Symptoms are similar to that of patellofemoral pain syndrome with pain and swelling at the front of the knee especially over and around the kneecap or patella. (sportsinjuryclinic.net)
It is sometimes be confused or misdiagnosed as patellofemoral pain syndrome as the symptoms can be similar. (sportsinjuryclinic.net)
Though you'll feel the ache in your knee, the true source of the discomfort from patellofemoral pain syndrome usually lies above or below the knee joint. (health.com)