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ENDOLYMPHATIC SAC TUMOR: CLINICAL CASE REPORT AND REVIEW OF THE LITERATURE
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Abstract
Endolymphatic sac tumor is a rare tumor originating from the glandular epithelium of the ear canal and endolymphatic sac. We recorded, treated and reported a case of right endolymphatic sac tumor. The patient was admitted to the hospital because of hearing loss (P) along with persistent headache and vomiting. On computed tomography and magnetic resonance imaging, the large tumor eroded the mastoid bone, the ear bone system and pressed on the angle area. The patient underwent surgery to remove the tumor using 3 retrosigmoid incisions, the incision behind the ear and the incision behind the occipital bone. However, it was not possible to remove all of the tumor because the patient arrived at a late stage and the tumor had invaded extensively.
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Keywords
Endolymphatic sac tumor, ear canal, hearing loss, Von Hippel-Lindau
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