The invasion of the joints and periarticular tissues by pyogenic organisms in infants is by no means a rare condition. The inflammation of the joint is usually secondary to an infection of the epiphysis. However, in many instances the inflammation spreads from the epiphysis to the periarticular tissues without affecting the joints proper. Clinically, there is great swelling, with or without suppuration, tenderness, redness and a great amount of induration.
This paper is a statistical study of seventy-three consecutive cases admitted to the Babies Hospital in the past fifteen years. The common conception seems to be, that purulent arthritis always follows a focal lesion. This may be true, but the focus of infection is indeterminable in the majority of instances. Of the seventy-three patients reported in this study, only thirty-two gave a history or showed on examination when admitted, any definite source of infection. Many are included in this number
JOHNSON FE. A STUDY OF SEVENTY-THREE CASES OF ACUTE ARTHRITIS IN INFANTS. Am J Dis Child. 1921;21(2):170–175. doi:10.1001/archpedi.1921.01910320067008
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