Evaluation of subskapularis and biceps tendons by MRI and share-wave ultrasound elastography

Abstract

Background: To investigate the relationship between the T2A signal intensity values of subscapular and biceps tendons and the velocity values obtained by the Share-wave Elastography examination.

Methods: Simultaneous Share-wave Elastography examination was performed to patients who were admitted to our MRI department for shoulder MRI request from different outpatient clinics. Share-wave Elastography examination was performed for subscapularis and biceps tendons. In T2A images, the intensity values of the subcapularis tendon and biceps tendon were measured in the axial plane through the insersio level of the subscapularis and in the axial section where the biceps tendon was observed in the bicipital groove. The MRI and Share-wave Elastography values were evaluated using the Spearman’s correlation test for the correlation of both tendons.

Results: There was a negative correlation between subscapularis tendon signal intensity values and Share-wave Elastography values (p = 0.048, rho = -0.447). There was no correlation between these two values in the biceps tendon.

Conclusions: Share-wave Elastography examination is a diagnostic method that allows quantitative evaluation of tendon pathologies.

Keywords: 

Subskapularis ve Biseps Tendonlarının MRG ve Share-wave Ultrason Elastografi ile değerlendirilmesi

Abstract

Amaç: Subskapularis ve Biseps Tendonlarına ait T2A sinyal intensite değerleri ile Share-wave Elastografi (SWE) incelemesi ile elde edilen hız değerleri arasında ilişkinin araştırılması

Materyal ve metod: MR ünitemize farklı polikliniklerden omuz MR istemi sonucu gelen hastalara eş zamanlı Share-wave Elastografi incelemesi yapıldı. Share-wave Elastografi incelemesi subskapularis ve biceps tendonlarına yönelik olarak yapıldı. T2A görüntülerde aksiyel planda subskapularis tendonunun insersio düzeyinden geçen kesitte ve biseps tendonundan bisipital oluk içerisinde izlendiği aksiyal kesitte ROİ kullanılarak intensite değerleri ölçüldü. MR ve Share-wave Elastografi incelemeleri sonucu elde edilen değerler ayrı ayrı her iki tendon için korelasyon yönünden Spearman’s korelasyon testi kullanılarak değerlendirildi.

Bulgular: Subskapularis tendonu sinyal intensite değerleri ile Share-wave Elastografi değerleri arasında negatif korelasyon saptandı (p=0.048, rho=-0.447). Biseps tendonunda bu iki değer arasında korelasyon izlenmedi.

Sonuç: Share-wave Elastografi incelemesi tendon patolojilerinde kantitatif değerlendirmeye olanak sağlayan bir tanı yöntemdir.

Keywords

• Subskapularis,Biseps,Shear-wave elastografi,MR

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