a 15-year-old boy with t-cell all in relapse showed leukemic cells with an abnormal karyotype of 46 , xy , -15 , t ( 11 ; 14 ) ( p15 ; q11 ) , +der ( 15 ) t ( 15 ; ? ) ( p11 ; ? ) .
C1961099
t-cell all
C1517806
leukemic