Figure 1

Technique of SBA induction. (A) Induction of the lesion at 75 days of gestation (term, 145 days), consisting of a ≥4 cm long skin and myofascial resection, ≥5‐level laminectomy, and ≥5‐level durectomy. In this case, without ≥5‐level myelotomy. (B) Artist impression of (A). (C) Same as (A), yet with ≥5‐level myelotomy, i.e., posterior mid-sagittal incision of the spinal canal. (D) Artist impression of (C). (E) Lesion as above in (C), at birth (143 days). (F) Artist impression of (E). Drawings by Myrthe Boymans (www.myrtheboymans.nl) for and copyright by UZ Leuven, Belgium. (SBA, spina bifida aperta).