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<v ->We talked yesterday

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about the subacromial, subdeltoid, subcoracoid bursa.

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I wanted to just include a couple of other illustrations

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to show you why we do have difficulty in this.

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"A." here is the

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subscapular recess of the glenohumeral joint.

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This is in the sagittal plane,

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the axial plane, and in the coronal plane.

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It is part of the joint,

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and fluid can collect within it,

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and, by the way, when you have adhesive capsulitis,

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a lot of times all of the fluid ends up

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in the subscapular recess of the glenohumeral joint.

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In front of it, here, we have the subcoracoid bursa,

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and, as I indicated yesterday,

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there is normally no connection between the two.

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Here is the subcoracoid bursa here,

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and you can see it intimate with,

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but not connecting to, the subscapular recess.

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And then you can appreciate

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the subacromial-subdeltoid bursa,

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which may or may not communicate

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with the subcoracoid bursa.

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So we do end up with problems,

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and here's an example.

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Trying to say, what's in the joint

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and what's in the bursa?

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Now the clue is,

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and this is a patient who has some synovial proliferation,

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is to find these little areas

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of intermediate or low signal,

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presumably representing the peripheral synovial lining.

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And that would tell you if you have

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a lot of fluid outside of that,

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anterior and inferior to it,

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you do have fluid within the subcoracoid bursa.

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In this case, also fluid within

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the subacromial-subdeltoid bursa.

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With that said, we've reached the end of our first segment.

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I'm gonna turn to Carlos Longo

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to go over our first series of cases.