The value of full field digital mammography in diagnosis of clinically nonpalpable breast cancer

Objective To investigate the value of full field digital mammography ( FFDM ) in diagnosis of clinically nonpalpable breast cancer.Methods Clinically nonpalpable breast cancer was found in 32 cases by FFDM.All the lesions were operated after being orientated either by wires or injection methylene blue guided by FFDM.Results The locations of 33 malignant lesions in 32 patients were located succeefully at the first time.Pathological diagnosis was invasive ductal adenocarcinoma in 7cases,intraductal carcinomas accompanying focal infiltration in 8 cases,lobular carcinoma in situ in 1 case,intraductal carcinoma accompanying Paget's disease in 1 case,intraductal carcinomas in 15 cases(1 bilateral lesions).Surgery was performed in all patients.Conclusion FFDM is valuable for early diagnosis of clinilally nonpalpable breast cancers.