Abnormal hyoid conformation in French Bulldogs: case report and computed tomographic anatomical comparison
Background Brachycephalic obstructive airway syndrome (BOAS) is common in brachycephalic breeds and comprises multiple anatomic characteristics. Computed tomography (CT) is increasingly used in the preoperative assessment of dogs presenting with BOAS. We describe the case of a French Bulldog with a...
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| Veröffentlicht in: | Australian veterinary journal 2022-01, Vol.100 (1-2), p.63-66 |
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| creator | Bruyn, BW Hosgood, G |
| description | Background
Brachycephalic obstructive airway syndrome (BOAS) is common in brachycephalic breeds and comprises multiple anatomic characteristics. Computed tomography (CT) is increasingly used in the preoperative assessment of dogs presenting with BOAS. We describe the case of a French Bulldog with a presumed congenital hyoid malformation and anatomic comparison of hyoid morphology between French Bulldogs and mesaticephalic dogs using CT.
Methods
Skull CT studies of French Bulldogs and mesaticephalic dogs presenting to two referral hospitals between 2013 and 2020 were collected. The degree of curvature of the basihyoid bone and the relative ventrodorsal thickness (RVD) were determined using a novel measurement technique. A circle of best fit was applied to the inside arc of the basihyoid bone, and the radius and sector angle within the basihyoid bone were recorded. The RVD was defined by the ventrodorsal thickness divided by the width in the frontal plane.
Results
The basihyoid bone of French Bulldogs had a greater mean ± SD RVD of 0.23 ± 0.04 compared to 0.16 ± 0.03 in mesaticephalic dogs (P |
| doi_str_mv | 10.1111/avj.13120 |
| format | Article |
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Brachycephalic obstructive airway syndrome (BOAS) is common in brachycephalic breeds and comprises multiple anatomic characteristics. Computed tomography (CT) is increasingly used in the preoperative assessment of dogs presenting with BOAS. We describe the case of a French Bulldog with a presumed congenital hyoid malformation and anatomic comparison of hyoid morphology between French Bulldogs and mesaticephalic dogs using CT.
Methods
Skull CT studies of French Bulldogs and mesaticephalic dogs presenting to two referral hospitals between 2013 and 2020 were collected. The degree of curvature of the basihyoid bone and the relative ventrodorsal thickness (RVD) were determined using a novel measurement technique. A circle of best fit was applied to the inside arc of the basihyoid bone, and the radius and sector angle within the basihyoid bone were recorded. The RVD was defined by the ventrodorsal thickness divided by the width in the frontal plane.
Results
The basihyoid bone of French Bulldogs had a greater mean ± SD RVD of 0.23 ± 0.04 compared to 0.16 ± 0.03 in mesaticephalic dogs (P < 0.01). The sector angle was also greater in French Bulldogs, measuring 144.08 ± 20.88° compared to 103.94 ± 16.49° in mesaticephalic dogs (P < 0.01).
Conclusion
This case of hyoid malformation in a French Bulldog reports a rarely documented condition that complicated the management of BOAS. Comparative assessment of hyoid conformation revealed more acute curvature and greater RVD in French Bulldogs than in mesaticephalic dogs. This may represent an additional distorted anatomic component of brachycephalic skull morphology.</description><identifier>ISSN: 0005-0423</identifier><identifier>EISSN: 1751-0813</identifier><identifier>DOI: 10.1111/avj.13120</identifier><identifier>PMID: 34528244</identifier><language>eng</language><publisher>Melbourne: Wiley Publishing Asia Pty Ltd</publisher><subject>Airway Obstruction - veterinary ; Animals ; brachycephalic ; Case reports ; Computed tomography ; Conformation ; Craniosynostoses - diagnostic imaging ; Craniosynostoses - veterinary ; Dog Diseases - diagnostic imaging ; Dogs ; hyoid ; Hyoid Bone - abnormalities ; Measurement techniques ; Morphology ; Radius ; Skull ; Tomography, X-Ray Computed - veterinary</subject><ispartof>Australian veterinary journal, 2022-01, Vol.100 (1-2), p.63-66</ispartof><rights>2021 Australian Veterinary Association</rights><rights>2021 Australian Veterinary Association.</rights><rights>2022 Australian Veterinary Association</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3530-5ae741ab32012b4d432e5e82e616c3ce796b6956fcc0b54e7492b01d29d972da3</citedby><cites>FETCH-LOGICAL-c3530-5ae741ab32012b4d432e5e82e616c3ce796b6956fcc0b54e7492b01d29d972da3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Favj.13120$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Favj.13120$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1416,27923,27924,45573,45574</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/34528244$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Bruyn, BW</creatorcontrib><creatorcontrib>Hosgood, G</creatorcontrib><title>Abnormal hyoid conformation in French Bulldogs: case report and computed tomographic anatomical comparison</title><title>Australian veterinary journal</title><addtitle>Aust Vet J</addtitle><description>Background
Brachycephalic obstructive airway syndrome (BOAS) is common in brachycephalic breeds and comprises multiple anatomic characteristics. Computed tomography (CT) is increasingly used in the preoperative assessment of dogs presenting with BOAS. We describe the case of a French Bulldog with a presumed congenital hyoid malformation and anatomic comparison of hyoid morphology between French Bulldogs and mesaticephalic dogs using CT.
Methods
Skull CT studies of French Bulldogs and mesaticephalic dogs presenting to two referral hospitals between 2013 and 2020 were collected. The degree of curvature of the basihyoid bone and the relative ventrodorsal thickness (RVD) were determined using a novel measurement technique. A circle of best fit was applied to the inside arc of the basihyoid bone, and the radius and sector angle within the basihyoid bone were recorded. The RVD was defined by the ventrodorsal thickness divided by the width in the frontal plane.
Results
The basihyoid bone of French Bulldogs had a greater mean ± SD RVD of 0.23 ± 0.04 compared to 0.16 ± 0.03 in mesaticephalic dogs (P < 0.01). The sector angle was also greater in French Bulldogs, measuring 144.08 ± 20.88° compared to 103.94 ± 16.49° in mesaticephalic dogs (P < 0.01).
Conclusion
This case of hyoid malformation in a French Bulldog reports a rarely documented condition that complicated the management of BOAS. Comparative assessment of hyoid conformation revealed more acute curvature and greater RVD in French Bulldogs than in mesaticephalic dogs. This may represent an additional distorted anatomic component of brachycephalic skull morphology.</description><subject>Airway Obstruction - veterinary</subject><subject>Animals</subject><subject>brachycephalic</subject><subject>Case reports</subject><subject>Computed tomography</subject><subject>Conformation</subject><subject>Craniosynostoses - diagnostic imaging</subject><subject>Craniosynostoses - veterinary</subject><subject>Dog Diseases - diagnostic imaging</subject><subject>Dogs</subject><subject>hyoid</subject><subject>Hyoid Bone - abnormalities</subject><subject>Measurement techniques</subject><subject>Morphology</subject><subject>Radius</subject><subject>Skull</subject><subject>Tomography, X-Ray Computed - veterinary</subject><issn>0005-0423</issn><issn>1751-0813</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp1kctOwzAQRS0EgvJY8APIEhtYBPyME3alojxUiQ2wtRzHpa4SO9gJqH-PS4EFEt6MRnN8NJoLwDFGFzi9S_W-vMAUE7QFRlhwnKEC020wQgjxDDFC98B-jEuEqOCE74I9yjgpCGMjsBxXzodWNXCx8raG2rv5uu-td9A6OA3G6QW8Hpqm9q_xCmoVDQym86GHyq0_tN3Qmxr2vvWvQXULq9NApdbqpF3PVbDRu0OwM1dNNEff9QA8T2-eJnfZ7PH2fjKeZZpyijKujGBYVZQgTCpWM0oMNwUxOc411UaUeZWXPJ9rjSrOElySCuGalHUpSK3oATjbeLvg3wYTe9naqE3TKGf8ECXhgjKGRSESevoHXfohuLSdJDkRlBSUskSdbygdfIzBzGUXbKvCSmIk1wHIFID8CiCxJ9_GoWpN_Uv-XDwBlxvgwzZm9b9Jjl8eNspPgx2PcA</recordid><startdate>202201</startdate><enddate>202201</enddate><creator>Bruyn, BW</creator><creator>Hosgood, G</creator><general>Wiley Publishing Asia Pty Ltd</general><general>Wiley Subscription Services, Inc</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QP</scope><scope>7T5</scope><scope>7TK</scope><scope>H94</scope><scope>K9.</scope><scope>7X8</scope></search><sort><creationdate>202201</creationdate><title>Abnormal hyoid conformation in French Bulldogs: case report and computed tomographic anatomical comparison</title><author>Bruyn, BW ; Hosgood, G</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3530-5ae741ab32012b4d432e5e82e616c3ce796b6956fcc0b54e7492b01d29d972da3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Airway Obstruction - veterinary</topic><topic>Animals</topic><topic>brachycephalic</topic><topic>Case reports</topic><topic>Computed tomography</topic><topic>Conformation</topic><topic>Craniosynostoses - diagnostic imaging</topic><topic>Craniosynostoses - veterinary</topic><topic>Dog Diseases - diagnostic imaging</topic><topic>Dogs</topic><topic>hyoid</topic><topic>Hyoid Bone - abnormalities</topic><topic>Measurement techniques</topic><topic>Morphology</topic><topic>Radius</topic><topic>Skull</topic><topic>Tomography, X-Ray Computed - veterinary</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bruyn, BW</creatorcontrib><creatorcontrib>Hosgood, G</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>Immunology Abstracts</collection><collection>Neurosciences Abstracts</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>MEDLINE - Academic</collection><jtitle>Australian veterinary journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bruyn, BW</au><au>Hosgood, G</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Abnormal hyoid conformation in French Bulldogs: case report and computed tomographic anatomical comparison</atitle><jtitle>Australian veterinary journal</jtitle><addtitle>Aust Vet J</addtitle><date>2022-01</date><risdate>2022</risdate><volume>100</volume><issue>1-2</issue><spage>63</spage><epage>66</epage><pages>63-66</pages><issn>0005-0423</issn><eissn>1751-0813</eissn><abstract>Background
Brachycephalic obstructive airway syndrome (BOAS) is common in brachycephalic breeds and comprises multiple anatomic characteristics. Computed tomography (CT) is increasingly used in the preoperative assessment of dogs presenting with BOAS. We describe the case of a French Bulldog with a presumed congenital hyoid malformation and anatomic comparison of hyoid morphology between French Bulldogs and mesaticephalic dogs using CT.
Methods
Skull CT studies of French Bulldogs and mesaticephalic dogs presenting to two referral hospitals between 2013 and 2020 were collected. The degree of curvature of the basihyoid bone and the relative ventrodorsal thickness (RVD) were determined using a novel measurement technique. A circle of best fit was applied to the inside arc of the basihyoid bone, and the radius and sector angle within the basihyoid bone were recorded. The RVD was defined by the ventrodorsal thickness divided by the width in the frontal plane.
Results
The basihyoid bone of French Bulldogs had a greater mean ± SD RVD of 0.23 ± 0.04 compared to 0.16 ± 0.03 in mesaticephalic dogs (P < 0.01). The sector angle was also greater in French Bulldogs, measuring 144.08 ± 20.88° compared to 103.94 ± 16.49° in mesaticephalic dogs (P < 0.01).
Conclusion
This case of hyoid malformation in a French Bulldog reports a rarely documented condition that complicated the management of BOAS. Comparative assessment of hyoid conformation revealed more acute curvature and greater RVD in French Bulldogs than in mesaticephalic dogs. This may represent an additional distorted anatomic component of brachycephalic skull morphology.</abstract><cop>Melbourne</cop><pub>Wiley Publishing Asia Pty Ltd</pub><pmid>34528244</pmid><doi>10.1111/avj.13120</doi><tpages>4</tpages></addata></record> |
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| source | Wiley-Blackwell Journals; MEDLINE |
| subjects | Airway Obstruction - veterinary Animals brachycephalic Case reports Computed tomography Conformation Craniosynostoses - diagnostic imaging Craniosynostoses - veterinary Dog Diseases - diagnostic imaging Dogs hyoid Hyoid Bone - abnormalities Measurement techniques Morphology Radius Skull Tomography, X-Ray Computed - veterinary |
| title | Abnormal hyoid conformation in French Bulldogs: case report and computed tomographic anatomical comparison |
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