Abstract
Objective To explore the value of interphase fluorescence in situ hybridization(FISH) in the detection of trisomy 8 in patients with hematologic disorders. Methods Seventy-seven patients were vestigated by directly labeled centrome DNA probes specific for 8 chromosome. The results were compared with that of conventional cytogenetic (CC) analysis. Results The proportion of trisomy 8 of 77 cases of hematologic disorders detected by FISH is higher than by G-banding karyotyping and FISH could offer the result when conventional cytogenetic methods failed to diagnose. Conclusion Interphase FISH is more sensitive in the detection of trisomy 8 than CC, and FISH displays its superiority in the detection of small clone. Key words: Hematologic diseases; In situ hybridization, fluorescence; Chromosomes; Trisomy 8
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