3Tien R D, Barkovich A J, Edw:lrds M S. MR imaging of pineal tumors[J]. AJR, 1990, 155(1):I43-151.
4Makino K, Nakamura H, Yano S, et al. Incidence of primary central nervous system germ cell tumors in childhood: a regional survey in Kumamoto prefecture in southern Japan [J]. Pediatr Neurosurg, 2013, 49: 155-158.
5Goyal N, Kakkar A, Singh PK, et al. Intracranial teratomas in children: a clinicopathological study[J]. Childs Nerv Syst, 2013, 29 (11): 2035-2042.
6Louis DN, Ohgaki H, Wiestler OD, et al. The 2007 WHO classification of tumours of the central nervous system [J]. Acta Neuropathol, 2007, 114(2): 97-109.
7Goyal N, Singh PK, Kakkar A, et al. Mature teratoma in association with neural tube defect (occipital encephalocele): series of four cases and review of the literature [J]. Pediatr Neurosurg, 2012, 48(2): 67-72.
8Wang Y, Zou L, Gao B. Intracranial germinoma: clinical and MRI findings in 56 patients [J]. Childs Nerv Syst, 2010, 26 (12): 1773-1777.