Malignant gastrointestinal neuroectodermal tumor as a second malignancy following Ewing sarcoma: Diagnostic pitfalls in the EWSR1‐rearranged tumor spectrum

Pediatric Blood & CancerEarly View e30438 LETTER TO THE EDITOR Malignant gastrointestinal neuroectodermal tumor as a second malignancy following Ewing sarcoma: Diagnostic pitfalls in the EWSR1-rearranged tumor spectrum Pierre Khneisser, Pierre Khneisser orcid.org/0000-0002-2422-2121 Department of Pathology, Gustave Roussy Cancer Campus, Villejuif, FranceSearch for more papers by this authorMohamed-Amine Bani, Mohamed-Amine Bani Department of Pathology, Gustave Roussy Cancer Campus, Villejuif, FranceSearch for more papers by this authorSophie Cotteret, Sophie Cotteret Department of Tumor Genetics, Gustave Roussy Cancer Campus, Villejuif, FranceSearch for more papers by this authorNizar Labaied, Nizar Labaied Department of Pathology, Gustave Roussy Cancer Campus, Villejuif, FranceSearch for more papers by this authorCharles Honore, Charles Honore Department of Surgery, Gustave Roussy Cancer Campus, Villejuif, FranceSearch for more papers by this authorGregory Guimard, Gregory Guimard Department of Pediatrics, CHU, Reims, FranceSearch for more papers by this authorPablo Berlanga, Pablo Berlanga orcid.org/0000-0003-1110-7789 Department of Pediatric Oncology, Gustave Roussy Cancer Campus, Villejuif, FranceSearch for more papers by this authorJean-Yves Scoazec, Corresponding Author Jean-Yves Scoazec [email protected] orcid.org/0000-0003-1604-6823 Department of Pathology, Gustave Roussy Cancer Campus, Villejuif, France Faculté de Médecine, Université Paris Saclay, Le Kremlin-Bicêtre, France Correspondence Jean-Yves Scoazec, Department of Pathology, Gustave Roussy, 114 rue Edouard Vaillant, 94805 Villejuif cedex, France. Email: [email protected]Search for more papers by this author Pierre Khneisser, Pierre Khneisser orcid.org/0000-0002-2422-2121 Department of Pathology, Gustave Roussy Cancer Campus, Villejuif, FranceSearch for more papers by this authorMohamed-Amine Bani, Mohamed-Amine Bani Department of Pathology, Gustave Roussy Cancer Campus, Villejuif, FranceSearch for more papers by this authorSophie Cotteret, Sophie Cotteret Department of Tumor Genetics, Gustave Roussy Cancer Campus, Villejuif, FranceSearch for more papers by this authorNizar Labaied, Nizar Labaied Department of Pathology, Gustave Roussy Cancer Campus, Villejuif, FranceSearch for more papers by this authorCharles Honore, Charles Honore Department of Surgery, Gustave Roussy Cancer Campus, Villejuif, FranceSearch for more papers by this authorGregory Guimard, Gregory Guimard Department of Pediatrics, CHU, Reims, FranceSearch for more papers by this authorPablo Berlanga, Pablo Berlanga orcid.org/0000-0003-1110-7789 Department of Pediatric Oncology, Gustave Roussy Cancer Campus, Villejuif, FranceSearch for more papers by this authorJean-Yves Scoazec, Corresponding Author Jean-Yves Scoazec [email protected] orcid.org/0000-0003-1604-6823 Department of Pathology, Gustave Roussy Cancer Campus, Villejuif, France Faculté de Médecine, Université Paris Saclay, Le Kremlin-Bicêtre, France Correspondence Jean-Yves Scoazec, Department of Pathology, Gustave Roussy, 114 rue Edouard Vaillant, 94805 Villejuif cedex, France. Email: [email protected]Search for more papers by this author First published: 17 May 2023 https://doi.org/10.1002/pbc.30438Read the full textAboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL REFERENCES 1Stockman DL, Miettinen M, Suster S, et al. Malignant gastrointestinal neuroectodermal tumor: clinicopathologic, immunohistochemical, ultrastructural, and molecular analysis of 16 cases with a reappraisal of clear cell sarcoma-like tumors of the gastrointestinal tract. Am J Surg Pathol. 2012; 36: 857- 868. 2Wang J, Thway K. 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