The retroperitoneal part of the normal femoral nerve has been studied in 34 healthy subjects with ultrasound (US) to evaluate its course, thickness and anteroposterior diameter. A correlative cadaver study was also undertaken; a cadaver was scanned during dissection, and 12 cadavers were studied macroscopically to evaluate the length of the retroperitoneal part of the nerve. Because the femoral nerve could be well seen in its course in the retroperitoneum with US, it is suggested in this study which--to the authors' knowledge--is the first report on imaging of the femoral nerve, that sonography may serve as an initial imaging tool to detect lesions of the nerve itself as well as lesions adjacent to it.

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Aim: In this study, it was aimed to investigate the morphometric properties of Foramen spinosum (FS) according to the other studies in the literature by including various parameters such as measuring the number of bones, area, and circumference.Material and Method: 98 cranium and 35 basis crani were used in the study. The normal basilaris regions of cranium and basis crani are photographed by placing a metric close to the FS. Parameters of the FS, such as length (SU), width (SG), area (SA), and circumference (SC) were measured photogrammetrically on the Image J software program.Results: In the study, the difference between the right and left values of the SU, SG, SA, and SC measurements and the correlation were calculated. When the parameters of the right and left sides were evaluated statistically, no significant difference was observed (p>0.05). The weakest correlation is between the circumference measurement of the left side and the length of the right side. There is a strong correlation between the length of the left side and the width of the left side. Conclusion:Measurement and morphological properties of the FS are essential in the diagnosis and treatment of diseases related to A. meningea media, which is a crucial vessel passing through the FS. Also, these anatomical measurements can shed light on radiological studies and may even be supported by radiological studies.

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