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Radiosensitivity testing

Synonym(s)

Testing specific to ataxia-telangiectasia (A-T) and other disorders in which cells are particularly sensitive to ionizing radiation; demonstrates colony formation of a blood lymphocyte cell line following irradiation, which is abnormal in approximately 99% of patients with clinically diagnosed A-T, though the sensitivity of such testing in light of a suspected but unsure diagnosis of A-T has not yet been documented: Definition from: GeneReviews from the University of Washington and the National Center for Biotechnology Information