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Morphologic evaluation of vascular foramina in dry calcaneus
Mehmet Ülkir1, Helin Yücedağ Gündoğdu2
1Department of Anatomy, Faculty of Medicine, Hacettepe University, Sıhhiye, Çankaya, 06100, Ankara, Turkey. mehmet.ulkir@hotmail.com.
Purpose:
The purpose of this study is to provide reference data regarding the morphology of vascular foramina (VF) of calcaneus among the Turkish population.
Methods:
This study was performed using 49 dry calcanei (26 right, 23 left). The number as well as the location of VF in relation of each surface of calcaneus were evaluated. The total length (TL), the distance between the most posterior point of calcaneus and the largest foramina on the medial (LMS), lateral (LLS), superior (LSS) and inferior (LIS) surfaces were measured and foraminal indexes of the largest foramina on the medial (FI1), lateral (FI2), superior (FI3) and inferior (FI4) surfaces were calculated.
Results:
The mean values of the TL, LMS, LLS, LSS, LIS were measured to be 74.83 ± 6.00 mm, 41.34 ± 4.78 mm, 31.18 ± 7.63 mm, 49.61 ± 13.40 mm, 39.25 ± 13.56 mm, respectively. The mean values of the FI1, FI2, FI3 and FI4 were calculated to be 55.40 ± 6.21%, 41.73 ± 10.06%, 66.01 ± 16.82%, 52.16 ± 16.80%, respectively. The maximum numbers of VF were detected most commonly on the lateral (28.29%) and medial (26.45%) surfaces, and least commonly on the anterior (0.98%) and posterior (8.29%) surfaces.
Conclusions:
VF were observed to be most commonly located on the lateral and medial surfaces, and least commonly on the anterior and posterior surfaces. Having adequate knowledge of the morphologic and morphometric properties of the VF is important in regarding the surgical approaches to the calcaneus towards the aim of reducing the vascular damage, especially in lateral approaches for orthopedists and of using differential sign from cystic lesions for radiologists.
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