Abstract
The clinical significance of pericentric inversion of chromosome 9 [inv (9)] remains unclear. This case control study assessed girls with short stature. According to karyotypes, the subjects were divided into inv (9) [46,XX,inv (9)(p12q13) and 46,XX,inv (9)(p11q13)], Turner syndrome (45, X) and control (normal 46, XX) groups, respectively. Detailed clinical features were compared. Height standard deviation score (SDS) values at diagnosis were -2.51±0.58, -3.71±2.12 and -2.5±1.24 for inv (9), (45, X) and control groups, respectively (p=0.022). The inv (9) group showed lower body mass index (BMI) values compared with the (45, X) and control groups (F=5.097, p=0.008). Similar growth hormone deficiency (GHD) incidences were found in all groups. Interestingly, height SDS was positively correlated with mother height and patient BMI SDS (r=0.51, p=0.036; r=0.576, p=0.023, respectively) in the inv (9) group. In the (45, X) group, height SDS was positively correlated with birth weight (r=0.392, p=0.039). Short stature in inv (9) girls was correlated with low birth weight (LBW) and mother height.
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