Research Article

Use of 18F-FDG-PET/CT for Retroperitoneal/Intra-Abdominal Soft Tissue Sarcomas

Table 1

SUVmax for all diseases.

Pathological diagnosisSUVmax

Retroperitoneal and intra-abdominal STS
Undifferentiated pleomorphic sarcoma (UPS)910.78 ± 6.72
Dedifferentiated liposarcoma (DL)328.93 ± 6.42
Gastrointestinal stromal tumor (GIST)238.51 ± 3.73
Synovial sarcoma (SS)27.09 ± 0.02
Pleomorphic liposarcoma (PL)65.90 ± 3.20
Leiomyosarcoma145.77 ± 3.98
Desmoid tumors (DT)195.76 ± 5.54
Myxoid liposarcoma (ML)74.70 ± 2.33
Inflammatory myofibroblastic tumor (IMT)22.83 ± 0.95
Well-differentiated liposarcoma (WDL)92.48 ± 0.88
Round cell liposarcoma (RCL)147.3
Adult fibrosarcoma (AF)125.94
Malignant hemangiopericytoma (MH)111.21
Follicular dendritic cell sarcoma (FDCS)17.3
Primitive neuroectodermal tumor (PNET)17
Malignant peripheral nerve sheath tumor (MPNST)16.4
Dermatofibrosarcoma protuberans (DFSP)15.4
Rhabdomyosarcoma15.19
Chondrosarcoma12.7

Benign tumors
Pheochromocytoma and paraganglioma (PPGL)137.87 ± 5.26
Schwannoma64.56 ± 1.59
Ganglioneuroma33.13 ± 1.53
Leiomyoma21.05 ± 1.48
Neurofibroma15.5
Mature cystic teratoma (MST)12.6
Hamartoma12.5
Hemangioma12.2

Psuedotumor
Chronic abscess (CA)214.4 ± 8.77
Infection of actinomyces (IA)114.16
Sarcoidosis19.75
Hematoma11.9

Reproductive tumors
High-grade serous ovarian carcinoma (HGSOC)210.1 ± 2.68
Yolk sac tumor (YST)26.8 ± 0.42
Ovarian granulosa cell tumor (OGCT)111.1
Dysgerminoma110
Seminoma14.1

Others
Peritoneal mesothelioma (PM)316.06 ± 0.92
Lymphoma412.75 ± 8.56
Malignant melanoma (MM)212.05 ± 0.35
Solid pseudopapillary tumor (SPT)77.58 ± 4.93
Perivascular epithelioid cell tumor (PEComa)35.97 ± 4.78
Lymph node metastasis (LM)23.10 ± 1.98
Carcinosarcoma113.1
Sarcomatoid carcinoma (SCA)129.83