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Development of a New Score Based on Image Defined Risk Factors to Standardize Surgical Risk in Neuroblastoma Resection - A SIOPEN Collaborative Study

Lookup NU author(s): Hany GabraORCiD

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Abstract

© 2024 Elsevier Inc. Background and aims: Image Defined Risk Factors (IDRFs) assess surgical risk in neuroblastoma (NB) and guide neoadjuvant therapy. Despite chemotherapy IDRFs may persist in 70 % of cases. Several studies have suggested that not all IDRFs hold equal significance and that the presence of an IDRF does not inherently signify unresectability. This current study seeks to stratify and assign a score to each IDRF based on its impact on surgical risk. Methods: This collaborative study entailed retrospective collection of patient data from NB operations conducted between 2016 and 2020, together with the computation of a Surgical Complexity Index (SCI) for every patient. The SCI values obtained were correlated with preoperatively identified IDRFs. Mann–Whitney statistical test was employed to assign a relevance score to the association between individual IDRFs and SCI. Results: 14 centers contributed 427 neuroblastoma index cases meeting study inclusion criteria. 303 patients had 1 or more IDRFs. The presence and number of IDRFs in all patients significantly correlated with the SCI value (p < 0.0001). The most frequently encountered IDRF was renal pedicle involvement. There was a significant association observed between clusters of abdominal IDRFs and the occurrence of post-operative complications (p < 0.05), while a weak association link was found with intra-operative complications. A relevance score for individual IDRFs allowed their stratification based on surgical risk. The most relevant IDRFs were extension within two anatomical body compartments, infiltration of the hepato-pancreatic block, encasement of the superior mesenteric artery and coeliac axis, and tumor compressing the trachea. Conclusions: This current study has facilitated the assignment of a relevance score to each IDRF, correlating it with surgical risks. Considering this stratification of surgical risk alongside oncologic risk as defined by the neuroblastoma treatment patient risk grouping should facilitate a more precise definition of surgical objectives and the optimal conditions favoring gross tumor resection. Type of Study: Clinical Research - Study of Diagnostic Test. Level of Evidence: III.


Publication metadata

Author(s): Avanzini S, Sarnacki S, Urla C, Parodi S, Palo F, Benissad M, Crocoli A, Buconi I, Flores P, Bordallo Vazquez M, Irtan S, Hompes D, Virgone C, Metzelder M, Matthyssens L, Gabra H, Jauquier N, Fuchs J, Losty PD, Dall'Igna P

Publication type: Article

Publication status: Published

Journal: Journal of Pediatric Surgery

Year: 2025

Volume: 60

Issue: 3

Print publication date: 01/03/2025

Online publication date: 12/12/2024

Acceptance date: 09/12/2024

ISSN (print): 0022-3468

ISSN (electronic): 1531-5037

Publisher: W.B. Saunders

URL: https://doi.org/10.1016/j.jpedsurg.2024.162108

DOI: 10.1016/j.jpedsurg.2024.162108


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