Acute pain, tenderness, warmth, and erythema of affected bursa
None of which is seen in<unk> 
Fever (<50%)
None of which is seen in<unk>
Septic bursitis
Olecranon bursitis 
Hip bursitis
Prepatellar bursitis 
Cellulitis
Calcaneal bursitis
Septic arthritis
Septic arthritis 