Marrow oedema within the mid-to-distal fibular shaft with region of fibular cortical thickening, minimal cortical oedema and benign-type periosteal reaction. There is marked adjacent soft tissue oedema and linear enhancement. No focal osseous lesion or nodular enhancement is identified. No bony destruction. No further focal osseous lesion within the field of view. No ankle joint effusion. Diffuse muscle belly oedema within the extensor hallucis longus.