Highlights Primary hyperparathyroidism is a rare disease in children and adolescents. Genu valgum is a rare presentation in children with PHPT. Primary hyperparathyroidism may present as normocalcemic primary hyperparathyroidism if associated with vit. D deficiency. Technetium99 M-sestamibi scan is most sensitive and specific for localization of parathyroid adenoma. Surgery is the only curative treatment for PHPT and post-operative management for features of hypocalcemia is crucial.

No abstract