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Endoscopic ear surgery is inexpedient in children up to 4 years. It is necessary to expect that intervention will be exigeant and transition to the microscopic equipment is required in case of 4-7 years old patients. Endoscopic ear surgery can be used with success to performance of various manipulations and surgical interventions on a middle ear in patients 8-18 years old. Endoscopic ear surgery is inexpedient in children up to 4 years. It is necessary to expect that intervention will be exigeant and transition to the microscopic equipment is requir