synovitis mri ighl shoulder

MRI Synovitis Specific sites in the Shoulder: The Inferior GlenoHumeral Ligament

MRI Synovitis Specific sites in the Shoulder: How IGHL looks:

 

At our MRI workshops we have an Open Mic policy. People are encouraged to interrupt and ask questions at anytime because its best to clear doubts at the time topics are being discussed rather than wait till the end or never get to asking it at all. One of the more consistent questions is about synovitis in the shoulder where certain sites are specifically involved and don’t have the typical appearance of synovitis we discussed in the last post The Many Faces of Synovitis.
In the shoulder there are two specific areas affected which are really a mixture of synovitis and capsulitis, the Inferior Gleno Humeral Ligament (IGHL) and the Rotator Interval. Lets look at the IGHL in this post.

 

The IGHL, is normally black on PD and PDFS scans and is relatively thin.

Synovitis-MRI-IGHL-Normal-radedasia

Image above: Yellow arrows normal IGHL low signal on PD. Normal thickness.

 

With capsulitis/synovitis, the IGHL thickens and becomes hyper-intense on the PD and PDFS scans.

IGHL-synovitis-thickening-radedasia

Image above: Diffuse thickening and increased PD signal of the IGHL (yellow arrows).

IGHL-Capsulitis-shoulder-mri-radedasia

Image Above: Thickened IGHL with significant increase in signal on the PDFS image (first image).

 

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What’s the Purpose of the Tuesday Tips? Many of the Tuesday Tip posts arise from questions or difficulties that people bring up in the Mini Fellowships. These posts are meant to be short and concise to answer those questions.

 

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