Pediatric case of the day. Congenital, undifferentiated retroperitoneal fibrosarcoma.
Wong
C H
CH
Department of Radiological Sciences, University of California, Irvine, Orange 92668.
Dietrich
R B
RB
Pais
M J
MJ
Zeltzer
P M
PM
Carpenter
P M
PM
D005260:Female; D005354:Fibrosarcoma / Q000151:congenital* / Q000175:diagnosis; D006801:Humans; D007223:Infant; D012186:Retroperitoneal Neoplasms / Q000151:congenital* / Q000175:diagnosis