MR Imaging Spectrum of Spinal Dysraphism: A Study from South India
MR Imaging Spectrum of Spinal Dysraphism
Background: Congenital anomalies of spine carry significant mortality and morbidity. Hence, they must diagnosed with great accuracy and at an earliest possible point of time. This study was undertaken to study the spectrum of MR imaging findings in patients with suspected spinal dysraphism regarding detection, accurate localization, non-invasive exploration of complex anatomy/pathological process and possible associations. Subjects and Methods: A total 40 cases attending the department of Radiology of JJM Medical College constituted the sample size. All the patients were subjected for non-contrast Magnetic resonance imaging in shortest possible examination time. The data thus collected was analyzed. Results: About 32.5% of the study were aged between 1 – 5 years. Moreover, in only 5 (25 %) cases the parents of the patients had history of consanguineous marriages. About 70% of the patients had neurological manifestations and 75% had cutaneous manifestations. A wide range of abnormalities were seen with myelomeningocele found in 65% of the patients, lipomyelomeningocele in 17.5% and 17.5% patients had diastematomyelia. Associated tethering of the cord is seen in 40% of the cases, while syrinx was noted in 10% patients, 5% patient showed cerebellar tonsillar herniation with cervical syrinx, 12.5% patients showed diffuse syringomyelia involving whole spine, 2.5% patient showed cervico-thoracic septated syrinx extending to medulla oblongata superiorly. Conclusion : MRI is an excellent imaging modality of choice for defining complex spinal dysraphism and associated abnormalities.
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