{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,14]],"date-time":"2026-10-14T12:25:51Z","timestamp":1791980751337,"version":"4.4.0"},"reference-count":40,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2006,4,14]],"date-time":"2006-04-14T00:00:00Z","timestamp":1144972800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Clinical Anatomy"],"published-print":{"date-parts":[[2007,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Knowledge of variations of the circumflex femoral arteries is important when undertaking clinical procedures within the femoral region and in hip joint replacement. Since the 19th century, many different patterns have been proposed to classify their origins. This work studied a statistically reliable sample, the lower limbs of 221 embalmed human cadavers (equal right\u2013left and approximately equal sex distributions), and reviewed the previous literature to propose a unified and simple classification that will be useful to clinicians. Statistical comparisons were made using the \u03c7<jats:sup>2<\/jats:sup> test. The medial and lateral circumflex femoral arteries have been classified into three different patterns based on the levels of their origin. Distribution related to sex and side was also studied. Pattern I: Both arteries arose from the deep femoral artery (346 cases, 78.8%). This pattern was more frequent in females, <jats:italic>P<\/jats:italic> = 0.01. There was no significant difference between sides. Type Ia, medial circumflex femoral artery origin was proximal to the lateral circumflex femoral artery origin (53.2%); Type Ib, lateral circumflex femoral artery origin was proximal to medial circumflex femoral artery origin (23.4%); Type Ic, both arteries arose from a common trunk (23.4%). Pattern II: One of the arteries arose from the femoral artery and the other from the deep femoral artery (90 cases, 20.5%). Type IIa, the medial circumflex femoral artery arose from the femoral artery (77.8%) and Type IIb, the lateral circumflex femoral artery arose from the femoral artery (22.2%). There were no significant differences between sexes or sides. Pattern III: Both arteries arose from the femoral artery (2 cases, 0.5%). In every disposition there was a significantly higher prevalence of unilateral rather than bilateral occurrence. In one dissection the medial circumflex femoral artery was absent. Awareness of these variations could avoid unexpected injuries. Clin. Anat. 20:180\u2013185, 2007. \u00a9 2006 Wiley\u2010Liss, Inc.<\/jats:p>","DOI":"10.1002\/ca.20336","type":"journal-article","created":{"date-parts":[[2006,4,14]],"date-time":"2006-04-14T16:48:58Z","timestamp":1145033338000},"page":"180-185","source":"Crossref","is-referenced-by-count":22,"title":["Patterns of the circumflex femoral arteries revisited"],"prefix":"10.1002","volume":"20","author":[{"given":"M.T.","family":"Vazquez","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J.","family":"Murillo","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"E.","family":"Maranillo","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"I.","family":"Parkin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J.","family":"Sanudo","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2006,4,14]]},"reference":[{"key":"e_1_2_1_2_1","volume-title":"Das Arteriensen der Japaner","author":"Adachi B","year":"1928"},{"key":"e_1_2_1_3_1","first-page":"247","article-title":"Die beiden Arteriae circumflexe femoris des Menschen","volume":"27","author":"Auburtin G","year":"1905","journal-title":"Anat Anz"},{"key":"e_1_2_1_4_1","doi-asserted-by":"publisher","DOI":"10.1002\/ar.1090570403"},{"key":"e_1_2_1_5_1","volume-title":"Compendium of human anatomic variation","author":"Bergman RA","year":"1988"},{"key":"e_1_2_1_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/0002-9610(70)90139-X"},{"key":"e_1_2_1_7_1","doi-asserted-by":"publisher","DOI":"10.1002\/ar.1091520207"},{"key":"e_1_2_1_8_1","first-page":"248","article-title":"Arteria profunda femoris and its variations","volume":"86","author":"Chand I","year":"1951","journal-title":"Indian Med Gazette"},{"key":"e_1_2_1_9_1","doi-asserted-by":"publisher","DOI":"10.1002\/ar.1090460204"},{"key":"e_1_2_1_10_1","first-page":"25","article-title":"Eine bisher unbekannte Variet\u00e4t der Arteria obturatoria und pudenda accesoria mit einer Variet\u00e4t der A. 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