<prompt> Herbedens ahropathy affectsLumbar spineSymmetrically large jointsSacroiliac jointsDistal interphalangeal joints  <response>: Answer is D Distal interphalangeal joints Herbedens nodes or bony enlargement of distal interphalangeal joints are the most common form of idiopathic osteoahritis Bouchards nodes lierbedens nodes Bony enlargement of PIP joint in Bony enlargement of DIP joint in osteoahritis 