Table 1.

Clinical, pathologic, and treatment characteristics (n = 50)

Characteristicsn (%)
Age (y)
    Median (range)51 (20-80)
Sex
    Male26 (52)
    Female24 (48)
Site
    Extremity32 (64)
    Retroperitoneal/abdominal7 (14)
    Chest/trunk11 (22)
Presentation status
    Primary42 (84)
    Recurrent3 (6)
    Metastatic5 (10)
Tumor size (cm)
    <55 (10)
    5-1023 (46)
    >1022 (44)
Histology
    Not other specified16 (32)
    Synovial7 (14)
    Myxofibrosarcoma7 (14)
    Liposarcoma6 (12)
    Leiomyosarcoma4 (8)
    Malignant peripheral nerve sheath tumors2 (4)
    Other8 (16)
Grade
    High50 (100)
Chemotherapy
    Ifosfamide-based chemotherapy42 (84)
    Gemcitabine-based chemotherapy8 (16)
Radiotherapy
    Yes34 (68)
    No16 (32)
Pathologic necrosis
    ≥95% (responder)8 (16)
    <95% (nonresponder)42 (84)