1Sumegi J, Nishio J, Nelson M, et al. A novel t (4; 22) (q31 ; q12)produces an EWSR1-SMARCA5 fusion in extraskeletal Ewingar- coma/primitive neuroectodermal tumor [J]. Mod Pathol, 2011, 24: 333-342.
2Weissferdt A, Moran CA. Primary pulmonary primitive neuroecto- dermal tumor(PNET): a clinicopathological and cal study of six cases [J]. Lung, 2012, 190:677-683.
8Hart MN, Earle KM. Primitive neuoectodermal tumor of the brain in childen [J]. Cancer, 1973, 32(4): 890-897.
9Wada Y, Yamaguchi T, Kuwahara T, et al. Primitive neuroectodermal tumour of the kidney with spontaneous regression of pulmonary metastases after nephrectomy [J]. BJU Int, 2003, 91 (1): 121-122.
10Sallusio G, Pirronti T, Lasorella A, et al. Diagnostic imaging of Primitive neuroeetodermal tumour of the chest wall(Askin tumors) [J]. Pediatr Radiol, 1998, 28(5): 697-698.