Hiperparatiroidismo primario asociado con genu valgo en una niña: Informe de un caso raro

normalized the calcium and PTH levels, with the near-complete radiological resolution of lesions and the marked clinical improvement of genu valgum. The present case report highlights a rare pediatric presentation of PHPT with osteitis fibrosa cystica and genu valgum, initially misdiagnosed as an orthopedic disorder. Early endocrine evaluation in children with unexplained bone deformities is essential to prevent unnecessary surgical interventions and morbidity. Successful management of the parathyroid lesion led to substantial, although not formally quantified, clinical and radiological improvement.