Neuropathic arthropathy of the shoulder secondary to syringomyelia.

Many neurological disorders can lead to neuropathic arthropathy. When severe, the radiographic changes are virtually pathognomonic: joint disorganization is more profound than in any other arthropathy. Neuroarthropathy of the shoulder is most frequently seen in syringomyelia and can be the presenting symptom or the symptom leading to the--previously unrecognized--diagnosis. Such a case is presented.