[Forms of manifestations of breast cancer in sonography].

40 women with breast cancer were checked by the ultrasound Octoson technique and the results compared with the histological tumour types. We grouped the carcinomas into 3 types: scirrhous, solid or medullary, and the invasive lobular tumour. Our diagnostic ultrasound criteria: internal echoes, as well as contour and boundary echo, showed a close relationship to the histological types. Irregular internal echoes, spiculated contours and weak boundary echoes were seen in most cases with scirrhous or lobular carcinomas, whilst the other histological types also showed characteristics similar to benign tumours such as absent internal echoes, regular contours and strong boundary reflexions. The criterion "shadowing" was not closely related to the degree of internal echoes either. Hence, a needle biopsy under ultrasound control should be performed to verify the diagnosis in all doubtful cases.