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, ExternalMalleusPetrous BoneCochlear DiseasesStapesProflavineOssicular ReplacementCerebrospinal Fluid OtorrheaSecond-Look SurgeryOssicular ProsthesisStapediusAudiometry, Pure-ToneCranial Fossa, MiddleAudiometryEcho-Planar ImagingTomography, X-Ray ComputedTumor Necrosis Factor-alphaRound Window, EarTumor Markers, BiologicalTumor BurdenTensor TympaniHearingBone ConductionGerbillinaeCell Line, TumorSkull NeoplasmsOptical ImagingHaemophilus influenzaeSemicircular CanalsDiffusion Magnetic Resonance ImagingFistulaHearing Loss