sign or symptom rheumatic fever nodule Dani Welter Aschoff nodule PMID:8575737 rheumatic Aschoff nodule MESH:D012215 Aschoff body rheumatic nodule SNOMEDCT:89050001 A small round or oval, mostly subcutaneous nodule made up chiefly of a mass of Aschoff bodies and seen in cases of rheumatic fever. It is differentiated from the RHEUMATOID NODULE which appears in rheumatoid arthritis, most frequently over bony prominences. (From Dorland, 27th ed)