Journal: Quantitative Imaging in Medicine and Surgery

Article Title: Quantitative analysis of paravertebral muscle asymmetry and its correlation with spinal deformity in patients with degenerative lumbar scoliosis: a retrospective case-control study

doi: 10.21037/qims-23-1668

Figure Lengend Snippet: Degenerative lumbar scoliosis radiography. (A) Delineation of paraspinal muscles in axial CT images. (B) Axical CT; Ho’s method. (A) is located at the junction of the inner surfaces of two laminae; (B) and (C) are situated at the corresponding junctions of the inner surfaces of the laminae and pedicles; the angle α between the bisector of the (BAC) angle and the sagittal plane is defined as the apical vertebral rotation angle; (C) standard anteroposterior radiography; line a is parallel to the upper endplate of the upper vertebra, while line b is parallel to the lower endplate of the lower vertebra; the angle between lines a and b is known as the Cobb angle; (D) standard lateral radiography; line c is parallel to the upper endplate of L1, while line d is parallel to the upper endplate of S1; the angle between lines c and d is known as the lumbar lordotic angle. PM, psoas major; MF, multifidus; ES, erector spinae; CT, computed tomography.

Article Snippet: Standard anteroposterior radiography images were obtained using the Siemens digital radiography (Siemensysio, Siemens, Germany) and a PACS (v.3.0, Infinitt, Shanghai, China) system.

Techniques: Muscles, Computed Tomography