Preoperative matching studies in the diagnosis of parathyroid adenoma for primary hyperparathyroidism: Can we avoid intraoperative PTH monitoring? Francisco Laxague; Cristian Agustin Angeramo; Enrique Dante Armella; Agustin Cesar Valinoti; Norberto Aristides Mezzadri; Juan Manuel Fernández Vila;

Radioguided parathyroidectomy: How does it contribute to surgery? Pilar Salvador Egea; Isabel Blanco Saiz; Emma Anda Apiñániz; Aitor Redondo Expósito; Cristina Erce García; Irati Pérez Otermin; Naomi Cruz Vásquez;

Persistent elevated serum parathyroid hormone levels with normocalcaemia after parathyroidectomy: Secondary hyperparathyroidism or pseudo- hyperparathyroidism? Olivia Benet-Muñoz; María Asunción Acosta-Mérida; José Antonio Casimiro-Pérez; María Mar Callejón-Cara; Laura Jiménez-Díaz; Joaquín Marchena-Gómez;