Research Article

Low Prevalence of TP53 Mutations and MDM2 Amplifications in Pediatric Rhabdomyosarcoma

Table 2

Patient and tumor characteristics.

CharacteristicsHistologic subtype
ARMS ( )ERMS ( )

Sex
 Male1827
 Female1911

Mean age (STDEV), years
 Boys5.5 (4.6)7.4 (5.0)
 Girls8.5 (5.3)6.0 (5.1)

Race/ethnicity
 Caucasian2630
 African American34
 Hispanic23
 Other61

Tumor site
 Head and neck74
 Upper extremity51
 Lower extremity103
 Trunk30
 Abdomen28
 Visceral40
 Retroperitoneal24
 Pelvic13
 Genitourinary315