Osteochondromas are bone exostoses, with the vast majority extending from the metaphyseal region of long bones and are capped by cartilage. A review of the current literature reveals spontaneous regression of osteochondromas is a rarely documented event, with all but two of these recorded events resolving before skeletal maturity and within 6 years of identification. We present a case of trauma-induced resolution of a solitary osteochondroma after less than 3 months in a 15-month-old male, with a review of current literature.

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Mitral valve leaflet aneurysm (MVLA) is a rarely encountered pathology with the risk of developing serious complications. We present its imaging appearances in two cases: an 89-yearold female with an incidental finding of both mitral valve leaflet and membranous septal aneurysms during workup for transcatheter aortic valve implantation, and a 48-year-old woman with MVLA secondary to infective endocarditis. As imaging techniques other than echocardiography are being more frequently utilized in the diagnosis of cardiac pathology, this entity may be encountered more often with different modalities. Early diagnosis and intervention are critical to treat this rare and potentially fatal pathology.