ABP Pediatric Endocrinology

Practice session

A 6-year-old presents with polyuria (4 L/day), polydipsia, and nocturia after craniopharyngioma resection. Urine osmolality is 120 mOsm/kg with plasma osmolality of 305. The child responds appropriately to desmopressin with urine concentration. Which is the diagnosis?

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