Christien Kluwe retweetledi

A patient came to me last month with a “rotator cuff tear” scheduled for surgery. His exam told a different story. He canceled the operation.
Here’s the uncomfortable truth about shoulder pain: imaging isn’t always a reliable witness in the room.
By age 60, more than half of asymptomatic adults have partial rotator cuff tears on imaging. The tear on the scan and the pain in the shoulder are often two unrelated facts. Sorting them out is a physical exam skill and it determines whether the right answer is a scalpel, a steroid, or a linear accelerator.
Three conditions. Three exams. Three answers.
1. Glenohumeral osteoarthritis: the stiff shoulder. Passive AND active range of motion are both lost. When I move the arm for the patient and it still won’t externally rotate, the joint surface itself is the problem. Imaging confirms: joint space narrowing, osteophytes. This is prime LDRT territory with synovial inflammation as a major pain driver.
2. Calcific tendinitis / cuff tendinopathy: the painful shoulder that still moves. Passive motion preserved. Painful arc at 60–120°. Positive Neer and Hawkins. Imaging shows calcium in the supraspinatus or tendon thickening with intact fibers. Decades of European data support LDRT here and arguably one of its most established periarticular indication.
3. True rotator cuff tear: the weak shoulder. This is the one exam finding that changes everything: weakness, not just pain-limited effort. Drop-arm sign. External rotation lag. MRI showing full-thickness tear with retraction and fatty infiltration.
The surgical lane is narrow and clear: acute traumatic full-thickness tear, younger active patient, retraction, progressive weakness. Send that patient to orthopedics the same week.
The LDRT lane is wider than most physicians realize: degenerative disease where inflammation drives the pain. The 68-year-old with OA and an incidental partial tear. The calcific tendinitis patient on her third steroid injection. The cuff tendinopathy patient who failed PT and isn’t a surgical candidate.
My patient? Full passive motion. No true weakness but just pain inhibition. His pain was inflammatory.
Treat the patient, not just the picture. The exam still decides.

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