From: RS3PE syndrome developing during the course of probable toxic shock syndrome: a case report
Satisfies all of the following 4 items: | |
・Bilateral pitting edema of both hands and/or feet (rarely unilateral hand/ ft involvement) | |
・Sudden onset of polyarthritis | |
・Age > 50 years (occasional reports in young people) | |
・Persistent rheumatoid factor seronegativity |