Molecular profiling of longitudinally observed small colorectal polyps: a cohort study

Study ID Alternative Stable ID Type
EGAS00001003284 Other

Study Description

Knowledge of the natural history of colorectal adenomas is limited because these lesions are removed upon detection. The few studies in which small adenomas have been left in situ for a limited period of time have shown that most lesions remain stable or even completely vanish. Lesions that have grown in size more often turn out to be advanced adenomas when resected. Specific DNA copy number changes (cancer associated events or CAEs) are associated with progression of adenomas to cancer. The aim of the study was to evaluate whether growth of small colorectal polyps left in situ is associated with specific molecular features.

Study Datasets 1 dataset.

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Dataset ID Description Technology Samples
55 single read fastq files of low-pass WGS sequencing used to determine copy number aberrations and 34 paired read fastq files of 48 cancer gene exon sequencing
Illumina HiSeq 2000 58

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