A multitude of variations in the configuration of the circle of Willis: an autopsy study

Abstract The circle of Willis (CW) is an anastomotic system of arteries located at the base of the brain. The aim of the study was to evaluate the anatomic configuration of the CW in the Polish population and to compare results with previously conducted research. Brains were obtained from 100 recent...
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Autor*in:	Klimek-Piotrowska, Wiesława [verfasserIn] Rybicka, Monika Wojnarska, Aleksandra Wójtowicz, Agnieszka Koziej, Mateusz Hołda, Mateusz K.

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2015

Schlagwörter:	Circle of Willis Anterior communicating artery Anterior cerebral artery Posterior communicating artery Posterior cerebral artery Internal carotid artery

Anmerkung:	© Japanese Association of Anatomists 2015

Übergeordnetes Werk:	Enthalten in: Anatomical science international - Tokyo : Springer Japan, 2002, 91(2015), 4 vom: 06. Okt., Seite 325-333
Übergeordnetes Werk:	volume:91 ; year:2015 ; number:4 ; day:06 ; month:10 ; pages:325-333

Links:	Volltext

DOI / URN:	10.1007/s12565-015-0301-2

Katalog-ID:	SPR026134861

Internformat


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520			\|a Abstract The circle of Willis (CW) is an anastomotic system of arteries located at the base of the brain. The aim of the study was to evaluate the anatomic configuration of the CW in the Polish population and to compare results with previously conducted research. Brains were obtained from 100 recently deceased human adults, and the diameters of cerebral vessels were measured using a slide caliper. Cerebral vessels were observed, paying attention to their origin, diameter, typical configuration and variations. Twenty-seven percent of cases presented the typical literature pattern. The remaining 73 % of all cases were atypical; in 16 % the CW was incomplete and in 57 % complete. Atypical findings involved the posterior communicating artery (PcomA), 62 %; anterior communicating artery (AcomA), 22 %; anterior cerebral artery (ACA), 14 %; posterior cerebral artery (PCA), 8 %. The most common variations were bilateral hypoplastic PcomAs (27 % of cases) and unilateral hypoplastic PcomAs (19 % of cases). Only 9 of the 22 types of CW variations classified previously in the literature were observed, and 26 variations (36 cases) in our study were labeled as ‘other’ type. Mean diameter values for typical CW patterns were internal carotid artery = 3.6 mm, ACA = 2.3 mm, AcomA = 1.9 mm, PCA = 2.2 mm and PcomA = 1.4 mm. Circle of Willis variations have a large impact on clinical practice. This study shows many rare variations that should be taken into consideration to avoid any unexpected complications during surgical procedures involving cerebral vessels.
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allfields	10.1007/s12565-015-0301-2 doi (DE-627)SPR026134861 (SPR)s12565-015-0301-2-e DE-627 ger DE-627 rakwb eng Klimek-Piotrowska, Wiesława verfasserin aut A multitude of variations in the configuration of the circle of Willis: an autopsy study 2015 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Japanese Association of Anatomists 2015 Abstract The circle of Willis (CW) is an anastomotic system of arteries located at the base of the brain. The aim of the study was to evaluate the anatomic configuration of the CW in the Polish population and to compare results with previously conducted research. Brains were obtained from 100 recently deceased human adults, and the diameters of cerebral vessels were measured using a slide caliper. Cerebral vessels were observed, paying attention to their origin, diameter, typical configuration and variations. Twenty-seven percent of cases presented the typical literature pattern. The remaining 73 % of all cases were atypical; in 16 % the CW was incomplete and in 57 % complete. Atypical findings involved the posterior communicating artery (PcomA), 62 %; anterior communicating artery (AcomA), 22 %; anterior cerebral artery (ACA), 14 %; posterior cerebral artery (PCA), 8 %. The most common variations were bilateral hypoplastic PcomAs (27 % of cases) and unilateral hypoplastic PcomAs (19 % of cases). Only 9 of the 22 types of CW variations classified previously in the literature were observed, and 26 variations (36 cases) in our study were labeled as ‘other’ type. Mean diameter values for typical CW patterns were internal carotid artery = 3.6 mm, ACA = 2.3 mm, AcomA = 1.9 mm, PCA = 2.2 mm and PcomA = 1.4 mm. Circle of Willis variations have a large impact on clinical practice. This study shows many rare variations that should be taken into consideration to avoid any unexpected complications during surgical procedures involving cerebral vessels. Circle of Willis (dpeaa)DE-He213 Anterior communicating artery (dpeaa)DE-He213 Anterior cerebral artery (dpeaa)DE-He213 Posterior communicating artery (dpeaa)DE-He213 Posterior cerebral artery (dpeaa)DE-He213 Internal carotid artery (dpeaa)DE-He213 Rybicka, Monika aut Wojnarska, Aleksandra aut Wójtowicz, Agnieszka aut Koziej, Mateusz aut Hołda, Mateusz K. aut Enthalten in Anatomical science international Tokyo : Springer Japan, 2002 91(2015), 4 vom: 06. Okt., Seite 325-333 (DE-627)346832063 (DE-600)2077837-5 1447-073X nnns volume:91 year:2015 number:4 day:06 month:10 pages:325-333 https://dx.doi.org/10.1007/s12565-015-0301-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 91 2015 4 06 10 325-333
spelling	10.1007/s12565-015-0301-2 doi (DE-627)SPR026134861 (SPR)s12565-015-0301-2-e DE-627 ger DE-627 rakwb eng Klimek-Piotrowska, Wiesława verfasserin aut A multitude of variations in the configuration of the circle of Willis: an autopsy study 2015 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Japanese Association of Anatomists 2015 Abstract The circle of Willis (CW) is an anastomotic system of arteries located at the base of the brain. The aim of the study was to evaluate the anatomic configuration of the CW in the Polish population and to compare results with previously conducted research. Brains were obtained from 100 recently deceased human adults, and the diameters of cerebral vessels were measured using a slide caliper. Cerebral vessels were observed, paying attention to their origin, diameter, typical configuration and variations. Twenty-seven percent of cases presented the typical literature pattern. The remaining 73 % of all cases were atypical; in 16 % the CW was incomplete and in 57 % complete. Atypical findings involved the posterior communicating artery (PcomA), 62 %; anterior communicating artery (AcomA), 22 %; anterior cerebral artery (ACA), 14 %; posterior cerebral artery (PCA), 8 %. The most common variations were bilateral hypoplastic PcomAs (27 % of cases) and unilateral hypoplastic PcomAs (19 % of cases). Only 9 of the 22 types of CW variations classified previously in the literature were observed, and 26 variations (36 cases) in our study were labeled as ‘other’ type. Mean diameter values for typical CW patterns were internal carotid artery = 3.6 mm, ACA = 2.3 mm, AcomA = 1.9 mm, PCA = 2.2 mm and PcomA = 1.4 mm. Circle of Willis variations have a large impact on clinical practice. This study shows many rare variations that should be taken into consideration to avoid any unexpected complications during surgical procedures involving cerebral vessels. Circle of Willis (dpeaa)DE-He213 Anterior communicating artery (dpeaa)DE-He213 Anterior cerebral artery (dpeaa)DE-He213 Posterior communicating artery (dpeaa)DE-He213 Posterior cerebral artery (dpeaa)DE-He213 Internal carotid artery (dpeaa)DE-He213 Rybicka, Monika aut Wojnarska, Aleksandra aut Wójtowicz, Agnieszka aut Koziej, Mateusz aut Hołda, Mateusz K. aut Enthalten in Anatomical science international Tokyo : Springer Japan, 2002 91(2015), 4 vom: 06. Okt., Seite 325-333 (DE-627)346832063 (DE-600)2077837-5 1447-073X nnns volume:91 year:2015 number:4 day:06 month:10 pages:325-333 https://dx.doi.org/10.1007/s12565-015-0301-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 91 2015 4 06 10 325-333
allfields_unstemmed	10.1007/s12565-015-0301-2 doi (DE-627)SPR026134861 (SPR)s12565-015-0301-2-e DE-627 ger DE-627 rakwb eng Klimek-Piotrowska, Wiesława verfasserin aut A multitude of variations in the configuration of the circle of Willis: an autopsy study 2015 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Japanese Association of Anatomists 2015 Abstract The circle of Willis (CW) is an anastomotic system of arteries located at the base of the brain. The aim of the study was to evaluate the anatomic configuration of the CW in the Polish population and to compare results with previously conducted research. Brains were obtained from 100 recently deceased human adults, and the diameters of cerebral vessels were measured using a slide caliper. Cerebral vessels were observed, paying attention to their origin, diameter, typical configuration and variations. Twenty-seven percent of cases presented the typical literature pattern. The remaining 73 % of all cases were atypical; in 16 % the CW was incomplete and in 57 % complete. Atypical findings involved the posterior communicating artery (PcomA), 62 %; anterior communicating artery (AcomA), 22 %; anterior cerebral artery (ACA), 14 %; posterior cerebral artery (PCA), 8 %. The most common variations were bilateral hypoplastic PcomAs (27 % of cases) and unilateral hypoplastic PcomAs (19 % of cases). Only 9 of the 22 types of CW variations classified previously in the literature were observed, and 26 variations (36 cases) in our study were labeled as ‘other’ type. Mean diameter values for typical CW patterns were internal carotid artery = 3.6 mm, ACA = 2.3 mm, AcomA = 1.9 mm, PCA = 2.2 mm and PcomA = 1.4 mm. Circle of Willis variations have a large impact on clinical practice. This study shows many rare variations that should be taken into consideration to avoid any unexpected complications during surgical procedures involving cerebral vessels. Circle of Willis (dpeaa)DE-He213 Anterior communicating artery (dpeaa)DE-He213 Anterior cerebral artery (dpeaa)DE-He213 Posterior communicating artery (dpeaa)DE-He213 Posterior cerebral artery (dpeaa)DE-He213 Internal carotid artery (dpeaa)DE-He213 Rybicka, Monika aut Wojnarska, Aleksandra aut Wójtowicz, Agnieszka aut Koziej, Mateusz aut Hołda, Mateusz K. aut Enthalten in Anatomical science international Tokyo : Springer Japan, 2002 91(2015), 4 vom: 06. Okt., Seite 325-333 (DE-627)346832063 (DE-600)2077837-5 1447-073X nnns volume:91 year:2015 number:4 day:06 month:10 pages:325-333 https://dx.doi.org/10.1007/s12565-015-0301-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 91 2015 4 06 10 325-333
allfieldsGer	10.1007/s12565-015-0301-2 doi (DE-627)SPR026134861 (SPR)s12565-015-0301-2-e DE-627 ger DE-627 rakwb eng Klimek-Piotrowska, Wiesława verfasserin aut A multitude of variations in the configuration of the circle of Willis: an autopsy study 2015 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Japanese Association of Anatomists 2015 Abstract The circle of Willis (CW) is an anastomotic system of arteries located at the base of the brain. The aim of the study was to evaluate the anatomic configuration of the CW in the Polish population and to compare results with previously conducted research. Brains were obtained from 100 recently deceased human adults, and the diameters of cerebral vessels were measured using a slide caliper. Cerebral vessels were observed, paying attention to their origin, diameter, typical configuration and variations. Twenty-seven percent of cases presented the typical literature pattern. The remaining 73 % of all cases were atypical; in 16 % the CW was incomplete and in 57 % complete. Atypical findings involved the posterior communicating artery (PcomA), 62 %; anterior communicating artery (AcomA), 22 %; anterior cerebral artery (ACA), 14 %; posterior cerebral artery (PCA), 8 %. The most common variations were bilateral hypoplastic PcomAs (27 % of cases) and unilateral hypoplastic PcomAs (19 % of cases). Only 9 of the 22 types of CW variations classified previously in the literature were observed, and 26 variations (36 cases) in our study were labeled as ‘other’ type. Mean diameter values for typical CW patterns were internal carotid artery = 3.6 mm, ACA = 2.3 mm, AcomA = 1.9 mm, PCA = 2.2 mm and PcomA = 1.4 mm. Circle of Willis variations have a large impact on clinical practice. This study shows many rare variations that should be taken into consideration to avoid any unexpected complications during surgical procedures involving cerebral vessels. Circle of Willis (dpeaa)DE-He213 Anterior communicating artery (dpeaa)DE-He213 Anterior cerebral artery (dpeaa)DE-He213 Posterior communicating artery (dpeaa)DE-He213 Posterior cerebral artery (dpeaa)DE-He213 Internal carotid artery (dpeaa)DE-He213 Rybicka, Monika aut Wojnarska, Aleksandra aut Wójtowicz, Agnieszka aut Koziej, Mateusz aut Hołda, Mateusz K. aut Enthalten in Anatomical science international Tokyo : Springer Japan, 2002 91(2015), 4 vom: 06. Okt., Seite 325-333 (DE-627)346832063 (DE-600)2077837-5 1447-073X nnns volume:91 year:2015 number:4 day:06 month:10 pages:325-333 https://dx.doi.org/10.1007/s12565-015-0301-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 91 2015 4 06 10 325-333
allfieldsSound	10.1007/s12565-015-0301-2 doi (DE-627)SPR026134861 (SPR)s12565-015-0301-2-e DE-627 ger DE-627 rakwb eng Klimek-Piotrowska, Wiesława verfasserin aut A multitude of variations in the configuration of the circle of Willis: an autopsy study 2015 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Japanese Association of Anatomists 2015 Abstract The circle of Willis (CW) is an anastomotic system of arteries located at the base of the brain. The aim of the study was to evaluate the anatomic configuration of the CW in the Polish population and to compare results with previously conducted research. Brains were obtained from 100 recently deceased human adults, and the diameters of cerebral vessels were measured using a slide caliper. Cerebral vessels were observed, paying attention to their origin, diameter, typical configuration and variations. Twenty-seven percent of cases presented the typical literature pattern. The remaining 73 % of all cases were atypical; in 16 % the CW was incomplete and in 57 % complete. Atypical findings involved the posterior communicating artery (PcomA), 62 %; anterior communicating artery (AcomA), 22 %; anterior cerebral artery (ACA), 14 %; posterior cerebral artery (PCA), 8 %. The most common variations were bilateral hypoplastic PcomAs (27 % of cases) and unilateral hypoplastic PcomAs (19 % of cases). Only 9 of the 22 types of CW variations classified previously in the literature were observed, and 26 variations (36 cases) in our study were labeled as ‘other’ type. Mean diameter values for typical CW patterns were internal carotid artery = 3.6 mm, ACA = 2.3 mm, AcomA = 1.9 mm, PCA = 2.2 mm and PcomA = 1.4 mm. Circle of Willis variations have a large impact on clinical practice. This study shows many rare variations that should be taken into consideration to avoid any unexpected complications during surgical procedures involving cerebral vessels. Circle of Willis (dpeaa)DE-He213 Anterior communicating artery (dpeaa)DE-He213 Anterior cerebral artery (dpeaa)DE-He213 Posterior communicating artery (dpeaa)DE-He213 Posterior cerebral artery (dpeaa)DE-He213 Internal carotid artery (dpeaa)DE-He213 Rybicka, Monika aut Wojnarska, Aleksandra aut Wójtowicz, Agnieszka aut Koziej, Mateusz aut Hołda, Mateusz K. aut Enthalten in Anatomical science international Tokyo : Springer Japan, 2002 91(2015), 4 vom: 06. Okt., Seite 325-333 (DE-627)346832063 (DE-600)2077837-5 1447-073X nnns volume:91 year:2015 number:4 day:06 month:10 pages:325-333 https://dx.doi.org/10.1007/s12565-015-0301-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 91 2015 4 06 10 325-333
language	English
source	Enthalten in Anatomical science international 91(2015), 4 vom: 06. Okt., Seite 325-333 volume:91 year:2015 number:4 day:06 month:10 pages:325-333
sourceStr	Enthalten in Anatomical science international 91(2015), 4 vom: 06. Okt., Seite 325-333 volume:91 year:2015 number:4 day:06 month:10 pages:325-333
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Circle of Willis Anterior communicating artery Anterior cerebral artery Posterior communicating artery Posterior cerebral artery Internal carotid artery
isfreeaccess_bool	false
container_title	Anatomical science international
authorswithroles_txt_mv	Klimek-Piotrowska, Wiesława @@aut@@ Rybicka, Monika @@aut@@ Wojnarska, Aleksandra @@aut@@ Wójtowicz, Agnieszka @@aut@@ Koziej, Mateusz @@aut@@ Hołda, Mateusz K. @@aut@@
publishDateDaySort_date	2015-10-06T00:00:00Z
hierarchy_top_id	346832063
id	SPR026134861
language_de	englisch
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author	Klimek-Piotrowska, Wiesława
spellingShingle	Klimek-Piotrowska, Wiesława misc Circle of Willis misc Anterior communicating artery misc Anterior cerebral artery misc Posterior communicating artery misc Posterior cerebral artery misc Internal carotid artery A multitude of variations in the configuration of the circle of Willis: an autopsy study
authorStr	Klimek-Piotrowska, Wiesława
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topic_title	A multitude of variations in the configuration of the circle of Willis: an autopsy study Circle of Willis (dpeaa)DE-He213 Anterior communicating artery (dpeaa)DE-He213 Anterior cerebral artery (dpeaa)DE-He213 Posterior communicating artery (dpeaa)DE-He213 Posterior cerebral artery (dpeaa)DE-He213 Internal carotid artery (dpeaa)DE-He213
topic	misc Circle of Willis misc Anterior communicating artery misc Anterior cerebral artery misc Posterior communicating artery misc Posterior cerebral artery misc Internal carotid artery
topic_unstemmed	misc Circle of Willis misc Anterior communicating artery misc Anterior cerebral artery misc Posterior communicating artery misc Posterior cerebral artery misc Internal carotid artery
topic_browse	misc Circle of Willis misc Anterior communicating artery misc Anterior cerebral artery misc Posterior communicating artery misc Posterior cerebral artery misc Internal carotid artery
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title	A multitude of variations in the configuration of the circle of Willis: an autopsy study
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title_full	A multitude of variations in the configuration of the circle of Willis: an autopsy study
author_sort	Klimek-Piotrowska, Wiesława
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author_browse	Klimek-Piotrowska, Wiesława Rybicka, Monika Wojnarska, Aleksandra Wójtowicz, Agnieszka Koziej, Mateusz Hołda, Mateusz K.
container_volume	91
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author-letter	Klimek-Piotrowska, Wiesława
doi_str_mv	10.1007/s12565-015-0301-2
title_sort	multitude of variations in the configuration of the circle of willis: an autopsy study
title_auth	A multitude of variations in the configuration of the circle of Willis: an autopsy study
abstract	Abstract The circle of Willis (CW) is an anastomotic system of arteries located at the base of the brain. The aim of the study was to evaluate the anatomic configuration of the CW in the Polish population and to compare results with previously conducted research. Brains were obtained from 100 recently deceased human adults, and the diameters of cerebral vessels were measured using a slide caliper. Cerebral vessels were observed, paying attention to their origin, diameter, typical configuration and variations. Twenty-seven percent of cases presented the typical literature pattern. The remaining 73 % of all cases were atypical; in 16 % the CW was incomplete and in 57 % complete. Atypical findings involved the posterior communicating artery (PcomA), 62 %; anterior communicating artery (AcomA), 22 %; anterior cerebral artery (ACA), 14 %; posterior cerebral artery (PCA), 8 %. The most common variations were bilateral hypoplastic PcomAs (27 % of cases) and unilateral hypoplastic PcomAs (19 % of cases). Only 9 of the 22 types of CW variations classified previously in the literature were observed, and 26 variations (36 cases) in our study were labeled as ‘other’ type. Mean diameter values for typical CW patterns were internal carotid artery = 3.6 mm, ACA = 2.3 mm, AcomA = 1.9 mm, PCA = 2.2 mm and PcomA = 1.4 mm. Circle of Willis variations have a large impact on clinical practice. This study shows many rare variations that should be taken into consideration to avoid any unexpected complications during surgical procedures involving cerebral vessels. © Japanese Association of Anatomists 2015
abstractGer	Abstract The circle of Willis (CW) is an anastomotic system of arteries located at the base of the brain. The aim of the study was to evaluate the anatomic configuration of the CW in the Polish population and to compare results with previously conducted research. Brains were obtained from 100 recently deceased human adults, and the diameters of cerebral vessels were measured using a slide caliper. Cerebral vessels were observed, paying attention to their origin, diameter, typical configuration and variations. Twenty-seven percent of cases presented the typical literature pattern. The remaining 73 % of all cases were atypical; in 16 % the CW was incomplete and in 57 % complete. Atypical findings involved the posterior communicating artery (PcomA), 62 %; anterior communicating artery (AcomA), 22 %; anterior cerebral artery (ACA), 14 %; posterior cerebral artery (PCA), 8 %. The most common variations were bilateral hypoplastic PcomAs (27 % of cases) and unilateral hypoplastic PcomAs (19 % of cases). Only 9 of the 22 types of CW variations classified previously in the literature were observed, and 26 variations (36 cases) in our study were labeled as ‘other’ type. Mean diameter values for typical CW patterns were internal carotid artery = 3.6 mm, ACA = 2.3 mm, AcomA = 1.9 mm, PCA = 2.2 mm and PcomA = 1.4 mm. Circle of Willis variations have a large impact on clinical practice. This study shows many rare variations that should be taken into consideration to avoid any unexpected complications during surgical procedures involving cerebral vessels. © Japanese Association of Anatomists 2015
abstract_unstemmed	Abstract The circle of Willis (CW) is an anastomotic system of arteries located at the base of the brain. The aim of the study was to evaluate the anatomic configuration of the CW in the Polish population and to compare results with previously conducted research. Brains were obtained from 100 recently deceased human adults, and the diameters of cerebral vessels were measured using a slide caliper. Cerebral vessels were observed, paying attention to their origin, diameter, typical configuration and variations. Twenty-seven percent of cases presented the typical literature pattern. The remaining 73 % of all cases were atypical; in 16 % the CW was incomplete and in 57 % complete. Atypical findings involved the posterior communicating artery (PcomA), 62 %; anterior communicating artery (AcomA), 22 %; anterior cerebral artery (ACA), 14 %; posterior cerebral artery (PCA), 8 %. The most common variations were bilateral hypoplastic PcomAs (27 % of cases) and unilateral hypoplastic PcomAs (19 % of cases). Only 9 of the 22 types of CW variations classified previously in the literature were observed, and 26 variations (36 cases) in our study were labeled as ‘other’ type. Mean diameter values for typical CW patterns were internal carotid artery = 3.6 mm, ACA = 2.3 mm, AcomA = 1.9 mm, PCA = 2.2 mm and PcomA = 1.4 mm. Circle of Willis variations have a large impact on clinical practice. This study shows many rare variations that should be taken into consideration to avoid any unexpected complications during surgical procedures involving cerebral vessels. © Japanese Association of Anatomists 2015
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container_issue	4
title_short	A multitude of variations in the configuration of the circle of Willis: an autopsy study
url	https://dx.doi.org/10.1007/s12565-015-0301-2
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author2	Rybicka, Monika Wojnarska, Aleksandra Wójtowicz, Agnieszka Koziej, Mateusz Hołda, Mateusz K.
author2Str	Rybicka, Monika Wojnarska, Aleksandra Wójtowicz, Agnieszka Koziej, Mateusz Hołda, Mateusz K.
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doi_str	10.1007/s12565-015-0301-2
up_date	2024-07-03T19:03:52.173Z
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A multitude of variations in the configuration of the circle of Willis: an autopsy study

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