Coronal Anatomy: Bony Anatomy
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Welcome to MRI online, coronal bony anatomy.
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Oh, it's delicious.
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Because it's like an AP radiograph of the wrist.
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All you have to do is remember, never
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lower Tilly's pants mother might come home.
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Those are the bones.
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So we've got navicular, lunate, triquetrum,
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pisiform, multangular, multangular, greater
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and lesser multangular, also known as
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trapezium and trapezoid, capitate, capitate.
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And in the axial projection, you're
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going to see the hamulus or hamate hook.
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Well, that's pretty simple.
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Then we've got the radius and the ulna.
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The ulna fits in the sigmoid notch of the radius,
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also known as the ulnar notch, and we'll pay
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very close attention to the relationship and
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congruence of this area and look for fluid as
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an indirect sign of a problem with the TFC.
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We're interested in the status, the
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smoothness, the congruity with the adjacent
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soft tissues of the ulnar fovea or fossa.
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We're looking at the shape or lack thereof,
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blunting, overgrowth, fracture, fragments
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distal to it of the ulnar styloid.
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We're looking at the lunate fossa of
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the radius and looking at the congruence
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and cartilage relationship of both.
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And we're looking, importantly, at the scaphoid
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fossa of the radius, for this is where the
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changes of slack wrist, or scapholunate
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advanced collapse, may manifest themselves
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and add to our grading system for slack wrist.
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Don't forget, you're also going to be
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evaluating the carpo metacarpal junctions for
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erosions, especially in laborers and people
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with So that's basic, basic bony anatomy.
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Thank you.
Stephen J Pomeranz, MD
Chief Medical Officer, ProScan Imaging. Founder, MRI Online
ProScan Imaging
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