The skeletal phenotype of men with previous constitutional delay of puberty

The Journal of Clinical Endocrinology and Metabolism
Fabian YapChristopher T Cowell

Abstract

It is presently unclear whether men with a history of constitutional delay (CD) of puberty are osteopenic. This study compares auxology, bone mass, size, and density of 32 men (age, 21-33 yr) with previous CD with 45 controls. Using dual-energy x-ray absorptiometry, areal bone mineral density (aBMD) and volumetric bone mineral density at the lumbar spine (LS) and femoral neck (FN), hip strength analysis, and total-body and body segment (arms, legs, trunk) measurements were determined. Auxological variables, body composition, the muscle-bone relation, and the effect of prior androgen treatment were studied. Men with previous CD were shorter (P < 0.001) and had shorter height-adjusted arms compared with controls. Height-adjusted total-body bone mineral content (BMC) (P = 0.004), aBMD (P = 0.016), and bone area (P = 0.006) but not lean tissue mass (P = 0.507) were lower in CD men compared with controls; consequently, their BMC to lean tissue mass ratio was reduced (P < 0.001). Segment length-adjusted BMC and bone area of arms (P < 0.001) and legs (P < 0.03), but not trunk were lower in CD men than in controls. They had lower LS aBMD (P = 0.044) but normal LS and FN volumetric bone mineral density. Size-adjusted LS width and the hi...Continue Reading

Citations

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