Impact of fine-needle aspiration cytology, ultrasonography and mammography on open biopsy rate in patients with benign breast disease

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Abstract
The management of breast disease has been influenced by breast imaging and fine-needle aspiration cytology (FNAC) for preoperative diagnosis. To investigate the impact of introducing an in-clinic FNAC service on patient management, the pathology records of patients presenting before and after introduction of the service were studied. Four management changes emerged. The number of patients investigated by histology and/or cytology increased (from 266 to 503), as did specimen numbers (392 to 728). The use of pathological services changed, with more cytology specimens (39 to 554), fewer needle-core biopsies (62 to three) and fewer excision biopsies (245 to 118). The number of patients admitted for surgery fell, especially those with a benign histological diagnosis (174 to 49). These figures demonstrate a change in the management of benign breast disease, from surgery with histopathological diagnosis to cytological diagnosis with surgery only if indicated clinically or from imaging.