Amro1988

necrotizing otitis externa tympanic membrane facial nerve palsy skull base osteomyelitis hyperbaric oxygen gallium-67-citrate technetium-tc levenson criteria each sensory epithelium is als otitis externa blood supply scutum tegmen tympani ponticulus tensor tympani ossicles chorda tympani perichondritis chronic otitis media acute otitis media glue ear external auditory canal pinna sade classification tos classification tm retraction macrotia cholesteatoma glomus ent ear examination necrotizing otitis media otitis media pseudomonas aeruginosa tympanic cavity