Abstract
Background: Spine and spinal cord development is governed by intricate genetic mechanisms and any deviation from the normal embryological cascade during 2-6 gestational weeks causes imperfect fusion of midline mesenchymal, bony and neural structures causing spinal dysraphism. Imaging plays a pivotal role in their evaluation as many patients present with concurrent anomalies that need to be corrected simultaneously to avoid repeat surgeries. To demonstrate the spectrum of MRI ndings of spinal dysraphi Aim: Settings and design: sm. A cross sectional observational study was done in 36 pediatric patients with known or suspected spinal dysraphism on 3T MRI. MRI was Materials And Methods: performed using Siemens Skyra 3T MRI. In this study comprising of 36 patients, mean age Results: was 37.1months (3 years 1month) with minimum age of 4 days and maximum age of 18 years. Children of age less than 5 years were maximally affected. A female predominance was noted with male: female ratio of 0.9:1. Open spinal dysraphism (55.6%) was more common than closed dysraphism (44.4%). The most common dysraphism was myelomeningocele. Among open dysraphism, we also encountered 1 case each of hemimyelomeningocele and myelocele. Among closed defects, split cord malformation was most common (19.4%) as it was present with other dysraphic defects (called complex spina bida), followed by lipomyelocele (11.1%) and dermal sinus (11.1%). Among 7 cases of split cord malformation, type II (6 cases; 85.7%) was more common than type I (1 case; 14.3%). Other cases of closed dysraphism were lipomyelomeningocele, meningocele, terminal myelocystocele, intradural lipoma, lar lipoma and caudal regression syndrome. MRI is an excelle Conclusion: nt modality for dening the characteristic imaging features of each dysraphism to give a composite diagnosis.
Published Version
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