A number of conditions should be considered when diagnosing a patient with an arthropathy affecting both the spine and peripheral joints.
Patient selection: arthropathy affecting both the spine and peripheral joints
Differential diagnosis:
(1) ankylosing spondylitis
(2) diffuse idiopathic skeletal hyperostosis
(3) hemochromatosis
(4) hyperparathyroidism
(5) calcium pyrophosphate deposition disease (pseudogout)
(6) amyloidosis
(7) pigmented villonodular synovitis
(8) amiodarone
(9) ochronosis (alkaptonuria)
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Specialty: Immunology/Rheumatology
