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Article: Ethnic variation in sinonasal anatomy on CT-scanning

TitleEthnic variation in sinonasal anatomy on CT-scanning
Authors
KeywordsAnatomic variation
CT-scanning
Ethnic
Paranasal
Sinuses
Issue Date2005
PublisherInternational Rhinologic Society.
Citation
Rhinology, 2005, v. 43 n. 3, p. 210-214 How to Cite?
AbstractComputed tomography (CT) scanning of the paranasal sinuses provides valuable information in assessing extent of disease and fine detailed anatomy prior to endoscopic sinus surgery. Awareness of the different anatomic variants of the bony sinonasal anatomy will help the rhinologic surgeon's orientation during the procedure. We conducted a study to look at the incidence of the anatomic variation within the lateral wall of the nose and sinuses and to determine if there is any ethnic difference in these variants between a cohort of 100 Caucasian patients undergoing endoscopic sinus surgely in London and 100 Chinese patients treated in Hong Kong. We compared the two groups with chi-square test and the significant areas are those with p value of less than 0.05. The results show a higher incidence of pneumatisation of the middle turbinate (concha bullosa) and paradoxical bending of the middle turbinate in the Caucasian population. The infraorbital and suprabullar cell development was greater in the Caucasian population though the incidence of sphenoethmoidal cells was much greater in the Chinese population. When asymmetry of the anterior ethmoidal roof was considered, the left was consistently the highest in both groups, though there was no difference in the depth of the cribiform niche between right and left or between Caucasian and Chinese. The incidence of bent uncinate process and of complete absence of a sinus was higher in the Chinese population. There was no difference in the presence of pneumatisation of the agger nasi, of the uncinate process, or of the anterior clinoid process. There was no difference in the presence of septation adjoining the carotid in the lateral wall of sphenoid or in the exposure of the optic nerve within sphenoid or posterior ethmoid sinuses. Although there is no evidence that variants of the sinonasal anatomy seen on CT Scan have a causative effect in the disease process; a knowledge of their presence is paramount in minimising the potential for surgical complications.
Persistent Identifierhttp://hdl.handle.net/10722/83329
ISSN
2015 Impact Factor: 1.686
2015 SCImago Journal Rankings: 1.004
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorBadia, Len_HK
dc.contributor.authorLund, VJen_HK
dc.contributor.authorWei, Wen_HK
dc.contributor.authorHo, WKen_HK
dc.date.accessioned2010-09-06T08:39:44Z-
dc.date.available2010-09-06T08:39:44Z-
dc.date.issued2005en_HK
dc.identifier.citationRhinology, 2005, v. 43 n. 3, p. 210-214en_HK
dc.identifier.issn0300-0729en_HK
dc.identifier.urihttp://hdl.handle.net/10722/83329-
dc.description.abstractComputed tomography (CT) scanning of the paranasal sinuses provides valuable information in assessing extent of disease and fine detailed anatomy prior to endoscopic sinus surgery. Awareness of the different anatomic variants of the bony sinonasal anatomy will help the rhinologic surgeon's orientation during the procedure. We conducted a study to look at the incidence of the anatomic variation within the lateral wall of the nose and sinuses and to determine if there is any ethnic difference in these variants between a cohort of 100 Caucasian patients undergoing endoscopic sinus surgely in London and 100 Chinese patients treated in Hong Kong. We compared the two groups with chi-square test and the significant areas are those with p value of less than 0.05. The results show a higher incidence of pneumatisation of the middle turbinate (concha bullosa) and paradoxical bending of the middle turbinate in the Caucasian population. The infraorbital and suprabullar cell development was greater in the Caucasian population though the incidence of sphenoethmoidal cells was much greater in the Chinese population. When asymmetry of the anterior ethmoidal roof was considered, the left was consistently the highest in both groups, though there was no difference in the depth of the cribiform niche between right and left or between Caucasian and Chinese. The incidence of bent uncinate process and of complete absence of a sinus was higher in the Chinese population. There was no difference in the presence of pneumatisation of the agger nasi, of the uncinate process, or of the anterior clinoid process. There was no difference in the presence of septation adjoining the carotid in the lateral wall of sphenoid or in the exposure of the optic nerve within sphenoid or posterior ethmoid sinuses. Although there is no evidence that variants of the sinonasal anatomy seen on CT Scan have a causative effect in the disease process; a knowledge of their presence is paramount in minimising the potential for surgical complications.en_HK
dc.languageengen_HK
dc.publisherInternational Rhinologic Society.en_HK
dc.relation.ispartofRhinologyen_HK
dc.subjectAnatomic variationen_HK
dc.subjectCT-scanningen_HK
dc.subjectEthnicen_HK
dc.subjectParanasalen_HK
dc.subjectSinusesen_HK
dc.titleEthnic variation in sinonasal anatomy on CT-scanningen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0300-0729&volume=43&issue=3&spage=210&epage=214&date=2005&atitle=Ethnic+variation+in+sinonasal+anatomy+on+CT-scanningen_HK
dc.identifier.emailWei, W: hrmswwi@hku.hken_HK
dc.identifier.authorityWei, W=rp00323en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.pmid16218515-
dc.identifier.scopuseid_2-s2.0-25844459420en_HK
dc.identifier.hkuros109437en_HK
dc.identifier.hkuros116892-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-25844459420&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume43en_HK
dc.identifier.issue3en_HK
dc.identifier.spage210en_HK
dc.identifier.epage214en_HK
dc.identifier.isiWOS:000232448000009-
dc.publisher.placeNetherlandsen_HK
dc.identifier.scopusauthoridBadia, L=7004191273en_HK
dc.identifier.scopusauthoridLund, VJ=7102840344en_HK
dc.identifier.scopusauthoridWei, W=7403321552en_HK
dc.identifier.scopusauthoridHo, WK=55119122800en_HK

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