Peroneal tendon pathology evaluation using the oblique sagittal plane in ankle MR imaging

Park, Hyojin; Lee, So Yeon; Kim, Eugene; Kim, Mi Sung; Chung, Eun Chul; Choi, Seon Hyung; Yun, Ji Sup

doi:10.1177/0284185115597264

Cited by 6 publications

(1 citation statement)

References 12 publications

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“…[26,27] More recently, imaging the peroneal tendons in oblique planes has shown potential for improved diagnostic performances compared to traditional orthogonal planes. [6,28] However, utilization may be limited by hardware and/or technical expertise.…”

Section: Discussionmentioning

confidence: 99%

Improving pre-operative MRI diagnosis of peroneal tendon tears with a new objective sign and assessing the value of peroneus brevis fatty atrophy

Wang

Harris

Boubalos³

et al. 2022

IJMSR

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Objectives: We aimed to compare the diagnostic performance of an objective set of magnetic resonance imaging (MRI) criteria named the cleft sign with traditional reads for pre-operative diagnosis of peroneal tendon tears. We also investigated the relationship between peroneus brevis tendon tears and muscle quality. Material and Methods: Two blinded readers retrospectively and independently evaluated pre-operative ankle MRI studies of 38 patients who had undergone peroneal tendon surgery for peroneal tendon tears, peroneus brevis muscle quality, and the cleft sign. MRI examinations from 38 control subjects were also reviewed for peroneus brevis muscle quality. The diagnostic performances of MRI for peroneal tendon tears with and without application of the cleft sign were analyzed. The correlation between peroneus brevis fatty atrophy and tendon tears was also examined. Results: In patients without prior peroneal surgery, the sensitivity and specificity of MRI for peroneus brevis tendon tears were 60%/89% and 80%/78% for readers 1 and 2, respectively. Application of the cleft sign significantly increased sensitivity in reader 1 to 95%, with a non-significant increase in accuracy in both readers. The interobserver reliability for the cleft sign was moderate for peroneus brevis (κ = 0.57). No significant difference in peroneus brevis muscle quality was present between subjects with and without peroneus brevis tendon tears and between surgical and control patients. Conclusion: In patients without prior peroneal tendon surgery, the cleft sign can significantly improve reader diagnostic sensitivity for peroneus brevis tears. The muscle quality of the peroneus brevis has limited value in MRI diagnosis of peroneal tendon tears.

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