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Updated: Nov 30, 2025

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Three distinct hematological malignancies from a single germ cell tumor: a case report

M Spencer Chapman1,2, P C May3, E Olavarria4

  • 1Cancer, Ageing & Somatic Mutation Programme, Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge, UK. mikechapman@nhs.net.

Journal of Medical Case Reports
|November 17, 2020
PubMed
Summary

A rare case of mediastinal non-seminomatous germ cell tumor (GCT) in a patient with Klinefelter syndrome led to three sequential blood cancer lineages. This highlights the aggressive potential of GCT-derived malignancies.

Keywords:
AMLAcute myeloid leukemiaBurkitt’s lymphomaClonal evolutionGerm cell tumorKlinefelter’s syndromeMalignant transformationMediastinal non seminomatous germ cell tumorTeratoma

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