Management of Short Stature in Teenagers

Initial Evaluation and Diagnosis

The American Academy of Pediatrics recommends measuring height every 3-6 months and plotting on growth charts to calculate growth velocity, with growth velocity below the 25th percentile for 6+ months suggesting pathology requiring intervention 3
Height is documented below the 3rd percentile (height SDS <-1.88) with serial measurements plotted on growth charts, and bone age radiograph has been obtained to determine remaining growth potential 1, 2
Growth hormone deficiency has been properly excluded through stimulation testing if clinically indicated (peak GH <5-10 mcg/L defines deficiency), although the specific details of this test are not provided in the cited references 1, 2

The Endocrine Society recommends screening for treatable endocrinopathies, including thyroid function testing (TSH, free T4) to identify hypothyroidism as a reversible cause of growth failure 4, 5
Celiac disease screening (tissue transglutaminase IgA, total IgA) is recommended as it can present with isolated short stature 6
Complete blood count is recommended to screen for chronic anemia, which may indicate inflammatory bowel disease or nutritional deficiency 6
Basic metabolic panel, liver function tests are recommended to screen for chronic kidney disease or liver disease 3
IGF-1 and IGFBP-3 levels may reveal GH resistance or insensitivity 4

The American College of Medical Genetics recommends girls undergo karyotype or chromosomal microarray to rule out Turner syndrome and variants, which is the most commonly missed pathologic diagnosis 4, 1
SHOX gene testing is recommended if there are subtle skeletal findings (short forearms, Madelung deformity) or family history of short stature, as mutations occur in 1-12% of idiopathic short stature 4, 1
Skeletal survey is recommended if body proportions appear disproportionate to evaluate for skeletal dysplasia 4, 1

A comprehensive nutritional evaluation including albumin, prealbumin, vitamin D, vitamin B12, folate, iron studies, and zinc is recommended 6
Caloric intake assessment is recommended, as inadequate nutrition is a reversible cause of growth failure 7, 6

Ensure adequate caloric and protein intake, and calculate target calories for age, providing specific dietary recommendations 7, 6
Supplement identified deficiencies (vitamin D, iron, zinc) which can impair growth 6
Consider nutritionist referral for structured meal planning if intake is suboptimal 7

Measure height every 3-6 months and plot on growth charts to calculate growth velocity, with repeat bone age annually to track remaining growth potential and predict adult height 2, 1
Calculate mid-parental target height to determine if current trajectory will reach genetic potential 1
Monitor pubertal progression using Tanner staging, as delayed puberty may indicate constitutional delay 7, 2

Growth velocity deceleration below the 25th percentile over 6 months warrants pediatric endocrinology referral 3, 1
Presence of dysmorphic features requires genetics evaluation 1

Failing to distinguish normal variants (constitutional delay, familial short stature) from pathologic causes leads to unnecessary testing and anxiety 1
Missing Turner syndrome in girls, always obtain karyotype in short girls even without obvious features 4, 1
Overlooking nutritional deficiencies, these are readily treatable causes of growth impairment 6
Delaying evaluation of declining growth velocity, progressive deceleration suggests pathology requiring prompt investigation 3, 1