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Deltoid Ligament: Sagittal Plane

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Sagittal projection for the deltoid, not my

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most favored nation status, but we do get an

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excellent look at the tibia and the medial

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malleolus with the anterior fibunculus,

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the interfunicular groove, and the posterior

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funiculus, which should be described if there

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are injuries in any one of these locations.

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But my main objective is to show you

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the deep deltoid in this projection.

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We've got the anterior fibers of

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the deep deltoid, and the posterior

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fibers of the deep deltoid on T1.

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We see them on T2 with some fat suppression.

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Not so much on gradient echo due to magic angle

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effect and due to volume averaging phenomenon.

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Now what about the superficial ligaments?

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That is not really the strength

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of the sagittal projection, so I'm

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not going to do a deep dive on it.

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But if we were to try and pick out portions

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of the medial complex that could be relevant,

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one would be the transverse structure

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running from the calcaneus to the navicular

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known as The superior calcaneonavicular

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ligament, and we see a little bit of it.

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Now, we already said that this ligament is

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going to run in this direction, like this.

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And from the tibia, more superficially,

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you're going to see fibers that

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come down to it and meet it.

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And this is known as the tibial spring ligament.

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We've also said previously, there are

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actually three components that get gradually

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thinner of the spring ligament complex,

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and those have been described in detail.

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in the axial or paraxial

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projection with the toe pointed.

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So, now, I'd like to, uh, ask you to

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go back and review some of the other

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projections, like the paraxial with

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the foot plantar flexed and the coronal.

Report

Description

Faculty

Stephen J Pomeranz, MD

Chief Medical Officer, ProScan Imaging. Founder, MRI Online

ProScan Imaging

Tags

Musculoskeletal (MSK)

MSK

MRI

Foot & Ankle

Acquired/Developmental

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