MEN1 and parathyroid gland adenoma: She had already been hospitalized one year before and treated with bilateral parathyroidectomy after a diagnosis of primary hyperparathyroidism in parathyroid adenomas complicated by a pathological fracture of the pelvis and a post-intervention hungry bone syndrome (Online Resource 3); it is to note that the immunohistochemistry assay demonstrated a complete loss of menin expression in the tumoral tissue (Online Resource 4).