Case # 9                                       <<Back    Next>> 

 64 year old female with enlarging nodule at 3:00 position
Mammogram MLO views

1999 outside study
2002		 
 
Ultrasound - Mass corresponded to cyst with adjacent (mammographically occult) mass 
 
Sagittal T2W FS 
MRI: Cyst identified, adjacent mass not visualized
Enhancement curve
Subtraction


First post-enhancement phase


Third post-enhancement phase

 
Progressive focus of enhancement in region identified by ultrasound
Diagnosis: Invasive lobular carcinoma
Lobular carcinoma can appear as progressive enhancement without a focal mass on MRI. 
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