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Japanese Journal of Radiology

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01-11-2020 | Original Article

Evaluation of the medial rectus muscle and optic nerve using strain and shear wave elastography in Graves' patients

Authors: Adnan Özdemir, Mehmet H. Şahan, Neşe Asal, Mikail İnal, Aşkın Güngüneş

Published in: Japanese Journal of Radiology | Issue 11/2020

Abstract

Purpose

The purpose of this study was to describe the elastic properties of the medial rectus muscle and optic nerve in Graves’ patients without clinically apparent ophthalmopathy using strain elastography (SE) and shear wave elastography (SWE) and to determine whether these elastic properties could be used to aid in the diagnosis of the medial rectus muscle or optic nerve involvement.

Materials and methods

Thirty participants diagnosed with Graves’ disease without ophthalmopathy and 30 healthy volunteers (control group) were prospectively examined between November 2018 and August 2019. SE and SWE findings in both groups were compared using the χ² test and the independent samples t test.

Results

A statistically significant softening of the medial rectus muscle was observed in the SE patterns of the Graves’ patients (p = 0.009). A statistically appreciable distinction was observed between the medial rectus muscle (7.64 ± 2.1 and 9.20 ± 1.7 kPa, p = 0.000) and the optic nerve (8.35 ± 2.8 and 9.37 ± 1.5 kPa, p = 0.019) in the SWE modulus of the Graves’ patients and healthy volunteers.

Conclusion

SE and SWE can be used to identify structural alterations to the medial rectus muscle and optic nerve before clinically apparent Graves’ ophthalmopathy has developed.

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Title: Evaluation of the medial rectus muscle and optic nerve using strain and shear wave elastography in Graves' patients
Authors: Adnan Özdemir
Mehmet H. Şahan
Neşe Asal
Mikail İnal
Aşkın Güngüneş
Publication date: 01-11-2020
Publisher: Springer Japan
Published in: Japanese Journal of Radiology / Issue 11/2020
Print ISSN: 1867-1071
Electronic ISSN: 1867-108X
DOI: https://doi.org/10.1007/s11604-020-01014-3

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

Evaluation of the medial rectus muscle and optic nerve using strain and shear wave elastography in Graves' patients

Abstract

Purpose

Materials and methods

Results

Conclusion

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

Abstract

Purpose

Materials and methods

Results

Conclusion

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