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  • Title: Nonpalpable breast lesions: evaluation by means of fine-needle aspiration cytology.
    Author: Hann L, Ducatman BS, Wang HH, Fein V, McIntire JM.
    Journal: Radiology; 1989 May; 171(2):373-6. PubMed ID: 2539608.
    Abstract:
    A prospective study was undertaken to assess the utility of fine-needle aspiration (FNA) cytology in women with nonpalpable suspicious microcalcifications or masses detected at mammography. Ninety-six breast lesions were aspirated during wire localization with standard mammographic technique. Cytologic results were compared with surgical pathology results. Sixty-one of the 96 aspirates were adequate for diagnosis. Nine were positive for malignant cells; seven, suspicious; 12, atypical; and 33, negative. All lesions demonstrating positive or suspicious cytologic findings were found to be malignant at biopsy; five of the 12 with atypical cytologic findings were malignant. Of 33 lesions deemed negative by means of cytology, two were biopsy-proved carcinomas. Cytologic examination permitted accurate diagnosis of 21 of the 23 (91%) carcinomas in which an adequate sample was obtained. Insufficient cellular material was obtained from 35 lesions, 16 of which showed marked fibrosis at histologic examination. The authors conclude that FNA cytology can aid in establishing a diagnosis in many cases in which nonpalpable breast lesions are detected at mammography.
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