Cholesteatoma, Middle EarCholesteatomaEar, MiddleMastoidEar OssiclesTympanoplastyEar DiseasesEar CanalTympanic MembraneEarOtoscopyTemporal BoneOtitis MediaOtitis Media with EffusionOtologic Surgical ProceduresOtitis Media, SuppurativeMiddle Ear VentilationEar NeoplasmsHearing Loss, ConductiveEar, InnerEustachian TubeIncusChinchillaMastoiditisAcoustic Impedance TestsEar, ExternalImmunohistochemistryMalleusPetrous BoneCochlear DiseasesStapesProflavineOssicular ReplacementCerebrospinal Fluid OtorrheaSecond-Look SurgeryOssicular ProsthesisStapediusAudiometry, Pure-ToneCranial Fossa, MiddleAudiometryEcho-Planar ImagingRound Window, EarTensor TympaniGerbillinaeHearingBone ConductionTomography, X-Ray ComputedHaemophilus influenzaeSemicircular CanalsFistulaSkull NeoplasmsDiffusion Magnetic Resonance ImagingOptical ImagingHearing Loss