15-year-old female with history of ankle pain. TENDONS: No significant abnormality noted.LIGAMENTS: The deltoid, anterior talofibular and spring ligaments are intact.ARTICULAR SURFACES AND BONE: There is abnormal cortical thickening of the proximal 2nd metatarsal with the suggestion of increased bone marrow signal intensity. There is increased edema throughout the imaged 3rd metatarsal diaphysis. No obvious fracture lines are seen. There is a mild amount of edema along the posterior aspect of the talus, improved from prior.Incidental note is made of an os trigonum, a normal variant, with mildly increased bone marrow signal abnormality. No surrounding fluid is present.ADDITIONAL
1. Probable stress reaction of the 2nd and 3rd metatarsals.2. Mild edema-type signal abnormality within the posterior aspect of the talus and os trigonum. These findings are improved from prior and this may represent a degree of posterior impingement syndrome.