6. Acute suppurative otitis med ia and mastoid itis The etiology, pathology, clinical manifestations and treatment of acute suppurative otitis med ia and mastoid itis The d ifferentiation between acute mastoid its and furuncle of the external acoustic meatus 7. Chronic suppurative otitis media The etiology, pathology, clinical manifestations and treatment of chronic suppurative otitis med ia 8. Complications of suppurative otitis media and mastoiditis The etiology, diffuse approach, classification, diagnosis and treatment of complications of suppurative otitis media and mastoid itis 9. Disorder of the facial nerve The etiology, pathophysiology, clinical manifestations, d iagnosis and treatment of peripheral facial paralysis 10. Otosclerosis The etiology, clinical manifestations, diagnosis, differential diagnosis and treatment of otosclerosis 11. Meniere disease The etiology, pathology, clinical manifestations, diagnosis, differential diagnosis and treatment of meniere d isease 12. Hearing loss The etiology, clinical features, diagnosis, treatment and prevention of conductive, sensorineural and mixed deafness6. Acute suppurative otitis media and mastoiditis The etiology, pathology, clinical manifestations and treatment of acute suppurative otitis media and mastoiditis. The differentiation between acute mastoidits and furuncle of the external acoustic meatus. 7. Chronic suppurative otitis media The etiology, pathology, clinical manifestations and treatment of chronic suppurative otitis media. 8. Complications of suppurative otitis media and mastoiditis The etiology, diffuse approach, classification, diagnosis and treatment of complications of suppurative otitis media and mastoiditis. 9. Disorder of the facial nerve The etiology, pathophysiology, clinical manifestations, diagnosis and treatment of peripheral facial paralysis. 10. Otosclerosis The etiology, clinical manifestations, diagnosis, differential diagnosis and treatment of otosclerosis. 11. Ménière disease The etiology, pathology, clinical manifestations, diagnosis, differential diagnosis and treatment of Ménière disease 12. Hearing loss The etiology, clinical features, diagnosis, treatment and prevention of conductive, sensorineural and mixed deafness