Preoperative diagnosis of breast abnormalities is currently the standard of care. A population-based study to determine the use of percutaneous needle biopsy for breast diagnosis in Ontario was performed.
Department of Surgery, Division of Surgical Oncology, Sunnybrook Health Sciences Centre, 2075 Bayview Avenue T2-015, M4N 3M5, Ontario, Canada. laire.holloway@sunnybrook.ca