the Archives, this point was not made for breast fine-needle aspiration.4 In fact, there were errors in the calculations presented in Table 2 of that report. If one defines "positive" as any result requiring biopsy and "negative" as indicating conservative close follow-up only, then the calculations are as appear in the accompanying Table.Despite these adjustments, the persistent flaw of the study lies in the five fine-needle aspiration negative results that were biopsy positive. Other studies have shown better results.5-7 One wonders whether increased proficiency with the technique of fine-needle aspiration could have