of 50 consecutive patients ( 30 female and 20 male ; median age , 70 years ) with a myeloproliferative disorder and a 5q- chromosome , 12 ( 24 % ) had refractory anemia , 16 ( 32 % ) had refractory anemia with excess blasts , 13 ( 26 % ) had acute nonlymphocytic leukemia , six ( 12 % ) had the 5q- syndrome , and three ( 6 % ) had an unclassifiable myeloproliferative disease .
C0796347
5q
C0008633
chromosome