Infiltrating lobular breast carcinoma

Case contributed by Dr Garth Kruger

Presentation

Workup of a left breast density.

Patient Data

Age: 70 years
Gender: Female
Mammography

There is a subtle density just below the equator of the breast, anterior to the pectoral margin, new compared with previous studies.

Ultrasound

Ultrasound demonstrates a solid mass. 

Case Discussion

On biopsy, an infiltrating lobular carcinoma was demonstrated

We breast imagers sometimes miss the lobular carcinomas because they do not present mammographically like IDC. They rarely show calcification and they don't generally develop the density and spiculation we associate with IDC on mammograms.

Always compare with previous studies. Be aware of these lesions and the fact they may appear as very subtle developing densities on mammography. Be wary and attentive of any post-menopausal lady developing unexplained densities on mammography. Lastly, use a high index of suspicion.

Lastly: personally, I am looking forward to see what molecular breast imaging (MBI) is going to do in the diagnosis of these lesions.

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Case information

rID: 19782
Published: 11th Oct 2012
Last edited: 24th Apr 2021
System: Oncology, Breast
Inclusion in quiz mode: Included

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