Ear-nose-and-throat practitioners and researchers describe some recent developments in the specialty. They cover optical diagnostics in head and neck cancer, stem cells in head and neck cancer, positron emission tomography-computed tomography in head and neck cancer, middle ear implants, tissue hypoxia in chronic otitis media, balloon dilation Eustachian tuboplasty, superior canal dehiscence syndrome, possibilities and challenges of regenerating hair cells in the inner ear, vestibular implants, and the medical treatment of vascular anomalies. Annotation ©2015 Ringgold, Inc., Portland, OR (protoview.com)