Fig. 1 | Scientific Reports

Fig. 1

From: Magnetic resonance imaging thresholds and diagnostic accuracy in unilateral congenital superior oblique muscle palsy using the ESA method

Fig. 1The alt text for this image may have been generated using AI.

Magnetic resonance imaging-based assessment of the surface and area of the superior oblique muscle (SOM). Imaging sequence: High-resolution-3D-T2-gradient-echo CISS sequence centered on the SOM. Left column: native view, not used for study measurements. Right column: multiplanar reconstructions - perpendicular (axial view) and longitudinal (sagittal view) along the muscle axis (arrows) using an oblique three-dimensional tool, representing the measurement methodology applied in the study. The coronal muscle section slice is the plane of interest for SOM analysis. SOM analysis row: demonstrates measurement differences between native and reconstructed SOM analysis. Surface measurement: performed using the “irregular region of interest” tool. Area calculation: defined as width (larger axis of the muscle section) multiplied by length (shortest axis).

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