Evidence map›Paper›PMID 42831901›Full record

ReviewPediatric radiology2026

Challenges with the PRETEXT staging system: a SIOPEL Radiology Group position paper.

Siri Margrete Hugo Lohne, Hanna Hebelka, Jip Frederik Prince, Anneloes Elisabeth Bohte, Annemieke Simone Littooij, Charlotte de Lange, Annamaria Deganello, Silvia Costa Dias, Greg Chambers, Seema Toso and 5 more

Abstract readReview
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In one paragraph

Review in Pediatric radiology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

15 authors.

Siri Margrete Hugo LohneDivision of Radiology and Nuclear Medicine, Department of Pediatric Radiology, Oslo University Hospital, Per Waalers vei 7, Oslo, 1360, Fornebu, Norway. simape@ous-hf.no.
Hanna HebelkaPediatric Health Professionals and Pediatric Radiology, Queen Silvia's Children's Hospital, Sahlgrenska University Hospital, Region Västra Götaland, Gothenburg, Sweden.ORCID https://orcid.org/0000-0001-5304-8241
Jip Frederik PrinceDepartment of Radiology and Nuclear Medicine, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht, Netherlands.
Anneloes Elisabeth BohteDepartment of Radiology and Nuclear Medicine, Amsterdam University Medical Center, Amsterdam, Netherlands.
Annemieke Simone LittooijDepartment of Radiology and Nuclear Medicine, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht, Netherlands.
Charlotte de LangePediatric Health Professionals and Pediatric Radiology, Queen Silvia's Children's Hospital, Sahlgrenska University Hospital, Region Västra Götaland, Gothenburg, Sweden.ORCID http://orcid.org/0000-0002-5990-1781
Annamaria DeganelloDepartment of Radiology, King's College Hospital, King's College London, London, United Kingdom.ORCID https://orcid.org/0000-0003-4868-9604
Silvia Costa DiasDepartment of Radiology, University Hospital Centre of São João, Porto, Portugal.ORCID https://orcid.org/0000-0003-0862-6967
Greg ChambersDepartment of Paediatric Radiology, Leeds Children's Hospital, Leeds, United Kingdom.ORCID https://orcid.org/0000-0003-2000-3201
Seema TosoPediatric Radiology, Department of Diagnostics, University Hospital of Geneva, Geneva, Switzerland.
Céline HabrePediatric Radiology, Department of Diagnostics, University Hospital of Geneva, Geneva, Switzerland.
Erika PaceDepartment of Radiology, The Royal Marsden NHS Foundation Trust, London, United Kingdom.
Stéphanie Franchi-AbellaDepartment of paediatric diagnostic and interventional radiology, Bicêtre Hospital, Le Kremlin-Bicêtre, France.ORCID https://orcid.org/0000-0002-3200-751X
Helen WoodleyDepartment of Paediatric Radiology, Leeds Children's Hospital, Leeds, United Kingdom.
Simon P McGuirkDepartment of Radiology, Birmingham Women's and Children's NHS Foundation Trust, Steelhouse Lane, Birmingham, B4 6NH, United Kingdom. simon.mcguirk@nhs.net.ORCID http://orcid.org/0009-0009-8095-5512

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe PRETreatment EXTent of disease (PRETEXT) staging system is widely used in malignant pediatric liver tumors; however, significant challenges associated with this system remain.

objectiveTo describe challenges and limitations of the current PRETEXT system and propose potential strategies to mitigate them, from the European (SIOPEL) perspective.

methodsExpert insights from the SIOPEL Radiology Group, derived from both clinical and research experience, have been integrated into a position paper.

resultsKey limitations include acquisition and inter-observer variability, definitional ambiguity for PRETEXT group and annotation factors, lack of structured reporting, gaps in surgical integration, and POST-Treatment EXTent of disease (POSTTEXT)-related pitfalls. Proposed strategies to address PRETEXT challenges include broader implementation of standardized imaging protocols and structured reporting, multidisciplinary integration, central review, definition refinement, and emerging technologies.

conclusionAddressing these challenges may improve diagnostic accuracy, risk stratification, and clinical decision-making in pediatric patients with malignant liver tumors.

Indexed as

ChildrenComputed tomographyHepatoblastomaLiver tumorsMagnetic resonance imagingPRETEXTStaging

Identifiers

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.