Presentation
Pain along the plantar surface of the first metatarsophalangeal joint after foot trauma for about two months.
Patient Data
Left foot, fibular (lateral) sesamoid of the hallux has high signal intensity consisting with edema which is best seen on coronal PD fat-sat images and also lost its normal fatty bone marrow signal on T1 images. The fracture line which has a low signal is best seen on sagittal fat-sat T2 images. There is an increased amount of fluid in the first metatarsophalangeal joint.
In these two planes, fissure line of fracture is seen on fibular (lateral) sesamoid of the hallux.
Case Discussion
This part of fracture must be differentiated from bipartite sesamoid, MR imaging is a useful tool for diagnosing fracture and also additional conditions.
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