Whole-exome sequencing and copy number alterations analysis in a case of expansive florid cemento-osseous dysplasia.

Whole-exome sequencing (WES) analysis of an expansive case florid cemento-osseus dysplasia were reported for the first time. Also, the new potential candidate genes were reported to expand our knowledge about their molecular pathogenesis. We report a case of expansive florid cemento-osseus dysplasia in a 32-year-old female patient who presented an expansive tumoral lesion in the anterior mandible. As florid cemento-osseus dysplasia have only been molecularly investigated using targeted-sequencing, fragments of the lesion were collected and subjected to molecular investigation using WES to assess somatic mutations as well as copy number alterations. No gains and losses of chromosomal arms or segments longer than 1 Mb were detected. Our findings revealed a pathogenic stopgain variant at the KIF5C gene, a stoploss variant at MAPK10, and missense SNV at COL6A2 at DCDC1, suggesting potential candidate genes associated with florid cemento-osseus dysplasia.

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© 2024 The Author(s). Clinical Case Reports published by John Wiley & Sons Ltd.

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The authors declare that they have no conflict of interest.