Key points • Ventral skull base tumors are rare head and neck tumors that present with nonspecific symptoms. • The principles of endoscopic skull base surgery involve extensive surgical planning…
Key points • Sinonasal malignancy is rare in general but with an understanding of anatomy from an endonasal perspective many of these lesions may be dealt with using a totally…
A wide variety of tumors present in the sinonasal and ventral skull base. Patients often have nonspecific symptoms initially and present with advanced tumors, affecting the orbit and other adjacent…
Key points • Due to the close proximity of critical structures, initial evaluation should include assessment of visual complaints (eg, diplopia) and extraocular movements, unilateral middle ear effusion suggesting Eustachian…
Jean Anderson Eloy, MD, FACS, Editor Michael Setzen, MD, FACS, FAAP, Editor
Sujana S. Chandrasekhar, MD, Consulting Editor The anterior skull base represents a challenging space necessitating surgical collaboration between Otolaryngology, Neurosurgery, and Ophthalmology. The input of those specialties as well as…
Fig. 17.1 Travelling wave theory and our hypothesis [4] The cochlear implant is a hearing device that restores hearing in deafened patients, of which development is worthy for Lascar prize….
Fig. 1.1 Membranous labyrinth of vertebrates. Membranous labyrinths of a rat (a), a bird (b), and a fish (c) were shown. (Modified from “The Vertebrate body” by Romer et al….
Subjects: unilateral acute profound hearing loss; systemic steroid treatment application is ineffective within 1 month after deafness onset Single application (5 mg) of IGF-1 containing hydrogel on the RWM Observation period: 2 months…
Fig. 12.1 Graphical abstract of Chap. 12. (Modified from [68]) 12.1.1 Factors Regulating Cochlear Duct Extension Multiple extrinsic factors regulate proper outgrowth and extension of the cochlear duct. One clear…
