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A 45-year-old building and construction employee went to the emergency situation department for his best shoulder, which was incredibly inflamed and ending up being gradually more agonizing. Medical professionals took an X-ray to attempt to see what was triggering the issue. When the images came through, it was what they didn’t see that discussed the circumstance: His whole shoulder joint was gone, apparently blasted apart into little, remaining pieces.
The shoulder joint is a ball-and-socket joint, with the sphere-like head of the arm bone (humerus) being in the socket of the shoulder blade. According to a case report in the New England Journal of Medicine, the male’s X-ray revealed that he no longer had a ball at all or an undamaged socket. His arm bone was removed from the joint, and the sphere-like top of his arm bone (humeral head) was entirely gone. The damaged, headless humerus was rather delegated drift easily in the guy’s arm, unattached to his upper body.
The guy’s shoulder, noticeably inflamed, and his X-ray revealing damage of the humeral head with a free-floating arm bone.
The guy’s shoulder, noticeably inflamed, and his X-ray revealing damage of the humeral head with a free-floating arm bone.
Credit: New England Journal of Medicine, 2026
Magnetic resonance imaging, on the other hand, discovered that the male’s rotator cuff– the group of muscles and tendons that holds the arm strongly in the socket– was likewise damaged. 3 of the 4 primary tendons (supraspinatus, infraspinatus, and subscapularis tendons) had full-thickness tears.
The medical professionals identified the guy with an uncommon, crippling condition called “Milwaukee Shoulder Syndrome” or MSS. The term was created in 1981 based upon the cases of 4 senior females in Wisconsin who, like the male, had serious damage of their shoulder joints and enormous tears to their rotator cuffs. The condition resembles– and perhaps a subtype of– quick damaging arthritis, which was recognized a year later on in 1982.
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