Research Article

Identification and Functional Characterization of a Novel Variant in the SEMA3A Gene in a Chinese Family with Kallmann Syndrome

Table 1

The results of auxiliary examination on the KS proband.

Clinical examinationResultsReference range

Height/weight (cm/kg)175/86
Biochemical testing
FSH (mIU/ml)2.31.5–12.4
LH (mIU/ml)1.81.7–8.6
Testosterone (ng/ml)1.92.8–8.0
Estradiol (pg/ml)46.6411.3–43.2
Prolactin (ng/ml)12.364.79–23.3
GnRH stimulation test (mIU/ml)3.7 (LH peak appeared at 90 min)
Semen routine
Specimen volume (ml)0.5≥1.5
Number of sperm (×10 ∧ 6/time)21.85≥39
PR + NP (%)18.10≥40
PR (%)9.70≥32
NP (%)8.40
IM (%)81.90
SIT-16Hyposmia
Ultrasound of the genital systemSmall volume of bilateral testis
Ultrasound of the breastBilateral gynaecomastia

KS: Kallmann syndrome; FSH: follicle-stimulating hormone; LH: luteinizing hormone; GnRH: gonadotropin-releasing hormone; SIT-16: sniffing sticks 16-identification test.