Intralabyrinthine schwannoma. A case report

Introduction and objectives: The intralabyrinthine schwannoma is a rare benign tumor, slow growth extradural, located primarily in the membranous labyrinth. Through a clinical case we present the characteristics of its evolution, try to offer a physio-pathological explanation of symptoms and findings audio-vestibular and finally, describe the different therapeutic options. Description: It is a 59 year old woman, beginning with non-specific symptoms of the left ear and then concerned a hearing loss in that ear. To confirm that it is a unilateral hearing loss not justified, we request an MRI that shows the presence of a small tumor of 2-3 mm intravestibular, which we will review periodically. Discussion: The origin and the prevalence of intralabyrinthine schwannomas are unknown. Although the clinic is confused with other frequent otological processes, the implementation of MRI would increase the number of diagnosed cases. Depending on the patient, their symptoms, evolution and tumor characteristics, the type of treatment is decided. Conclusion: Intralabyrinthine schwannoma should be part of the differential diagnosis in patients with unilateral audio-vestibular symptoms and request a high resolution MRI to obtain the definitive diagnosis. Presenting an excellent prognosis, the observation is considered the best treatment option.