7Ranjan A, Cast IP. Symptomatic subdural hygroma as a complication of foramen magnum decompression for hindbrain herniation. Br J Neurosurg, 1996, 10:301-303.
8Shaskey DJ, Mijer JF, Williams HJ, et al. Subdural fluid collection: an unusual manifestion of CNS disease in a connective tissue disorder. Clin Rheumatol, 1995,14:108-111.
9McArdle CB, Richardson C J, Nicholas DA, et al. Developmental features of the neonatal brain: MR imaging Part Ⅱ: ventricular size and extracerebral space. Radiology, 1987,162:230.
10Barkovich AJ, Kjos BO, Jackson DE Jr, et al. Normal maturation of the neonatal and infant brain: MR imaging at 1. ST. Radiology, 1988,166: 173-176.
5Kumar R, Singhal N, Mahapatra AK. Traumatic subdural effusions in children following minor head injury [J]. Childs Nerv Syst, 2008, 24(12): 1391-1396.