Clinical Features of Cholesterol Granuloma in Temporal Bone.
- Author:
Kee Hyun PARK
1
;
Joong Wha KOH
;
Sung Min KIM
Author Information
1. Department of Otolaryngology, Ajou University School of Medicine, Suwon, Korea.
- Publication Type:Original Article
- Keywords:
Cholesterol granuloma;
Temporal bone
- MeSH:
Cholesteatoma;
Cholesterol*;
Drainage;
Ear Canal;
Ear, Middle;
Granuloma*;
Hemorrhage;
Magnetic Resonance Imaging;
Mastoid;
Otitis Media;
Temporal Bone*;
Tympanic Membrane;
Ventilation
- From:Korean Journal of Otolaryngology - Head and Neck Surgery
1997;40(4):513-519
- CountryRepublic of Korea
- Language:Korean
-
Abstract:
Cholesterol granuloma is not a clinically or pathologically independent entity. It may develop in any portion of the pneumatic system of the temporal bone and can be associated with a variety of middle ear disorders. Three factors are considered to play an important role in its development: 1) interference with drainage 2) hemorrhage and 3) obstruction of ventilation. We reviewed 20 cases of cholesterol granuloma in the temporal bone by analysing findings of myringoscopy, temporal bone CT and/or MRI and operation, and concluded that cholesterol granuloma appeared clinically in three forms ; 1) in association with chronic otitis media, especially cholesteatoma 2) idiopathic blue eardrum 3) localized lesion in the middle ear, mastoid antrum, external auditory canal and petrous apex.
