Cholesteatoma: Diagnosis and Management%u2022 Tympanic membrane perforation%u2022 Retracted tympanic membrane%u2022 White mass behind tympanic membraneOtoscopic findings:%u2022 CT scanInvestigation of choice:%u2022 Surgical%u2022 Tympanomastoidectomy (first line)%u2022 TympanoplastyManagement: