41-year-old female with question of posterior myelitis on radiograph There is a collection measuring 2.5 x 1.9 x 4.6 cm (TR x CC x AP) (series 801, image 36 and series 601, image 15) abutting the plantar surface of the second metatarsal with destruction of the cortex and distal second metatarsal. The collection has a T1 hyperintense rim with predominantly T2 hyperintensity centrally. The lesion abuts the third metatarsal with destruction of the medial cortex. There is high T2 signal within the second and third metatarsals. Amputation of the second digit at the MTP joint.Significant soft tissue swelling particularly over the dorsum of the foot.Small subchondral cysts are noted in the calcaneus. Cysts and T2 hyperintensity and T1 hypointensity in the navicular. Moderate degenerative changes involving the tarsometatarsal joints.
1.Mixed intensity collection with partial lysis of the second and third metatarsals and surrounding inflammation/edema compatible of an abscess with small component of hemorrhage.2.Status post amputation of the second digit at the MTP joint.