APBI 2016

Resection margin and residual disease

Japanese point of view

APBI relevant summary of computer assisted tumor mapping:

1.

Distance of intraductal tumor extension:

22,7 mm for pts. <30 y. 14,3 mm for pts. 30-40 y. 6,7-7,7 mm for pts. >40 y.

2. The average maximum distance of extension was 11.9 mm . (Patients 50 years of age had a maximum extension of 8 mm.)

3. In contrast to Holland’s study, the mean tumor size in this study was only 1.7 cm.

Ohtake T, Abe R, Kimijima I, et al. Intraductal extension of primary invasive breast carcinoma treated by breast-conserving surgery. Computer graphic three-dimensional reconstruction of the mammary duct-lobular systems. Cancer 1995;76: 32–45.

University Hospital Erlangen

Target definition - BACKGROUND