Cholesteatoma that disappears or decreases in size in pediatric patients
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概要
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We report two cases of cholesteatoma that disappeared or decreased in size in pediatric patients. Patient 1 was a male aged 1 year and 6 months. At the first consultation, a white mass was observed in the postero-superior quadrant of the right tympanic membrane. CT revealed a round soft tissue shadow in the tympanum. Congenital cholesteatoma was suspected. Ten months later, CT showed an increase in the size of the soft tissue shadow. In September 2008, exploratory right tympanotomy was performed. When the tympanic membrane was opened, a large amount of viscous exudate was aspirated. No clear cholesteatoma or debris was observed.<br/> Patient 2 was a male aged 1 year and 7 months. At the age of 1 year ventilation tubes were inserted. In June 2008, a white mass in the right ear was detected. The tube was present in the antero-inferior quadrant, and a white mass above the tube was visible. CT revealed a soft round tissue shadow in contact with the tube. Cholesteatoma was suspected. In November 2009, the tube in the right ear was removed, when no debris from the perforation edge was observed. In January 2010, the size of the soft tissue shadow decreased on CT images.<br/> Some patients show spontaneous disappearance of congenital cholesteatoma. Reasons for the spontaneous disappearance of a cholesteatoma include absorption and evacuation of cholesteatoma due to destruction of the capsule by inflammation or presumptive apoptosis. In patients with suspected cholesteatoma, observation of the course is one option when the mass is localized in the tympanum, is not in contact with the ossicle, and neither ossicle destruction nor complications are observed.
- Japan Society for Pediatric Otorhinolaryngologyの論文
Japan Society for Pediatric Otorhinolaryngology | 論文
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