Horst M, Albrecht D, Drerup B
Z Orthop Ihre Grenzgeb. 1985 May-Jun;123(3):357-64. doi: 10.1055/s-2008-1045162.
Stereophotogrammetric measurement of body surface results in data, which are dependent on shape, posture and positioning of the patient. In order to establish a valid description and characterization of funnel chest measured by stereophotogrammetric methods, index numbers must be defined, which are independent of posture und positioning of the patient. This procedure is exemplified in the analysis of moiré topograms from 29 patients with funnel chest and 21 normal persons. The sagittal cross section is characterized by the index TI I, which in essential is the sum of absolute values of angles in a polygon along the section (cf. fig. 7). The funnel in the coronal cross section is characterized by the index TI II, which gives the quotient (in %) of the mean funnel width and funnel depth (cf. fig. 8). Application of the index numbers shows a good differentiation of TI I, independent of sex, whereas TI II might be most useful in follow up measurements.
体表的立体摄影测量会产生依赖于患者形状、姿势和体位的数据。为了通过立体摄影测量方法对漏斗胸建立有效的描述和特征，必须定义与患者姿势和体位无关的指数。这一过程在对29例漏斗胸患者和21名正常人的莫尔条纹地形图分析中得到例证。矢状面横截面由指数TI I表征，本质上它是沿该截面多边形中角度绝对值的总和（见图7）。冠状面横截面中的漏斗由指数TI II表征，它给出平均漏斗宽度与漏斗深度的商（以%计）（见图8）。这些指数的应用显示TI I具有良好的区分度，与性别无关，而TI II在随访测量中可能最有用。
