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Growth hormone deficiency — RACP Paediatrics MCQ

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HardEndocrineGrowth hormone deficiencyRACP Paediatrics

A 5-year-old boy is referred for short stature. He is growing below the 1st centile with a growth velocity of 3 cm/year. He has midline facial defects including a single central incisor. Bone age is delayed by 3 years. What is the most likely endocrine diagnosis?

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Correct answer: B — Growth hormone deficiency

Severe short stature with reduced growth velocity, midline defects (e.g., single central incisor, septo-optic dysplasia), and significantly delayed bone age suggest growth hormone deficiency, possibly as part of a spectrum of pituitary hormone deficiency. GH stimulation testing and pituitary MRI are indicated.

Reference: RCH Melbourne – 2023 – Short Stature CPG; RACP Paediatric Curriculum – Endocrine