Aneurysmal Bone Cyst of a Metatarsal

A recent experience with a proved aneurysmal bone cyst in a metatarsal bone seemed worthy of report since the lesion is so rare in the hands and feet, and, as Thompson had noted, its roentgenographic appearance in these areas is not as distinct as in other areas. A serial roentgenographic record of this lesion in its rapid development from an early phase, which is quite characteristic of a giant-cell tumor, has delineated the development of the entity through phases previously considered in its pathogenesis, and about which there has previously been cousfusion.