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Revista de otorrinolaringología y cirugía de cabeza y cuello

versión On-line ISSN 0718-4816


MARTEL V, Freddy et al. Internal auditory canal lipomas: Clinical experience and literature review. Rev. Otorrinolaringol. Cir. Cabeza Cuello [online]. 2007, vol.67, n.3, pp.250-254. ISSN 0718-4816.

Two case reports with diagnosis of internal auditory canal lipomas are presented. Lipomas of the internal auditory canal are benign neoplasms, making up 0.15% of all tumors in this area. They occur more frequently in the third to fifth decade of life predominantly in Caucasian males. The are clinically and audiologically indistinguishable from other tumors in this region, with eighth cranial nerve schwannomas (vestibular schwannomas) being the most common I AC tumor (90%). MRI findings allow for specific diagnosis of a lipoma. Regarding treatment, surgery has been displaced by a conservative treatment of this rare lesion. Lipomas are slow growth lesions, without malignant transformation, and with inherent difficulties to their removal because of the adipose tissue infiltrating the nerve, as well as only partial resolution of symptoms in most cases. Surgery could only be indicated when relevant and disabling symptoms are present

Palabras clave : Lipoma; internal auditory canal; magnetic resonance imaging.

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