Table 2.

Results for metaphases analyzed by conventional cytogenetics and by metaphase FISH for 154 patients


Parameter

Patients, n (%)
Overall Results  
   Abnormal cytogenetics and/or metaphase FISH   61 (40)  
   Abnormal cytogenetics   43 (28)  
   Abnormal metaphase FISH   46 (30)  
Cytogenetics versus metaphase FISH  
   Normal cytogenetics and normal metaphase FISH   41 (27)  
   Abnormal cytogenetics and normal metaphase FISH   4 (3)  
   Normal cytogenetics and abnormal metaphase FISH   18 (12)  
   Abnormal cytogenetics and abnormal metaphase FISH   28 (18)  
   Normal cytogenetics and incomplete metaphase FISH*  52 (34)  
   Abnormal cytogenetics and incomplete metaphase FISH*  11 (7)  
Detection of common chromosome anomalies in myeloma  
   t(11;14) detected by cytogenetics and/or metaphase FISH for IGH/CCND1   12 (7.8)  
   t(4;14) detected by cytogenetics and/or metaphase FISH for IGH/FGFR3   10 (6.5)  
   t(14;16) detected by cytogenetics and/or metaphase FISH for IGH/MAF   3 (1.9)  
   Metaphase FISH detected loss of D13S319 and LAMP1, or loss of D13S319   23 (14.9)  
   Metaphase FISH detected fewer than CCND1 signals   20 (13.0)  
   Metaphase FISH detect absence of p53
 
9 (5.8)
 

Parameter

Patients, n (%)
Overall Results  
   Abnormal cytogenetics and/or metaphase FISH   61 (40)  
   Abnormal cytogenetics   43 (28)  
   Abnormal metaphase FISH   46 (30)  
Cytogenetics versus metaphase FISH  
   Normal cytogenetics and normal metaphase FISH   41 (27)  
   Abnormal cytogenetics and normal metaphase FISH   4 (3)  
   Normal cytogenetics and abnormal metaphase FISH   18 (12)  
   Abnormal cytogenetics and abnormal metaphase FISH   28 (18)  
   Normal cytogenetics and incomplete metaphase FISH*  52 (34)  
   Abnormal cytogenetics and incomplete metaphase FISH*  11 (7)  
Detection of common chromosome anomalies in myeloma  
   t(11;14) detected by cytogenetics and/or metaphase FISH for IGH/CCND1   12 (7.8)  
   t(4;14) detected by cytogenetics and/or metaphase FISH for IGH/FGFR3   10 (6.5)  
   t(14;16) detected by cytogenetics and/or metaphase FISH for IGH/MAF   3 (1.9)  
   Metaphase FISH detected loss of D13S319 and LAMP1, or loss of D13S319   23 (14.9)  
   Metaphase FISH detected fewer than CCND1 signals   20 (13.0)  
   Metaphase FISH detect absence of p53
 
9 (5.8)
 
*

Incomplete indicates fewer than 9 metaphases were found to analyze with 1 or more FISH probes

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