Towards an international pediatric liver tumor consensus classification: proceedings of the Los Angeles COG liver tumors symposium.

López-Terrada, Dolores; Alaggio, Rita; de Dávila, Maria T; Czauderna, Piotr; Hiyama, Eiso; Katzenstein, Howard; Leuschner, Ivo; Malogolowkin, Marcio; Meyers, Rebecka; Ranganathan, Sarangarajan; Tanaka, Yukichi; Tomlinson, Gail; Fabrè, Monique; Zimmermann, Arthur; Finegold, Milton J (2014). Towards an international pediatric liver tumor consensus classification: proceedings of the Los Angeles COG liver tumors symposium. Modern pathology, 27(3), pp. 472-491. Nature Publishing Group 10.1038/modpathol.2013.80

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Liver tumors are rare in children, and their diagnoses may be challenging particularly because of the lack of a current consensus classification system. Systematic central histopathological review of these tumors performed as part of the pediatric collaborative therapeutic protocols has allowed the identification of histologic subtypes with distinct clinical associations. As a result, histopathology has been incorporated within the Children's Oncology Group (COG) protocols, and only in the United States, as a risk-stratification parameter and for patient management. Therefore, the COG Liver Tumor Committee sponsored an International Pathology Symposium in March 2011 to discuss the histopathology and classification of pediatric liver tumors, and hepatoblastoma in particular, and work towards an International Pediatric Liver Tumors Consensus Classification that would be required for international collaborative projects. Twenty-two pathologists and experts in pediatric liver tumors, including those serving as central reviewers for the COG, European Société Internationale d'Oncologie Pédiatrique, Gesellschaft für Pädiatrische Onkologie und Hämatologie, and Japanese Study Group for Pediatric Liver Tumors protocols, as well as pediatric oncologists and surgeons specialized in this field, reviewed more than 50 pediatric liver tumor cases and discussed classic and newly reported entities, as well as criteria for their classification. This symposium represented the first collaborative step to develop a classification that may lead to a common treatment-stratification system incorporating tumor histopathology. A standardized, clinically meaningful classification will also be necessary to allow the integration of new biological parameters and to move towards clinical algorithms based on patient characteristics and tumor genetics, which should improve future patient management and outcome.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Service Sector > Institute of Pathology

UniBE Contributor:

Zimmermann, Arthur

Subjects:

500 Science > 570 Life sciences; biology
600 Technology > 610 Medicine & health

ISSN:

0893-3952

Publisher:

Nature Publishing Group

Language:

English

Submitter:

Ekkehard Hewer

Date Deposited:

20 Apr 2017 13:57

Last Modified:

20 Apr 2017 13:57

Publisher DOI:

10.1038/modpathol.2013.80

PubMed ID:

24008558

URI:

https://boris.unibe.ch/id/eprint/95933

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