TABLE 3.

Patient and Tumor Characteristics

Characteristic	No. of Patients (%)
Median age (range)	18.4 years (2.9–51.9 years)
Median body mass index (range)	28.9 kg/m2 (20.4–78.1 kg/m2)*
Race/ethnicity
Caucasian	8 (73%)
African American	2 (18%)
Hispanic	1 (9%)
Presenting symptom
Vaginal bleeding	10 (91%)
Vaginal mass	4 (36%)
Vaginal discharge	1 (9%)
Other primary malignancy
None	8 (73%)
Sertoli-Leydig tumor	2† (18%)
Pinealoblastoma	1† (9%)
Thyroid cancer (unknown type)	1‡ (9%)
Adenocarcinoma of parotid	1‡ (9%)
Clinical stage
IB1	4 (36%)
IB2	4 (36%)
IIA	1 (9%)
Unknown	2 (18%)
Median tumor size	4 cm (range, 1–22 cm)
IRSG classification
Group 1	9 (82%)
Unknown	2 (18%)
Histological variant
Embryonal (botryoid variant)	8 (73%)
Embryonal (non-botryoid)	2 (18%)
Undifferentiated	1 (9%)

IRSG, Intergroup Rhabdomyosarcoma Study Group.

^*A 2.9-year-old patient in whom body mass index could not be accurately assessed was not included.

^†One patient had both Sertoli-Leydig tumor and pinealoblastoma.

^‡One patient had both thyroid cancer and parotid adenocarcinoma.