An Interesting Prenatal Diagnosis: Double Aneuploidy

Table 1

Prenatally diagnosed cases of 48 XXY+21.

Study	Sonographic findings
Sanz-Cortés et al. [17]	Tridigital syndactylia in left hand, low set ears
Moog et al. [18]	Hygroma, thoracic skin edema, and small heart
Metzenbauer et al. [19]	Normal NT of 2 mm
Smith et al. [20]	Clinodactyly, bilateral brachymesophalangia of the 5th digit
Glass et al. [21]	None
Jeanty and Turner [14]	Absent nasal bone, bilateral brachymesophalangia of the 5th digit, short femur, and humerus
Our case	Echogenic intracardiac focus in left ventricle, echogenic bowel, and polyhydramnios