Imaging for early stage breast cancer

Fat necrosis

a

c

d

b

Radiologic features of fat necrosis:

(a) Oil cysts without calcification;

(b) Pseudocyst with benign-type macrocalcification;

(c) Pseudocysts with ring-like coarse calcification;

(d) Benign-type macrocalcification without cyst formation.

University Hospital Erlangen

Lovey et al. Fat necrosis after partial-breast irradiation with brachytherapy or electron irradiation versus standard whole-breast radiotherapy — 4-year results of a randomized trial; Int. J. Radiation Oncology Biol. Phys., Vol. 69, No. 3, pp. 724–731, 2007