Hearing Loss (Deafness) - Cholesteatoma - Causes, Symptoms, Diagnosis & Treatment - ENT - Pathology

Cholesteatoma is a mass of keratin in a sac located in the middle ear. Cholesteatoma is not always filled with cholesterol. Cholesteatoma is an enlarging mass that erodes the bones. It can cause conductive hearing loss (deafness). Cholesteatoma is a growth of keratinized squamous epithelium from the external auditory meatus (canal). Diagnosed via physical exam and biopsy. Treatment is surgical excision. Cholesteatoma Causes, Symptoms, Diagnosis, and Treatment - ENT - Pathology.

The human ear is made of 3 parts: external (outer) ear, middle ear, internal (inner) ear. The external ear is further subdivided into 3 parts: auricle (ear pinna), external auditory meatus (canal), and the ear drum (tympanic membrane). Study for NPLEX, NCLEX, COMLEX, USMLE, MBBS, ENT.

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