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Auris Nasus Larynx. 2009 Aug;36(4):466-9. doi: 10.1016/j.anl.2008.09.006. Epub 2009 Jan 23.

Primary cholesteatoma of petrous bone presenting as cervical fistula.

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Department of Otorhinolaryngology, Xijing Hospital, The Fourth Military Medical University, Xi'an 710032, People's Republic of China.


A unique case of primary cholesteatoma of the petrous bone is described. The patient presented with a cutaneous fistula of the anterior cervical triangle and was initially diagnosed and treated as sebaceous cyst or imflammatory lympha node for 3 months. Later examination showed white mass in the right external auditory canal and a severe conductive hearing loss. Radiological findings revealed a massive soft tissue consistent with cholesteatoma in the right petrous bone. The lesion was successfully managed with an endoscopy-assisted technique leaving the neurovascular structures in situ without operative complications. A review of the literature shows that only a few cases of cervical abscess associated with mastoid cholesteatoma have been reported. We also discussed the diagnosis, clinical features and surgical strategy for petrous bone cholesteatoma.

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