The position and morphometry of the fovea capitis femoris in computed tomography of the hip

Surgical and Radiologic Anatomy : SRA
Marcin CeynowaTomasz Mazurek

Abstract

The position of the fovea of the femoral head is usually considered to be inferior or inferoposterior, despite the fact that few detailed anatomical studies have been performed. This study was performed to assess the position of the fovea in computed tomography and its correlation with standard radiographic measures of the proximal femur. Computed tomography scans of the hip of 107 patients (54 women and 53 men) were evaluated. The semi-coronal and transverse views were used to assess the femoral neck-shaft angle and the neck version, as well as the size and position of the fovea in relation with the femoral neck axis and the size of the head. The fovea was always located inferior to the neck axis in the semi-coronal plane. In the transverse plane, the fovea was always slightly posterior to the femoral neck axis, as approximately ¾ of its diameter was posterior to the axis. The position was unrelated to the neck-shaft axis and the neck-trochanter minor angle. There were no differences in the position between men and women; however, in women, the fovea is slightly larger than in men when related to the femoral head size. The femoral neck axis in the transverse plane always crosses the anterior aspect of the fovea. Its position i...Continue Reading

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