Gamuts

Cholesteatoma

Cholesteatoma is a destructive and expanding growth consisting of keratinizing squamous epithelium in the middle ear and/or mastoid process. Cholesteatomas are not cancerous as the name may suggest, but can cause significant problems because of their erosive and expansile properties. [Source: Wikipedia ]

Subtypes
Acquired cholesteatoma
Congenital cholesteatoma
May Cause
Abscess
Acquired skull defect
Destructive lesion in petrous apex
Encephalitis
Erosion of mastoid
Erosion of middle ear
Erosion of tympanic portion of petrous bone
External auditory canal tumor
Facial canal lesion within temporal bone
Facial nerve lesion outside the temporal bone
Gradenigo syndrome
Intraluminal ureteral filling defect
Meningitis
Middle cranial fossa lesion
Multiple ureteral filling defects
Radiolucent skull lesion
Solid renal mass
Solitary osteolytic skull lesion

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