Abstract
Bone and soft tissue tumors, while rare, account for a relatively large proportion of pediatric cancer diagnoses. The role for [18F]FDG PET/CT in the staging and prognostication of pediatric s arcomas remains an active area for research and topic of debate. [18F]FDG PET/CT clearly maintains a significant role in the detection of osseous metastasis in osteosarcoma, Ewing sarcoma, and rhabdomyosarcoma; however, it lacks the sensitivity and specificity in detecting pulmonary metastasis when compared to conventional CT scan. [18F]FDG PET/CT predicts histologic response in osteosarcoma; however, more studies are needed to determine whether it can predict outcome in other pediatric sarcomas as a whole. While [18F]FDG PET/CT is becoming increasingly utilized in the staging of pediatric sarcomas, more research will be needed to fully understand how best to incorporate its use in the management of, or as a prognostic tool in, pediatric and young adult bone and soft tissue sarcomas.
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Abbreviations
- ADC:
-
Apparent diffusion coefficient, an imaging parameter employed with MRI
- AYA:
-
Adolescent and young adult patient populations
- BS:
-
Bone scintigraphy with 99mTc-diphosphonates
- CIMs:
-
Conventional imaging modalities, including ultrasonography, plain X-ray, CT, MRI (and BS in some studies)
- CMR:
-
Complete metabolic response on [18F]FDG PET/CT
- COG:
-
Children’s Oncology Group
- CT:
-
X-ray-based computed tomography
- ctDNA:
-
Circulating tumor DNA
- DFS:
-
Disease-free survival
- DSRCT:
-
Desmoplastic small round cell tumor
- EFS:
-
Event-free survival
- ES:
-
Ewing sarcoma
- [18F]FDG:
-
2-Deoxy-2-[18F]fluoro-d-glucose
- HR:
-
Hazard ratio
- LRFS:
-
Local relapse-free survival
- MIP:
-
Maximum intensity projection image
- MPNST:
-
Malignant peripheral nerve sheath tumor
- MRI:
-
Magnetic resonance imaging
- MTV:
-
Metabolic tumor volume as evaluated with [18F]FDG PET/CT
- NF-1:
-
Neurofibromatosis type-1
- NOS:
-
Not otherwise specified
- NRSTS:
-
Non-rhabdomyosarcoma soft tissue sarcomas
- OS:
-
Overall survival
- PET:
-
Positron emission tomography
- PET/CT:
-
Positron emission tomography/computed tomography
- PFS:
-
Progression-free survival
- ROC:
-
Receiver operating characteristic, a type of statistical analysis yielding a graphical plot that illustrates the diagnostic ability of a binary classifier system based on a certain discrimination threshold
- SUV:
-
Standardized uptake value
- SUVmax:
-
Standardized uptake value at the point/voxel of maximum uptake
- SUVmean:
-
Average SUV in a certain whole volume of interest
- SUVpeak:
-
SUV estimated within a small, fixed-size region of interest (ROIpeak) centered on a high-uptake part of the volume of interest
- TLG:
-
Total lesion glycolysis
- TNM:
-
Classification of tumors according to status of the primary tumor (T), loco-regional lymph nodes (N), and distant metastases (M)
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Gupta, S., Harrison, D.J., Parisi, M.T., Shulkin, B.L. (2022). Diagnostic Applications of Nuclear Medicine: Sarcomas. In: Volterrani, D., Erba, P.A., Strauss, H.W., Mariani, G., Larson, S.M. (eds) Nuclear Oncology. Springer, Cham. https://doi.org/10.1007/978-3-319-26067-9_92-2
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DOI: https://doi.org/10.1007/978-3-319-26067-9_92-2
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Diagnostic Applications of Nuclear Medicine: Sarcomas- Published:
- 20 May 2022
DOI: https://doi.org/10.1007/978-3-319-26067-9_92-2
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Diagnostic Applications of Nuclear Medicine: Sarcomas- Published:
- 10 April 2022
DOI: https://doi.org/10.1007/978-3-319-26067-9_92-1