antrochoanal polyp
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Antrochoanal
PolypRouzan Nassar 63Reem Eshra 64
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What are nasal polyps?Nasal polyps are abnormal lesions that originate
from any portion of the nasal mucosa orparanasal sinuses.
Nasal polyps can aect anyone, they are morecommon in adults older than 40 and in adults andchildren with conditions such as asthma, chronicsinus infections chronic sinusitis!, chronic rhinitisand cystic "brosis
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Antrochoanal polypAntrochoanal polyps, are arising from the ma#illary
antrum. Although their etiology remainsun$nown.
&hese polyps originate in the lining of the ma#illaryantrum and gradually prolapse through the
natural or an accessory ostium into the nasalca'ity and enlarge towards nasopharyn#.
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(pidemiology
Antrochoanal polyps represent only
appro#imately )*+ of sinonasalpolyps.
&hey are most commonly seen in youngadults. &hey are slightly more common inmales compared to females .
http://radiopaedia.org/articles/missing?article%5Btitle%5D=sinonasal+polypshttp://radiopaedia.org/articles/missing?article%5Btitle%5D=sinonasal+polypshttp://radiopaedia.org/articles/missing?article%5Btitle%5D=sinonasal+polypshttp://radiopaedia.org/articles/missing?article%5Btitle%5D=sinonasal+polyps -
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-linical picture
*nasal obstruction
*/hinorrhea
*snoring
*headache
*epista#is
*anosmia
*halitosis
*dyspnea
*dysphagia
*dysphonia
*nasal pruritis
ymptoms
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igns1ntranasal polypoidal mass.A larger polyp may
e#tend into the nasopharyn# .Nasal endoscopy and -& are the main
diagnostic techni2ues. A-Ps typically appearas a smooth, bluish or yellowish mass on
nasal endoscopy
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Preoperative evaluation
-& Nasal
endoscopyAppears assmooth,bluish mass
Soft tissuemasses thatoccupy themaxillaryantrum an
exten intonasal cavity!"#$%bone erosionan mayextenposteriorly to
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$istopatholo'ic
examinationPseuostrati(e
ciliate epithelium
)oose *# stroma"n(ltration of
in+ammatory cells
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i-erential ia'nosis.uvenile an'io(broma
"nverte papilloma
/ucocele/ucus retention cyst
Nasopharyn'eal mali'nancies
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#reatmentSimple
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Referenceshttp://www.ksrhino.or.kr/upload/journal/0192000001.pdf
http://otolaryngology.wdles.com/local--les/rhinology/4!9"994-ac-polyp.pdf
http://doctorsgates.$logspot.com/2010/09/antrochoanal-polyp.html
http://www.nc$i.nlm.nih.go%/pmc/articles/&'(29"!))/
http://www.ksrhino.or.kr/upload/journal/0192000001.pdfhttp://otolaryngology.wdfiles.com/local--files/rhinology/48796994-ac-polyp.pdfhttp://otolaryngology.wdfiles.com/local--files/rhinology/48796994-ac-polyp.pdfhttp://otolaryngology.wdfiles.com/local--files/rhinology/48796994-ac-polyp.pdfhttp://otolaryngology.wdfiles.com/local--files/rhinology/48796994-ac-polyp.pdfhttp://www.ksrhino.or.kr/upload/journal/0192000001.pdf -
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&han$ 3ou