The “Lasso Sign”: An Early Sonographic Sign of Posterior Meningocele

Figure 1

(a) Transverse 2D views of the lower spine revealing posterior meningocele at 15 weeks. (b) Sagittal 2D view of the posterior meningocele at 22 + 3 weeks. (c) Sagittal 3D view of the posterior meningocele at 22 + 3 weeks.

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