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Myofibroblastoma of the breast

Summary Myofibroblastoma of the breast is an uncommon stromal tumor most often found in older men. It usually presents as a solitary well‐circumscribed breast lesion consisting of slender bipolar spindle cells and broad bands of hyalinised collagen. This is the first documented case of myofibroblastoma of the breast in Australia. Found in a 71‐year‐old man, this case demonstrates many of the typical features of this entity. A history of previous trauma to the chest wall was present in this case, a finding only rarely associated with this lesion.