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Primary cholesteatoma of the middle ear and petrosal bone

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Kuczkowski J., Dubaniewicz-Wybieralska M.
Otolaryngologia Polska
|
2007
|
vol. 61(3)
322-324
EN
Petrosal cholesteatomas are rare lesions, which may be primary or acquired in nature. We report a case of primary cholesteatoma in petrous bone occurring in 51-year old woman who presented with a unilateral facial nerve palsy and conductive hearing loss, despite normal tympanic membrane appearance. Early diagnosis was facilitated by computed tomography scanning and magnetic resonance imaging. Complete cholesteatoma removal was accomplished using a transtemporal supralabyrinthine approach, which allowed hearing preservation. Facial nerve function is the main complication of these lesion. We suggest that use of CT scanning and MRI in unilateral conductive hearing loss may allow the earlier detection of the most cases of petrosal cholesteatomas.
2
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Perlak pierwotny ucha środkowego i szczytu piramidy

100%
Kuczkowski J., Dubaniewicz-Wybieralska M.
Otolaryngologia Polska
|
2007
|
vol. 61(3)
322-324
PL
Petrosal cholesteatomas are rare lesions, which may be primary or acquired in nature. We report a case of primary cholesteatoma in petrous bone occurring in 51-year old woman who presented with a unilateral facial nerve palsy and conductive hearing loss, despite normal tympanic membrane appearance. Early diagnosis was facilitated by computed tomography scanning and magnetic resonance imaging. Complete cholesteatoma removal was accomplished using a transtemporal supralabyrinthine approach, which allowed hearing preservation. Facial nerve function is the main complication of these lesion. We suggest that use of CT scanning and MRI in unilateral conductive hearing loss may allow the earlier detection of the most cases of petrosal cholesteatomas.
3
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Content available

Post-traumatic cholesteatoma of temporal bone

81%
Kuczkowski J., Dubaniewicz-Wybieralska M., Iżycka-Świeszewska E.
Otolaryngologia Polska
|
2007
|
vol. 61(2)
207-210
EN
Posttraumatic cholesteatoma of the middle ear is a rare condition that may present years after temporal bone fracture. We present the 36 years old woman with acquired cholesteatoma of the middle ear and perilymphatic fistula six years after a temporal bone fracture. CT scan was extremely helpful in determining the sites of fracture and fasioning the surgical approach. The middle ear was cleaned with cholesteatoma, perilymphatic fistula was sealed with 3 layers of tissues and the ossicular chain was reconstructed in one stage. The presence of fracture lines in temporal bone years after trauma may prove hindered healing, which promotes migration of epithelium from external ear canal into the middle ear. We recomend long term follow-up in any patient with longitudinal temporal bone fracture with CT for any new otologic complaints
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