Table 1
Reported cases with trisomy 22 as the sole karyotypic abnormality

Case no.	Sex/Age	Diagnosis	Cytogenetics	CBFB/MYH11	Reference
1	F/89	RAEB-1	47,XX,+22[16]/46,XX[4]	Negative	Takahashi et al. [3]
2	F/30	AML (M5b)	47,XX,+22[3]/46,XX[17]	Negative	Gozzetti et al. [4]
3	M/55	RAEB-2	47,XY,+22[2]/46,XY[18]	Negative	This case

RAEB, refractory anemia with excess blasts; AML, acute myeloid leukemia.