General Surgery
نویسندگان
چکیده
36 SAJS VOL. 52 NO. 2 JUNE 2014 The Breast Imaging Reporting and Data System (BIRADS) classification has been developed for both ultrasound and mammography.[1] ‘BIRADS 2 lesions are described as benign findings inclu ding intramammary nodes and breast implants. BIRADS 3 lesions are probably benign lesions including non calcified circumscribed lesions.’[2] Lesions classified as BIRADS 3 and 4 require 6 months’ followup and core biopsy, respectively,[2] the latter providing histological confirmation and a definitive diagnosis. For all palpable solid masses that are circumscribed and not calcified, some authors continue to recommend a tissue diagnosis even when the features indicate that the mass is probably benign.[3] This point is controversial, however, and more data are required to determine whether the alternative of shortterm follow up can replace biopsy in these patients.[3] Patients in our breast imaging unit with benignappearing lesions >3 cm in diameter on ultrasound are currently undergoing biopsy owing to ongoing concern that a malignancy or phyllodes tumour might be missed. Biopsies are currently being performed on lesions with benign features on ultrasound examination, without adequate data on the true prevalence of malignancy and the spectrum of disease in our specific population. To the best of our knowledge, all research on BIRADS lesions has been performed on patients in Europe and North America. We decided to investigate the spectrum of disease in sonographically benign lesions >3 cm in our local population in Johannesburg, South Africa, which comprises a majority of black patients, to determine whether biopsy is indicated owing to a true risk of cancer in sonographically benign lesions, or whether patients can be followed up over 6 months as recommended by the BIRADS system. The use of core biopsies in our unit for sonographically benign lesions measuring >3 cm in their longest axis is primarily aimed at excluding phyllodes tumours.
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