The occurrence of postoperative secondary cholesterol cysts in the mastoid has been previously reported, however the occurrence of a primary large cholesterol cyst in the mastoid with bony destruction of the facial nerve has rarely been reported. The case report of a 17-year-old female patient with a primary large cholesterol cyst with dysgeusia is presented. Computed tomography and magnetic re...

Giant cell tumors (GCT) of the bone are uncommon primary bone neoplasms that occur mainly in the epiphyses of long bones. However, GCT with tumoral growth in the cranium is rarely encountered, particularly in the temporal bone. GCT demonstrates benign histological features but is locally aggressive, and surgical excision is the treatment of choice. The authors describe a 31-year-old man who pre...

OBJECTIVES In this study, we compared possible changes in the opposite ears of the patients who underwent mastoid surgery using a drill or tympanoplasty surgery without the use of a drill through distortion product otoacoustic emissions. PATIENTS AND METHODS Between November 2011 and March 2012, a total of 41 patients (17 mastoidectomy, 24 tympanoplasty) who were scheduled for surgery with th...