17th INTERNATIONAL MEDICINE AND HEALTH SCIENCES RESEARCHERS CONGRESS
A Variation in Humerus Bone Anatomy: Supratrochlear Foramen
Foramen supratrochlearis is a rare, usually small and naturally occurring anatomical variation in the distal part of the humerus, the longest and widest bone of the upper extremity. Just proximal to the trochlea humeri, the articulating surface of the humerus with the ulna, there are anteriorly located fossa olecrani and posteriorly located fossa coronoidea. These two fossae are normally separated by a thin bony lamina. In studies, an opening in this septum was detected and named as foramen supratrochlearis. It is important to know the anatomical variation as it may be confused with pathologies when detected by imaging methods or some nerves and vessels are likely to pass through it. Studies show that it can be seen at different rates in different populations. In the Turkish population, this rate has been found between 10.8% and 20.37% in different studies. The aim of this study is to present a case of foramen supratrochlearis seen on humeral bones in the laboratory of the Department of Anatomy, Faculty of Medicine.
