ArticleBMJ case reports2018
Neuroblastoma with flat genomic profile: a question of representativity?
Article in BMJ case reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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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.
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4 authors.
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Abstract
Neuroblastoma is one of the most common paediatric malignancies. Detection of somatic genetic alterations in this tumour is instrumental for its risk stratification and treatment. On the other hand, an absence of detected chromosomal imbalances in neuroblastoma biopsies is difficult to interpret because it is unclear whether this situation truly reflects the tumour genome or if it is due to suboptimal sampling. We here present a neuroblastoma in the left adrenal of a newborn. The tumour was subjected to single-nucleotide polymorphism array analysis of five tumour regions with >80% tumour cells in histological mirror sections. This revealed no aberrations compared with a normal reference sample from the patient. Whole exome sequencing identified two single-nucleotide variants present in most tumour regions, corroborating that the tumour resulted from monoclonal expansion. Our data provide proof-of-principle that rare cases of neuroblastoma can have a normal whole genome copy number and allelic profile.
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