Common in Adults and Often Overlooked in Pediatrics: A Case Report of Primary Hyperparathyroidism in an Adolescent Patient.

Primary hyperparathyroidism (pHPT) is a rare clinical entity in pediatric patients relative to adults. Consequently, the diagnosis is often delayed in pediatric patients, and children and adolescents are more likely to present with symptoms of hypercalcemia and end-organ damage. Here, we present the case of an adolescent patient with chest pain who was found to have a lytic bone lesion secondary to pHPT.