Transrectal ultrasonography is the best technique for evaluating the ventral aspect of the lumbosacral and sacroiliac regions yet this diagnostic technique does not always lead to a final diagnosis of back pain in horses.

中文翻译：

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混合马群腰骶髂区解剖变异和获得性病理性骨变化的尸检超声和计算机断层扫描特征

经直肠超声检查是评估腰骶部和骶髂区腹侧的最佳技术，但这种诊断技术并不总能得出马背痛的最终诊断。