<prompt> Which of these statements is false for lesions of Erythema nodosumThey are considered as hypersensitivity reactionThe skin overlying the lesions is red, smooth and shinyThey are usually non tenderThey can be associated with tuberculosis  <response>: Lesions of erythema nodosum are very tender, and overlying skin is red shiny.Erythema nodosum is presumed to be a hypersensitivity reaction, and may occur in association with several systemic diseases, infections e.g. TB, drugs or it may be idiopathic 