- MRI Atlas-Based Measurement of Spinal Cord Injury Predicts Outcome in Acute Flaccid Myelitis
Using the open source platform, the “Spinal Cord Toolbox,” the authors sought to correlate measures of GM, WM, and cross-sectional area pathology on T2 MR imaging with motor disability in 9 patients with acute flaccid myelitis. Proportion of GM metrics at the center axial section significantly correlated with measures of motor impairment upon admission and at 3-month follow-up. The proportion of GM extracted across the full lesion segment significantly correlated with initial motor impairment. This is the first atlas-based study to correlate clinical outcomes with segmented measures of T2 signal abnormality in the spinal cord.
- Limited Dorsal Myeloschisis and Congenital Dermal Sinus: Comparison of Clinical and MR Imaging Features
These investigators retrospectively reviewed the clinical and MR imaging findings of 12 patients with limited dorsal myeloschisis and 10 patients with congenital dermal sinus. A crater covered with pale epithelium was the most common skin lesion in limited dorsal myeloschisis (83%). Infectious complications were common in congenital dermal sinus (60%), but not found in limited dorsal myeloschisis. They show that limited dorsal myeloschisis has distinct MR imaging features including a visible intrathecal tract with dorsal tenting of the cord at the tract-cord union.
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