Verzeletti Andrea, Cassina Matteo, Micheli Lorenzo, Conti Adelaide, De Ferrari Francesco
Department of Forensic Medicine, University of Brescia, Piazzale Spedali Civili 1, 25123, Brescia, Italy.
Am J Forensic Med Pathol. 2010 Mar;31(1):27-33. doi: 10.1097/paf.0b013e3181c0e7a5.
Changes at the sternal extremity of the fourth rib have already been established as reliable indicators of age at death. Still now, the Iscan "phase method," based on the morphologic changes at the sternal extremity of the fourth rib, is one of the best effective for age estimation at death. The present study was carried out to develop an alternative method considering the morphologic characteristics of articular surface (A), anterior/posterior walls (B), and superior/inferior edges (C) of the sternal extremity of the fourth rib. For each parameter a numerical score was assigned and some regression formulae was elaborated. The best correlation between morphologic characteristics and age was obtained through the formula Age = 10.43 (AB)(0.53). The sample consisted of sternal extremities of the fourth rib obtained at autopsy from 49 white males of known age.
第四肋骨胸骨端的变化已被确认为死亡年龄的可靠指标。至今，基于第四肋骨胸骨端形态变化的伊斯坎“阶段法”仍是死亡年龄估计的最佳有效方法之一。本研究旨在开发一种替代方法，该方法考虑了第四肋骨胸骨端关节面（A）、前后壁（B）和上下边缘（C）的形态特征。为每个参数分配了一个数值分数，并制定了一些回归公式。通过公式“年龄 = 10.43×(AB)^(0.53)”获得了形态特征与年龄之间的最佳相关性。样本包括从49名已知年龄的白人男性尸检中获取的第四肋骨胸骨端。
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