The Washington Manual of Medical Therapeutics helps you diagnose and treat hundreds of medical conditions. Consult clinical recommendations from a resource that has been trusted on the wards for 50+ years. Explore these free sample topics:
-- The first section of this topic is shown below --
In the United States, approximately 17,000 patients were diagnosed with sarcomas in the year 2018. Risk increases with age. Predisposing factors include prior radiation, chemical and chemotherapy exposure, genetic syndromes, Paget disease of the bone, HIV/human herpesvirus 8 (HHV8) infection (Kaposi sarcoma), and chronic lymphedema (lymphangiosarcoma, also known as Stewart–Treves syndrome).