6Lack EE, Schloo BL, Azumi N,et al. Undifferentiated (embryonal) sarcoma of the liver. Clinical and pathologic study of 16 cases with emphasis on immunohistochemical features. Am J Surg Pathol,1991,15:1-16.
7Aoyama C, Hachitanda Y, Sato JK, et al. Undifferentiated (embryonal) sarcoma of the liver. A tumor of uncertain histogenesis showing divergent differentiation. Am J Surg Pathol, 1991,15:615-624.
8Parham DM, Kelly DR, Donnelly WH, et al. Immunohisto chemical and ultrastructural spectrum of hepatic sarcomas of childhood: evidence for a common histogenesis. Mod Pathol, 1991,4:648 -653.
9Lauwers GY, Grant LD, Donnelly WH, et al. Hepatic undif ferentiated (embryonal) sarcoma arising in a mesenehymal hamartoma. AmJ Surg Pathol,1997, 21:1248- 1254.
10Sowery RD, Jensen C, Morrison KB,et al. Comparative genomic hybridization detects muhiple chromosomal amplifications and deletions in undifferentiated embryonal sarcoma of the liver. CancerGenet Cytogenet,2001,126:128-133.
