Mediastinal paraganglioma: Presurgical embolization Verónica Vallejo Herrera; Arturo del Toro Ortega; María José Vallejo Herrera; Pedro Aranda Granados; José Joaquín Muñoz Ruiz-Canela;

IgG4-related disease in the thyroid gland: A diagnostic challenge Virginia Soria Utrilla; Francisco José Sánchez Torralvo; Antonio Adarve Castro; Iván Pérez de Pedro;

Diabetes insipidus as initial manifestation of extranodal NK/T cell lymphoma nasal type Cristina Contreras Pascual; Patricia de Diego García; Wendy Valeria González Sacoto; María Civeira Marin; Javier Marta Moreno;