The European Spondylarthropathy Study Group preliminary criteria for the classification of spondylarthropathy.

@article{Dougados1991TheES,
  title={The European Spondylarthropathy Study Group preliminary criteria for the classification of spondylarthropathy.},
  author={Maxime R Dougados and Sjef M van der Linden and Roger Juhlin and Bernhard Huitfeldt and B. El Hadi Amor and Andrei Calin and Arnold Cats and Ben A. C. Dijkmans and Ignazio Olivieri and Giampiero Pasero},
  journal={Arthritis and rheumatism},
  year={1991},
  volume={34 10},
  pages={1218-27}
}
Classification criteria for most of the disorders belonging to the spondylarthropathy group already exist. However, the spectrum of spondylarthropathy is wider than the sum of these disorders suggests. Seronegative oligoarthritis, dactylitis or polyarthritis of the lower extremities, heel pain due to enthesitis, and other undifferentiated cases of spondylarthropathy have been ignored in epidemiologic studies because of the inadequacy of existing criteria. In order to define classification… CONTINUE READING
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