Egypt's second faith is Coptic Christianity. Copts are heirs of an ancient Christian rite. Coptic Christianity was the predominant religion in Egypt until the 10th century when a lot of Christians diverted to Islam. Christianity itself was brought in Egypt by St. Mark in the middle of the first century AD.
Other possible causes of swelling behind the knee include abscesses (infections); tumors of the skin, soft tissue, or bones; bleeding; deep venous thrombosis (blood clot in the deep veins of the legs); or deformity of the joint after a fracture of any of the bones of your knee joint.
A knee may appear swollen from an injury to the tendons, ligaments or meniscus. Other medical problems such as arthritis might contribute to swelling in the knee joint. Even overuse can make your knees swollen. The swelling might be within the knee joint or in the surrounding tissue. People call the latter âwater on the knee.â After you diagnose a swollen knee, you can try some home remedies.