3Kuroda N, Takahashi T, Moriki T, et al. Askin tumor with metastasis to the scalp: a histochemical, immunohistochemical and ultrastructural study[J]. Med Mol Morphol, 2006, 39 (4) : 221- 225.
4Askin FB, Rosai J, Sibley RK, et al. Malignant small cell tumor of the thora- copulm onary region in childhood: a distinctive clinial pathologic entity of un- certain histogenis[J].Cancer, 1979,43 (6) : 2438.
5Frankk GC. Periphreal neuroectoermal tumor of the chest wall in childhood[J]. Cancer, 1984,54(11) :2519.
6Askin FB,Rosai J,Sibley RK,et al.Malignant small cell tumor of the thoracopulmonary region in childhood:a distinctive clinicopathologic entity of uncertain histocytosis[J].Cancer,1979,(6):2438-2451.
