Diaphragmatic weakness and myositis associated with systemic juvenile rheumatoid arthritis

Can Med Assoc J. 1984 Jan 1;130(1):47-9.


An unusual presentation of systemic juvenile rheumatoid arthritis in a young adult is reported. Among the major manifestations were severe muscle weakness and dyspnea, which were found to be due to myositis and diaphragmatic weakness. The evolution of the disease and its response to therapy are described.

Publication types

  • Case Reports

MeSH terms

  • Adolescent
  • Arthritis, Juvenile / complications*
  • Arthritis, Juvenile / physiopathology
  • Diaphragm / physiopathology*
  • Humans
  • Male
  • Myositis / complications*
  • Myositis / physiopathology
  • Pleura / physiopathology
  • Pressure
  • Respiratory Function Tests
  • Stomach / physiopathology