Facing a petrous tumor: Study and diagnostic possibility

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Jorge Caro L.
Marcela Castillo F.
Andrés Finkelstein K.

Keywords

lymphatic sack tumor, petrous point tumors, ear tumors, hidrops endolymphatic

Abstract

The petrous point tumors may appear with sensoneuronal hypoacousia and a vertiginous syndrome secondary to endolymphatic hidrops. Within the differential diagnosis there are the tumors of the endolymphatic sack, which have been reported more and more frequently in the literature. Below we report the case of a 50 year old patient who arrives to consult with fluctuating sensoneuronal hypoacousia of the right ear and vertiginous syndrome. The neuroimages show a petrous point tumor that has had a progressive growth in time, secondarily eroding structures of the inner ear. A biopsy was taken but it was not conclusive, and in has not been repeated due to the personal decision of the patient, whereby it has been maintained under expectant handling. Given the evolution and the images, a diagnosis of endolymphatic sack tumor is considered, while awaiting a confirmation biopsy.

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