Lobular carcinoma left breast

Case contributed by Dr Garth Kruger

Presentation

Routine screening study 2009 left breast

Patient Data

Age: 70 years
Gender: Female
Modality: Mammography

Note the small rounded density just below the equator of the breast.

Modality: Mammography

The next cc view is in 2010.

Modality: Ultrasound

This lesion was called a cyst. Birads 2 follow up in 1 year.

Modality: Mammography

The cc view of 2010. The lesion has now changed markedly in the breast of a postmenopausal woman.

Modality: Ultrasound

Lobulated, bizzare shaped hypoechoeic lesion, having thick wall. 

Case Discussion

This is a biopsy confirmed lobular carcinoma breast.

This case has several teaching points:

1. Not all hypoechoic lesions are cysts.

2. A simple cyst should be simple. Look at the ultrasound carefully; this is not a simple cyst.

3. Beware any developing lesions in the breast of a postmenopausal woman. It's read flag.

The article in the reference is a very good summary of why lobular carcinomas are what they are and why we miss them. 

Teaching point: not all hypoechoic structures in the breast are cysts. Compare case 21370.

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Case Information

rID: 21371
Case created: 19th Jan 2013
Last edited: 25th Mar 2017
System: Breast
Inclusion in quiz mode: Included

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