We report appearance of two cases of metastases to the breast on MR mammogr
aphy. Metastasis from cervical cancer displayed a hypointense tumor with a
central area of high signal intensity on T2-weighted images and rapid annul
ar enhancement with persistent central contrast enhancement. The metastases
from rhabdomyosarcoma were characterized by multiple tumors with high sign
al intensity on T2-weighted images and fast annular contrast enhancement. W
e show unusual malignant breast lesions for possible identification in dyna
mic MR mammography.