These tumors may appear as nodules or as red, scaly patches. Squamous cell carcinoma is the second most common skin cancer found in Caucasians. It typically is found on the rim of the ear, the face, the lips and mouth. It is rarely found on dark-skinned persons. This cancer will develop into large masses.
The branches of the femoral nerve serve the quadriceps muscles and skin of the anterior and medial thigh, while its largest branch, the saphenous nerve, extends to the skin of the medial leg and foot.
The first branch of the posterior trunk, the iliolumbar artery, runs anterolaterally towards the medial border of the psoas major muscle, where it divides into the lumbar and iliac branches. The lumbar branch supplies the psoas major and quadratus lumborum muscles whilst the iliac branch supplies the iliacus muscle.