What anatomical structure appears superficial to the femoral vessels in a case of cellulitis?

In the context of cellulitis, which is an infection of the skin and underlying tissue, understanding the anatomical layers is crucial. The correct option identifies the lymph nodes as superficial to the femoral vessels, particularly in the groin area.

Lymph nodes play a critical role in the immune response and are often located in areas where lymphatic drainage occurs, such as the groin. In cases of cellulitis in the lower extremities, the infection can cause lymphadenopathy, or swelling of the lymph nodes, as they become activated in response to the infection. Consequently, during an examination or imaging, the lymph nodes can appear as superficial structures above the femoral vessels.

The femoral vessels, which include the femoral artery and vein, are located deeper within the tissue layer beneath the skin and the superficial fascia. They are surrounded by connective tissues and are relatively protected from superficial infections unless the condition is advanced. Other nearby structures, such as adipose tissue and muscle, are also deeper than the lymph nodes. Therefore, the lymph nodes are indeed the most superficial anatomical structures in this specific scenario of cellulitis.