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45 yr old female presents for screening mammogram

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Okay case number two. So 45 year

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old female presenting for screening mammogram. So remember screening

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is important as opposed to diag.

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This is not the best image, but

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I'm circling calcifications. Okay, so remember

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a screening exam.

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What by Reds are you going to get? I'm sorry. It's a buy red zero.

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They're gonna get a further work up. My question to

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you is what views are

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you going to recommend to assess these calcifications?

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Do you want to get spot compression in the CC and ml

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but magnification in the CC and mlo or

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spot magnification in the ccnml?

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They kind of all sound the same, but they're very different.

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Okay good. So exactly so it's it's

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C spot magnification in the CC

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and ML and I want to drive this point home because there is

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really no reason to ever get

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a magnification. Mlo. So repeat

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that again slowly. There's no indication to ever

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get magnification views in an mlo projection. You

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always want to get a true lateral projection. And

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the reason is because you want to

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let them layer the reason you're getting a true

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lateral is you think they might be milk of calcium. You

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want to see them layer on the true lateral view. I'm

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going to go over milk of calcium protocol in a minute, but there's no

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indication for mlo that will not let them layer. So

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always always get you're gonna get magnification views

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get a cc and ml you can either get spot magnification

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or you can get full field magnification doesn't matter.

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But the point is you can get Cc or ml.

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So here is the CC.

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Where they look a little bit smudgy if you'd

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say and here's the true lateral where you see this type of

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tea cupping and that's really what we're looking for. This

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would be what by Reds

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would this be then based on what I just showed you.

2:02

Okay, good. I'm glad that some people got this wrong. So

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this is a very classic case of milk of calcium. It's

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benign. It's a bi-reds too. And that's

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the reason we are getting these true lateral views. So

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milk of calcium. Well milk of calcium is

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I'm going to go into it in a minute. I just

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wanted to a moment about magnification views. They're

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always used for milk of cow. I'm sorry, they're always used for calcifications. It

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uses a smaller focal Zone rather than

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the typical mammogram point one millimeters versus 0.3

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millimeters. You don't use a grid like other

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types of magnification instead you're using an air gap, which

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I'm going to show you in a minute.

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So basically, this is the

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picture that of course we're going to lose this picture when it

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we actually show this on online because they

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don't have I don't have copyright to this image. But basically you're

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taking the object away from the detector. I'm

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sorry from the receptor which creates the magnification. So

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this is one type of this is

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a Formula. You need to know from your board. So

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this the

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The the image distance source to

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image distance over the source object distance is what

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creates a calcific the magnification so instead of

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placing it exactly you're

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gonna you're gonna place an air get you're going to remove the breast from

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the detector and that's

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what causes a magnification by bringing it close through the

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receptor. It's going to make a magnification view. So magnification

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views. Like I said, there's no indication for

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an mlo I'm going to repeat that again. No indication for

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mlo mag. The reason you're doing this

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is you want to see if it's milk of calcium. So if it's milk of

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calcium

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It's going to look like layering in the bottom of a teacup on

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that true lateral view. It's this layering

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appearance and it's going to be you're gonna be smudgy or

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even hard to see on the CC. And then what you

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do is you you get the CC mags first

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the tech shakes the breasts and weights five

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minutes and places them in compression. And then you

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get the ml mag and you're basically letting the calcium kind of

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fall to the bottom of the cyst. This is caused by cyst

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calcium insists and it's benign. So

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if you ever see that layering appearance or trying to

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say it's milk of calcium, it's a bi Reds tube benign.

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Okay. Hope that's helpful. So like I said, you can get full field

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or spot magnification views full field

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you want to do if it's a large area of calcifications or

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you're trying to get some Anatomy anatomic landmarks

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to make sure you got the right area spot magnification

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you want to use that if you

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have a mass or asymmetry associated with

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the calcifications and you want that to go away or look

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at a little bit better. So basically you're you're

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applying compression, but you're also getting magnification. The

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the drawback is that they're it's

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a smaller field of view. So you're not you really

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kind of have to be more accurate the tech has to be more accurate with

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what they're magnifying as opposed to a full field map.

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Which lets you see more anatomic landmarks.

Report

Faculty

Robyn G Roth, MD

Women's Imaging Fellowship Director, Assistant Professor of Radiology

Cooper University Hospital

Tags

Screening

Oncologic Imaging

Mammography

Breast