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Eur J Radiol. 2015 Sep;84(9):1777-81. doi: 10.1016/j.ejrad.2015.05.021. Epub 2015 May 21.

Imaging of posterior tibial tendon dysfunction--Comparison of high-resolution ultrasound and 3T MRI.

Author information

1
Medical University of Vienna, Vienna General Hospital, Department of Biomedical Imaging and Image-guided Therapy, Währinger Gürtel 18-20, 1090 Vienna, Austria. Electronic address: michael.arnoldner@meduniwien.ac.at.
2
Medical University of Vienna, Vienna General Hospital, Department of Biomedical Imaging and Image-guided Therapy, Währinger Gürtel 18-20, 1090 Vienna, Austria.
3
Medical University of Vienna, Vienna General Hospital, Department of Trauma-Surgery, Währinger Gürtel 18-20, 1090 Vienna, Austria.
4
Foot & Ankle Centre Vienna, Alser Straße 43/8, 1080 Vienna, Austria.
5
Foot & Ankle Centre Vienna, Alser Straße 43/8, 1080 Vienna, Austria; Orthopaedic Hospital Vienna, Speisinger Straße 109, 1130 Vienna, Austria.

Abstract

PURPOSE:

Posterior tibial tendon dysfunction is the most common cause of acquired asymmetric flatfoot deformity. The purpose of this study was to determine and compare the diagnostic value of MRI and high-resolution ultrasound (HR-US) in posterior tibial tendon dysfunction (PTTD), and assess their correlation with intraoperative findings.

MATERIALS AND METHODS:

We reviewed 23 posterior tibial tendons in 23 patients with clinical findings of PTTD (13 females, 10 males; mean age, 50 years) with 18MHz HR-US and 3T MRI. Surgical intervention was performed in nine patients.

RESULTS:

HR-US findings included 2 complete tears, 6 partial tears, 10 tendons with tendinosis, and 5 unremarkable tendons. MRI demonstrated 2 complete tears, 7 partial tears, 10 tendons with tendinosis, and 4 unremarkable tendons. HR-US and MRI were concordant in 20/23 cases (87%). Image findings for HR-US were confirmed in six of nine patients (66.7%) by intraoperative inspection, whereas imaging findings for MRI were concordant with five of nine cases (55.6%).

CONCLUSION:

Our results indicate that HR-US can be considered slightly more accurate than MRI in the detection of PTTD.

KEYWORDS:

High-resolution ultrasound; Posterior tibial tendon

PMID:
26037267
DOI:
10.1016/j.ejrad.2015.05.021
[Indexed for MEDLINE]

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