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Coronal Anatomy: Extrinsic Ligaments Part 4

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Here's a coronal T1 MRI,

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a little more ulnar or mesially.

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We have this structure right here, which is the

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radiolunate ligament or radiolunatotriquetral ligament.

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But the one we're more interested in

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is this one that goes across the waist

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and more distal aspect of the scaphoid.

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You can't actually see the origin very well from the

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radial styloid, but it's right back in this locus here.

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And then we follow it up towards the capitate,

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and we can vaguely get an idea of where

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it inserts on the base of the capitate.

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The radioscaphocapitate, or sling ligament,

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supporting stabilization of the scaphoid,

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along with the scapholunate ligament, which

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we also see, and the scaphotrapeziotrapezoid

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ligaments, which we have pointed out before.

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Faculty

Stephen J Pomeranz, MD

Chief Medical Officer, ProScan Imaging. Founder, MRI Online

ProScan Imaging

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Non-infectious Inflammatory

Musculoskeletal (MSK)

MRI

Idiopathic

Hand & Wrist

Congenital

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