Cyclic Sternocleidomastoid Contraction: An Unusual Finding in a Conventional Polysomnography Paula Fernández Martínez, Estrella Caballeria Lamelas, Mireia Dalmases Cleries

Cervical Abscess Leading to Mediastinitis and Severe Airway Deviation Pedro Piñero Gutiérrez, Eduardo Olivares Vivanco, Felipe Villar Álvarez

Acute Mediastinitis due to Spontaneous Rupture of a Thyroid Cyst Irene Garrido Márquez, Patricia Virginia García Pérez, José Luis Martín Rodríguez