Figure 6a. Intradural capillary hemangioma. (a) Sagittal T2-weighted MR image shows a high-signal-intensity nodular extramedullary lesion (arrow) with serpiginous retromedullary areas of signal void (arrowheads). (b) Axial contrast-enhanced T1-weighted MR image shows the intradural extramedullary lesion (*) compressing the spinal cord to the right (arrow). (c) Coronal multiplanar reformatted MR angiogram shows the multilobular nodular lesion (arrow) with septa and serpiginous vessels. (d) Photomicrograph (original magnification, x200; H-E stain) reveals small vessels lined by flattened mature endothelium (arrows).