Small Pupil Recognition and Management
4 Small Pupil Recognition and Management Fani Segev, Yokrat Ton, and Ehud I. Assia The prevalence of visual impairment secondary to cataract increases with age and is expected to grow dramatically…
Postsurgical Conditions
Myringotomy and Insertion of Ventilation Tube The indications of myringotomy and ventilation tube insertion have been discussed previously. Myringotomy is usually performed in the anteroinferior quadrant of the tympanic membrane…
Diseases Affecting the External Auditory Canal
Diseases Affecting the External Auditory Canal 3.1 Exostosis and Osteomas 3.2 External Auditory Canal Inflammatory Diseases 3.3 Cholesteatoma of the External Auditory Canal 3.4 Pathologies Extending to the External Auditory…
Temporal Bone Paragangliomas
Paragangliomas are tumors that arise from the paraganglionic system—aggregations of cells found throughout the body associated with vascular and neuronal adventitia. They originate from the neural crest and are related…
Chronic Suppurative Otitis Media with Cholesteatoma
8.3 Mesotympanic Cholesteatoma 8.4 Cholesteatoma Associated with Atelectasis 8.5 Cholesteatoma Associated with Complications 8.6 Surgical Treatment of Cholesteatoma: Individualized Technique 8 Chronic Suppurative Otitis Media with Cholesteatoma Keywords: epitympanic cholesteatoma, mesotympanic…
Rare Retrotympanic Masses
Conditions that may present as a retrotympanic mass Anomalous anatomy High jugular bulb Aberrant carotid artery Tumors and tumor-like condition Congenital cholesteatoma Iatrogenic cholesteatoma Tympanojugular paraganglioma Facial nerve tumor (neuroma,…
Noncholesteatomatous Chronic Otitis Media
General Characteristics of Tympanic Membrane Perforations Tympanic membrane perforations are usually present at the pars tensa. Pars flaccida perforations are generally associated with epitympanic cholesteatoma. If a tympanic membrane perforation…
Petrous Bone Cholesteatoma
Petrous bone cholesteatomas (PBCs) are slow-growing expansile epidermoid lesions arising in the petrous portion of the temporal bone with an incidence of 4 to 9% of all petrous pyramid lesions….
Meningoencephalic Herniation
Meningoencephalic herniation is the herniation of meningeal and/or encephalic tissue in the middle ear or mastoid. It occurs in connection with infection, previous surgery, head trauma, or congenital tegmental defects….
