Response to initial therapy is common, but so is relapse (25% to 50%) and/or prolonged, moderate discomfort (40%). Depending upon severity and quantity of multiple tendon injuries that have built up, the extensor carpi radialis brevis may not be fully healed by conservative treatment. Nirschl defines four stages of lateral epicondylitis, showing the introduction of permanent damage beginning at Stage 2. # Inflammatory changes that are reversible # Nonreversible pathologic changes to origin of the extensor carpi radialis brevis muscle # Rupture of ECRB muscle origin # Secondary changes such as fibrosis or calcification.
Tennis elbow
Osteoarthritis
Runner's knee
Osteochondritis dissecans
Elbow fracture
Radiculopathy
Bunion
Ulna fracture