In 1909, Sir William Osler described the painful, erythematous nodules that occur on the hands and feet of patients with BE. 1 Up to 25% of BE patients will develop one or more Osler nodes during ...

Painful lumps on the toes These lumps on your toes are known as Osler nodes. They can indicate a rare but potentially fatal infection or inflammation of the heart's inner lining, called endocarditis.

Small, tender bumps on your toes or fingers, called Osler nodes, could signal a heart infection like infective endocarditis. This infection affects the heart's lining and valves.