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Normal Findings - Palpable Lump Unilateral Axillary

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In this case, we have a 44 year old female presenting with a

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palpable abnormality in the left axillary tail or left axilla. We're looking

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for further evaluation. In our institution, we get,

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since it's this particular patient, this was her baseline exam, so we get

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the standard screening views, CC and MLO projections. Again, looking at

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image quality, you see that this is a pretty good exam.

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Some asymmetry in breast size, left side being a little bit larger than

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left. This pec is a little bit concave,

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but overall, pretty decent exam. As we move on to getting,

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just focusing on the left hand side, I'm going to pull down our

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left CC, our left MLO. Now the first thing that you might notice

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is that there's no marker on the left CC to know where the

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palpable finding is. This is likely related to the fact that this area

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just cannot be imaged if it's high up in the axillary tail or

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even in the axilla itself. The technologist probably wasn't able to get

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that in. Occasionally, we may be able to see that marker on an XCCL view

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if it's far enough or just lateral enough and we can barely get

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it on there, but in this case, that didn't work.

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So we'll focus just on the MLO view for this case.

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You can see our palpable BB marker here, high up in the left breast. And

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underlying on this SM view, we can see a little bit of kind of wispy, what

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looks like normal glandular tissue at this point. At our institution,

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we got a spot compression view and our technologist was able to do

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that view high up in this left breast.

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As I switch over to the DBT slices,

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we'll start in the lateral aspect and scroll medially. We'll stop just momentarily

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on the palpable BB marker and underline, we can see some wispy fiber glandular

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tissue, but no definite underlying mass. Now, of course, we'll scroll through

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the whole imaging set just to make sure that we don't see anything.

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And we'll also make sure we look sort of deeper into the tissue.

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We see the pectoralis muscle here and some normal looking lymph nodes,

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but nothing in particular stands out in this case. Now based on this,

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I think most practices and most people would probably recommend an ultrasound

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at this point just to verify the fact that this is normal fiber glandular

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tissue, nothing to worry about. There are some people that would argue,

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though, however, that this mammographic finding that is basically

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no tissue or phenomenally fat, that you could potentially forego ultrasound

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in this case and just send the patient back for routine screening.

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You could also potentially ask this patient if this area, what this area

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feels like to her. She may say, well, I just feel a little

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bit thickened. I don't feel any particular mass. Those would all be

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markers that this is just normal fiber glandular tissue. And of course,

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one other potentially good question is to ask if this area became more

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tender or larger in size during pregnancy, if the patient had a history

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of pregnancy, because this glandular tissue is also hormonally sensitive

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and of course during pregnancy will also increase in size and patients may

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endorse that history further proving that this is just normal fiber glandular

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tissue.

Report

Description

Faculty

Ryan W. Woods, MD, MPH

Assistant Professor of Radiology

University of Wisconsin School of Medicine and Public Health

Tags

Women's Health

Ultrasound

Tomosynthesis

Mammography

Breast

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