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Skeletal Radiology
Published in: Skeletal Radiology 4/2019

01-04-2019 | Scientific Article

Ultrasound-guided injection for the diagnosis and treatment of posteromedial knee friction syndrome

Authors: F. Joseph Simeone, Arvin Kheterpal, Connie Y. Chang, William E. Palmer, Miriam A. Bredella, Ambrose J. Huang, Martin Torriani

Published in: Skeletal Radiology | Issue 4/2019

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Abstract

Objective

To describe an ultrasound guided injection technique for diagnosing and treating posteromedial knee friction syndrome, which occurs between the sartorius/gracilis tendons and medial femoral condyle (MFC).

Materials and methods

Our study was IRB-approved and HIPAA-compliant. We identified patients via a retrospective review of medical records and MRI with posteromedial knee pain and isolated edema between MFC and sartorius/gracilis tendons and no evidence for meniscal tear, ruptured Baker’s cyst or degenerative joint disease. Patients were referred for an ultrasound-guided procedure to inject anesthetic and corticosteroid at the site of edema. Procedures were evaluated for technical success, which was defined as satisfactory identification of the injection site and adequate delivery of medication. Follow-up was available up to 8 weeks after the procedure to determine the response and any potential complications.

Results

Fourteen subjects with MRI and symptoms of posteromedial knee friction syndrome underwent 14 injections. Technical success was achieved in all procedures, with no complications. At 8 weeks’ follow-up, 92% of patients had symptom improvement. VAS before and 8 weeks after the procedure changed from 5.2 ± 2.7 to 0.9 ± 2.1 (p = 0.0002), respectively.

Conclusion

Ultrasound-guided injection of edema between the MFC and sartorius/gracilis tendons supports the diagnosis of a posteromedial knee friction syndrome and successfully treats its associated symptoms.
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Metadata
Title
Ultrasound-guided injection for the diagnosis and treatment of posteromedial knee friction syndrome
Authors
F. Joseph Simeone
Arvin Kheterpal
Connie Y. Chang
William E. Palmer
Miriam A. Bredella
Ambrose J. Huang
Martin Torriani
Publication date
01-04-2019
Publisher
Springer Berlin Heidelberg
Published in
Skeletal Radiology / Issue 4/2019
Print ISSN: 0364-2348
Electronic ISSN: 1432-2161
DOI
https://doi.org/10.1007/s00256-018-3060-z

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