Aspergillosis of the petrous apex.

ضایعات راس هرم خاره ای استخوان گیجگاهی در بیمارستان امیراعلم

Petrous apex lesions of temporal bone progress slowly. Most of the time not only destruct this area but also involve neighbouring element. The symptoms of the neighbouring neuro-vasculare involvement we can recognize these lesions. The most common symptoms of involvement of the petrous apex are: headache, conductive hearing loss or sensorineural type, paresthesia and anesthesia of the trigemina...

Giant Cholesterol Granuloma of the Petrous Apex: Endoscopic Management

Submit Manuscript | http://medcraveonline.com characterized for having a cystic pattern containing cholesterol crystals that are usually surrounded by foreign body giant cells. Their growing pattern is very variable and it is related to the frequency and severity of the micro hemorrhages happening within. It can be found in different locations in the temporal bone such as in the petrous apex (P...

Lesions of the petrous apex: an algorithmic diagnostic approach

CASE REPORT Lobulated Petrous Apex Cholesterol Granuloma Treated with Infracochlear and Transsphenoidal Approaches

404 Petrous apex cholesterol granulomas are relatively rare lesions. They are usually unilocular and treated with simple fenestration. However, lobulated lesions require total removal of debris inside the cysts. Herein, we report a first case with a lobulated petrous apex cholesterol granuloma. The lesion extended from cerebello-pontine angel to the clivus. It was lobulated and contained debris...

Endoscopic Endonasal Resection of Cholesterol Granuloma of the Petrous Apex

A 43years old man presented with 6 month history of intermittent right hemicranial headache and ipsilateral conductive hearingloss. The patient had no historyof head trauma. The MRI demonstrated a large and expansile right petrous apex lesion hyper intense on both T1and T2-weighted scans, without diffusion restriction or internal contrast enhancement. The CT scan showed and expansile and lyticl...