Modification of risk for cancer as a coincidental finding in DNA array investigation
Rostasy K, Fauth C, Gautsch K, Laimer I, Krabichler B, Wimmer K, Frühmesser A, Kotzot D, Moshir S. Modification of risk for cancer as a coincidental finding in DNA array investigation. The high resolution of modern DNA arrays has the implification of unintended coincidental detection of gene deletio...
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Veröffentlicht in: | Clinical genetics 2013-03, Vol.83 (3), p.284-287 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | Rostasy K, Fauth C, Gautsch K, Laimer I, Krabichler B, Wimmer K, Frühmesser A, Kotzot D, Moshir S. Modification of risk for cancer as a coincidental finding in DNA array investigation.
The high resolution of modern DNA arrays has the implification of unintended coincidental detection of gene deletions predisposing to late‐onset neurological and oncological disorders. Here, we report the case of an 18‐year‐old girl with mild intellectual disability, facial dysmorphisms, and a microdeletion of approximately 6.3 Mb on 22q12.1q12.3 including NF2, the gene for neurofibromatosis type 2, and CHEK2, a modifier gene for breast cancer. Subsequent magnetic resonance imaging of the brain showed she had already developed bilateral vestibular schwannomas. The challenge of DNA arrays and the consequences for genetic counselling and informed consent will be discussed in the light of this unique case with a microdeletion including both a high risk and a moderate risk cancer predisposition gene. |
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ISSN: | 0009-9163 1399-0004 |
DOI: | 10.1111/j.1399-0004.2012.01881.x |