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    Childhood Soft Tissue Sarcoma Treatment (PDQ®): Treatment - Health Professional Information [NCI] - General Information

    Table 2. Frequent Chromosomal Aberrations Seen in Nonrhabdomyosarcomatous STSa

    Histology Chromosomal Aberrations Genes Involved
    STS = soft tissue sarcoma.
    a Adapted from Sandberg,[25]Slater et al.,[26]Mertens et al.,[27]and Romeo.[28]
    Alveolar soft part sarcoma t(x;17)(p11.2;q25) ASPL/TFE3[29,30,31]
    Angiomatoid fibrous histiocytoma t(12;16)(q13;p11), t(2;22)(q33;q12), t(12;22)(q13;q12) FUS/ATF1,EWSR1/CREB1,[32]EWS/ATF1
    Clear cell sarcoma t(12;22)(q13;q12), t(2;22)(q33;q12) ATF1/EWS,EWSR1/CREB1
    Congenital (infantile) fibrosarcoma/mesoblastic nephroma t(12;15)(p13,q25) ETV-NTRK3
    Dermatofibrosarcoma protuberans t(17;22)(q22;q13) COL1A1/PDGFB
    Desmoid fibromatosis Trisomy 8 or 20, loss of 5q21 CTNNB1orAPCmutations
    Desmoplastic small round cell tumors t(11;22)(p13;q12) EWS/WT1[33]
    Epithelioid hemangioendothelioma t(1;3)(p36;q25)[34] WWTR1/CAMTA1
    Epithelioid sarcoma Inactivation SMARCB1 SMARCB1
    Extraskeletal myxoid chondrosarcoma t(9;22)(q22;q12), t(9:17)(q22;q11), t(9;15)(q22;q21), t(3;9)(q11;q22) EWSR1/NR4A3,TAF2N/NR4A3,TCF12/NR4A3,TGF/NR4A3
    Hemangiopericytoma t(12;19)(q13;q13.3) and t(13;22)(q22;q13.3)
    Inflammatory myofibroblastic tumor t(1;2)(q23;q23), t(2;19)(q23;q13), t(2;17)(q23;q23), t(2;2)(p23;q13), t(2;11)(p23;p15)[35] TPM3/ALK,TPM4/ALK,CLTC/ALK,RANBP2/ALK,CARS/ALK
    Low-grade fibromyxoid sarcoma t(7;16)(q33;p11), t(11;16)(p11;p11) FUS/CREB3L2,FUS/CREB3L1
    Malignant peripheral nerve sheath tumor 17q11.2, loss or rearrangement 10p, 11q, 17q, 22q NF1
    Myxoid/round cell liposarcoma t(12;16)(q13;p11), t(12;22)(q13;q12) FUS/DD1T3,EWSR/DD1T3
    Rhabdoid tumor Inactivation SMARCB1 SMARCB1
    Synovial sarcoma t(x;18)(p11.2;q11.2) SYT/SSX
    Tenosynovial giant cell tumor t(1;2)(p13;q35) CSF1


    The prognosis of nonrhabdomyosarcomatous STS tumors varies greatly depending on the histologic grade, invasiveness, tumor size, resectability, use of radiation therapy, site of primary tumor, and presence of metastases.[36,37,38] Some pediatric nonrhabdomyosarcomatous STSs are associated with a better outcome. For instance, infantile fibrosarcoma, presenting in infants and children younger than 4 years, has an excellent prognosis given that the tumor is highly chemosensitive and surgery alone can cure a significant number of these patients.[5]

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