Cholesterol granuloma cyst of the petrous apex is an uncommon lesion and often presents a diagnostic and management dilemma to the otolaryngologist. Patients usually demonstrate signs and symptoms referable to a mass lesion of the cerebellopontine angle or brainstem. We present two cases of cholesterol granuloma cyst that were treated at our institution and discuss our diagnostic and management algorithms. Also included is a thorough review of the literature.
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References
1.
MeyerC.Fremdkorperitonitis mit Bildung von Reisenzellhaltigen Knotchen Durch Einkapselung von Cholesterintafelin. Zieglers Beitr1893; 13: 76.
2.
ManasseP.Uber Granulationsgeshwulste mit Frerndkorperriesenzellen. Virchows Arch1894; 136: 245.
3.
ShambaughG.E.The blue drum membrane. Arch Otolaryngol1929; 10: 238.
4.
HouseJ.L., BrackmannD.E.Cholesterol granuloma of the cerebellopontine angle. Arch Otolaryngol1982; 108: 504–6.
5.
GheriniS.G., BrackmannD.E., LowW.W.M.Cholesterol granuloma of the petrous apex. Laryngoscope1985; 95: 659–64.
6.
JacklerR.K., ParkerD.A.Radiographic differential diagnosis of petrous apex lesions. Am J Otol1992; 13: 561–75.
7.
AmedeeR.G., MarksH.W., LyonsG.D.Cholesterol granuloma of the petrous apex. Am J Otol1987; 8: 48–55.
8.
MorrisonG.A.J., DilkesM.G.View from within: Radiology in focus. Cholesterol cyst and cholesterol granuloma of the petrous bone. J Laryngol Otol1992; 106: 465–7.
9.
MartinN., SterkersO., MompointD.Cholesterol granulomas of the middle ear cavities: MR imaging. Radiology1989; 172: 521–5.
10.
LindstrumC.J., McLureT.C., GamacheF.W.Bilateral cholesterol granulomas of the petrous apices: Case report and review. Am J Otol1989; 10: 393–401.
