Park, K C <br/><br/>
Endoscopic transsphenoidal drainage of an aggressive petrous apex cholesterol granuloma: unusual complications and lessons learnt.  [electronic resource] 

 -  The Journal of laryngology and otology  Dec 2013 
 - 1230-4 p.  digital 
<br/><br/> Publication Type: Case Reports; Journal Article 
<br/><br/><label>ISSN: </label>1748-5460 
<br/><br/><label>Standard No.: </label>10.1017/S0022215113002983  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cholesterol<br/>Drainage--adverse effects<br/>Female<br/>Granuloma, Foreign-Body--diagnosis<br/>Humans<br/>Magnetic Resonance Imaging<br/>Middle Aged<br/>Natural Orifice Endoscopic Surgery--adverse effects<br/>Petrous Bone--diagnostic imaging<br/>Pneumocephalus--etiology<br/>Sphenoid Sinus<br/>Tomography, X-Ray Computed<br/>Treatment Outcome