Soft tissue tumor imaging in adults: European Society of Musculoskeletal Radiology-Guidelines 2023—overview, and primary local imaging: how and where?

Objectives Early, accurate diagnosis is crucial for the prognosis of patients with soft tissue sarcomas. To this end, standardization of imaging algorithms, technical requirements, and reporting is therefore a prerequisite. Since the first European Society of Musculoskeletal Radiology (ESSR) consens...

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Published inEuropean radiology Vol. 34; no. 7; pp. 4427 - 4437
Main Authors Noebauer-Huhmann, Iris-Melanie, Vanhoenacker, Filip M., Vilanova, Joan C., Tagliafico, Alberto S., Weber, Marc-André, Lalam, Radhesh K., Grieser, Thomas, Nikodinovska, Violeta Vasilevska, de Rooy, Jacky W. J., Papakonstantinou, Olympia, Mccarthy, Catherine, Sconfienza, Luca Maria, Verstraete, Koenraad, Martel-Villagrán, José, Szomolanyi, Pavol, Lecouvet, Frédéric E., Afonso, Diana, Albtoush, Omar M., Aringhieri, Giacomo, Arkun, Remide, Aström, Gunnar, Bazzocchi, Alberto, Botchu, Rajesh, Breitenseher, Martin, Chaudhary, Snehansh, Dalili, Danoob, Davies, Mark, de Jonge, Milko C., Mete, Berna D., Fritz, Jan, Gielen, Jan L. M. A., Hide, Geoff, Isaac, Amanda, Ivanoski, Slavcho, Mansour, Ramy M., Muntaner-Gimbernat, Lorenzo, Navas, Ana, O´Donnell, Paul, Örgüç, Şebnem, Rennie, Winston, Resano, Santiago, Robinson, Philip, Sanal, Hatice T., Ter Horst, Simone A. J., van Langevelde, Kirsten, Wörtler, Klaus, Koelz, Marita, Panotopoulos, Joannis, Windhager, Reinhard, Bloem, Johannes L.
Format Journal Article
LanguageEnglish
Published Berlin/Heidelberg Springer Berlin Heidelberg 01.07.2024
Springer Nature B.V
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Summary:Objectives Early, accurate diagnosis is crucial for the prognosis of patients with soft tissue sarcomas. To this end, standardization of imaging algorithms, technical requirements, and reporting is therefore a prerequisite. Since the first European Society of Musculoskeletal Radiology (ESSR) consensus in 2015, technical achievements, further insights into specific entities, and the revised WHO-classification (2020) and AJCC staging system (2017) made an update necessary. The guidelines are intended to support radiologists in their decision-making and contribute to interdisciplinary tumor board discussions. Materials and methods A validated Delphi method based on peer-reviewed literature was used to derive consensus among a panel of 46 specialized musculoskeletal radiologists from 12 European countries. Statements were scored online by level of agreement (0 to 10) during two iterative rounds. Either “group consensus,” “group agreement,” or “lack of agreement” was achieved. Results Eight sections were defined that finally contained 145 statements with comments. Overall, group consensus was reached in 95.9%, and group agreement in 4.1%. This communication contains the first part consisting of the imaging algorithm for suspected soft tissue tumors, methods for local imaging, and the role of tumor centers. Conclusion Ultrasound represents the initial triage imaging modality for accessible and small tumors. MRI is the modality of choice for the characterization and local staging of most soft tissue tumors. CT is indicated in special situations. In suspicious or likely malignant tumors, a specialist tumor center should be contacted for referral or teleradiologic second opinion. This should be done before performing a biopsy, without exception. Clinical relevance The updated ESSR soft tissue tumor imaging guidelines aim to provide best practice expert consensus for standardized imaging, to support radiologists in their decision-making, and to improve examination comparability both in individual patients and in future studies on individualized strategies. Key Points • Ultrasound remains the best initial triage imaging modality for accessible and small suspected soft tissue tumors. • MRI is the modality of choice for the characterization and local staging of soft tissue tumors in most cases; CT is indicated in special situations. Suspicious or likely malignant tumors should undergo biopsy. • In patients with large, indeterminate or suspicious tumors, a tumor reference center should be contacted for referral or teleradiologic second opinion; this must be done before a biopsy.
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ISSN:1432-1084
0938-7994
1432-1084
DOI:10.1007/s00330-023-10425-5