Anterior medial knee pain, frequently chronic (insertion of<unk><unk> 
Worse with ascending stairs and when arising from a seated position
Focal swelling occasionally noted over the bursa
TTP over the bursa
Pes anserine bursitis
Knee dislocation
Prepatellar bursitis 
Knee fractures
Calcaneal bursitis
Patella fracture
Olecranon bursitis 
Segond fracture