Raised serum transaminase levels injuvenile rheumatoid arthritis (JRA) treated with salicylates have been reported by Russell, Sturge, and Smith (1971 Case report A 15-year-old boy was referred to the Leiden University Medical Centre. During hospitalization elsewhere he had been treated for suspected rheumatic fever with salicylates in doses up to 6 g. daily for 2 weeks, and 3 days before his admission at Leiden, the excision of a lymph node from the right axilla (histology: non-specific inflammation) had resulted in profuse bleeding requiring five blood transfusions (2,500 ml.). Thrombocytopenia had been demonstrated (thrombocytes 20,000 per p1.