• Injury · Dec 2016

    Where is the true location of the femoral piriform fossa?

    • Pedro José Labronici, Fernando Claudino Dos Santos Filho, Pires Robinson Esteves Santos RES Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, MG, Brazil., André Wajnsztejn, José Octavio Soares Hungria, Vinicius Schott Gameiro, and da Silva Luiz Henrique Penteado LHP Department of Trauma, Member of Pelvic and Hip Surgery Team, Instituto de Ortopedia e Traumatologia (IOT), Hospital do Trauma, Hospita.
    • Universidade Federal Fluminense (UFF), Niterói, RJ, Brazil; Faculdade de Medicina de Petrópolis (FMP), Petrópolis, RJ, Brazil. Electronic address: plabronici@globo.com.
    • Injury. 2016 Dec 1; 47 (12): 2749-2754.

    ObjectiveTo analyze knowledge of the anatomic location of the piriform fossa using a questionnaire with anatomic figures.Materials And MethodsParticipants taking AO Trauma Brasil courses were requested to complete a questionnaire containing a photograph of the superior surface and a photograph of the lateral surface of the femur and answer a question asking which of four numbered points corresponded to the piriform fossa.ResultsJust 4.5% of respondents correctly chose point 2 (the piriform fossa) in both images, while 75.4% of respondents chose point 4 (the trochanteric fossa) as the correct anatomic structure. The subset of 4th-year residents' answers was significantly different from those of the other subsets, with 7.5% of correct answers.ConclusionsThe low rate of correct answers indicates a tendency for the respondents to be influenced by illustrations in text books or examples in scientific publications that indicate the site of the piriform fossa incorrectly. Interest in the specialty of traumatology is possibly the reason why the subset of 4th-year residents had a better- than-average rate of correct answers.Copyright © 2016 Elsevier Ltd. All rights reserved.

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