the. round window niche and membrane in chronic suppurative otitis media
نویسندگان
چکیده
this study evaluated the histopathologic changes in the round window niche. , and membrane in cases of chronic suppurative otitis media. the pathologic process was found in all subjects. fibrocystic or fibrous tissue was most commonly seen, while active granulation was less developed. the round window membrane was thicker and inflamed throughout its layers. inflammatory invasion of the inner ear through the membrane: is very rare, because the thickened membrane has a protective role for spreading of infection.
منابع مشابه
THE. ROUND WINDOW NICHE AND MEMBRANE IN CHRONIC SUPPURATIVE OTITIS MEDIA
This study evaluated the histopathologic changes in the round window niche. , and membrane in cases of chronic suppurative otitis media. The pathologic process was found in all subjects. Fibrocystic or fibrous tissue was most commonly seen, while active granulation was less developed. The round window membrane was thicker and inflamed throughout its layers. Inflammatory invasion of the inne...
متن کاملChronic Suppurative Otitis Media
Chronic suppurative otitis media (CSOM) is a chronic inflammation of the middle ear and mastoid cavity. Clinical features are recurrent otorrhoea through a tympanic perforation, with conductive hearing loss of varying severity. Experts dispute the duration of otorrhoea required to determine it as a chronic infection the World Health Organization's definitions suggest more than two weeks; others...
متن کاملChronic Suppurative Otitis Media
Chronic suppurative otitis media (CSOM) is a chronic inflammation of the middle ear and mastoid cavity. Clinical features are recurrent otorrhoea through a tympanic perforation, with conductive hearing loss of varying severity. Experts dispute the duration of otorrhoea required to determine it as a chronic infection the World Health Organization's definitions suggest more than two weeks; others...
متن کاملChronic Suppurative Otitis Media
Chronic suppurative otitis media (CSOM) is a chronic inflammation of the middle ear and mastoid cavity. Clinical features are recurrent otorrhoea through a tympanic perforation, with conductive hearing loss of varying severity. Experts dispute the duration of otorrhoea required to determine it as a chronic infection the World Health Organization's definitions suggest more than two weeks; others...
متن کاملChronic Suppurative Otitis Media
Chronic suppurative otitis media (CSOM) is a chronic inflammation of the middle ear and mastoid cavity. It is predominantly a disease of the developing world. Clinical features are recurrent otorrhoea through a tympanic perforation, with conductive hearing loss of varying severity. Experts dispute the duration of otorrhoea required to determine it as a chronic infection the World Health Organiz...
متن کاملChronic suppurative otitis media.
INTRODUCTION Chronic suppurative otitis media (CSOM) is a common cause of hearing impairment and disability. Occasionally it can lead to fatal intracranial infections and acute mastoiditis, especially in developing countries. METHODS AND OUTCOMES We conducted a systematic review and aimed to answer the following clinical questions: What are the effects of treatments for chronic suppurative ot...
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عنوان ژورنال:
medical journal of islamic republic of iranجلد ۱۳، شماره ۲، صفحات ۱۱۱-۱۱۳
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