Shoulder pain from infection and cancer
Cancer and bacteria infection cause pain that are usually relentlessly progressive. They don't get better. More, there are usually warmness, swelling, redness and severe pain in the shoulder area in the case of bacteria infection. There may be mass and pain in the shoulder area.
Pain from shoulder infection
This infectious joint pain is accompanied with high fever, shoulder joint swelling, extreme pain, movement making the pain much worse.
Shoulder pain from cancer
Rare shoulder pain from cancer. The pain is usually relentlessly progressive. Patient often has malaise and weight loss. There may be joint swelling or mass on the bone. Medical attention is needed.
Posterior shoulder pain from cancer
Young man with progressive right shoulder pain rapidly expanded to his right arm and right hand and fingers as shown. Pain resolved after right shoulder blade cancer was removed. Pain syndromes 1949 Bernard Judovich MD