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Magnetic resonance imaging of equine stifles: Technique and observations in 76 clinical cases
Equine Veterinary Education ( IF 0.9 ) Pub Date : 2020-01-09 , DOI: 10.1111/eve.13248
M. Waselau 1 , A. McKnight 2 , A. Kasparek 1
Affiliation  

Magnetic resonance imaging (MRI) of equine stifle disorders is challenging. We describe a routine technique for low‐field stifle MRI under general anaesthesia in clinical cases and report the main findings. We hypothesised that MRI can be safely and routinely performed and portray bone and soft‐tissue pathology. In this retrospective study, medical records of 76 stifles with positive response to intra‐articular anaesthesia without abnormalities on conventional diagnostic imaging were reviewed for breed, age, gender, MRI anaesthesia time and findings. Under anaesthesia, limbs were extended in a rotating MR gantry. Different sequences in several planes were acquired in an average time of 62 min. In all horses, the stifle examinations were successful and complete. Typical MRI lesions included bone marrow lesions, osseous cyst‐like lesions, cruciate desmopathy, meniscal tearing or a combination thereof. Retrospective reviewing confirmed that initial radiographic and ultrasonographic images failed to identify these lesions. Surgically accessible lesions were confirmed in arthroscopy if exploration was indicated. However, MRI was useful to estimate extent of cruciate and meniscal pathology as well as bone marrow lesions and bone cystic‐like lesions more thoroughly. Our protocol allows for routine stifle MRI, independent of breed, age and gender. Based on our preliminary results, low‐field stifle MRI is safe and can delineate bone and soft‐tissue pathology. Low‐field MRI appears to be a promising approach for better understanding stifle pathology and thus treatment and prognosis.

中文翻译:

马窒息的磁共振成像:76例临床技术与观察

马窒息疾病的磁共振成像(MRI)具有挑战性。我们描述了在临床情况下全麻下低场窒息MRI的常规技术,并报告了主要发现。我们假设MRI可以安全且常规地进行,并可以描述骨骼和软组织的病理学。在这项回顾性研究中,回顾了76例对关节内麻醉呈阳性反应,无常规诊断影像异常的Stifles的医学记录,以了解其品种,年龄,性别,MRI麻醉时间和发现。在麻醉下,四肢在旋转的MR机架中伸展。在平均62分钟的时间内获取了几个平面上的不同序列。在所有马匹中,窒息检查均成功且完整。典型的MRI病变包括骨髓病变,骨样囊肿病变,十字形皮肤病,半月板撕裂或其组合。回顾性检查证实,最初的放射影像和超声影像未能识别出这些病变。如果需要进行探查,则可在关节镜下确认可手术切除的病变。但是,MRI有助于更全面地评估十字形和半月形病理以及骨髓病变和骨囊样病变的程度。我们的协议允许常规的窒息MRI检查,与品种,年龄和性别无关。根据我们的初步结果,低场窒息MRI是安全的,可以描述骨骼和软组织病理。低场MRI似乎是一种更好地了解窒息病理以及治疗和预后的有前途的方法。回顾性检查证实,最初的放射影像和超声影像未能识别出这些病变。如果需要进行探查,则可在关节镜下确认可手术切除的病变。但是,MRI有助于更全面地评估十字形和半月形病理以及骨髓病变和骨囊样病变的程度。我们的协议允许常规的窒息MRI检查,与品种,年龄和性别无关。根据我们的初步结果,低视场核磁共振成像是安全的,可以描述骨骼和软组织的病理学。低场MRI似乎是一种更好地了解窒息病理以及治疗和预后的有前途的方法。回顾性检查证实,最初的放射影像和超声影像未能识别出这些病变。如果需要进行探查,则可在关节镜下确认可手术切除的病变。但是,MRI有助于更全面地评估十字形和半月形病理以及骨髓病变和骨囊样病变的程度。我们的协议允许常规的窒息MRI检查,与品种,年龄和性别无关。根据我们的初步结果,低视场核磁共振成像是安全的,可以描述骨骼和软组织的病理学。低场MRI似乎是一种更好地了解窒息病理以及治疗和预后的有前途的方法。MRI有助于更全面地评估十字形和半月形病理的范围以及骨髓病变和骨囊样病变。我们的协议允许常规的窒息MRI检查,与品种,年龄和性别无关。根据我们的初步结果,低视场核磁共振成像是安全的,可以描述骨骼和软组织的病理学。低场MRI似乎是一种更好地了解窒息病理以及治疗和预后的有前途的方法。MRI有助于更全面地评估十字形和半月形病理的范围以及骨髓病变和骨囊样病变。我们的协议允许常规的窒息MRI检查,与品种,年龄和性别无关。根据我们的初步结果,低视场核磁共振成像是安全的,可以描述骨骼和软组织的病理学。低场MRI似乎是一种更好地了解窒息病理以及治疗和预后的有前途的方法。
更新日期:2020-01-09
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