Neglected Stress Fracture of the Second Proximal Phalanx in a Teenage Triathlete

Figure 1

(a) Weakness of the second toe to due to flexor rupture. (b) Anteroposterior weight-bearing X-rays. (c) Preoperative planning on CT scan. (d) Longitudinal plantar sonographic view (M2: head of second metatarsal bone; FP: proximal phalanx; FD: distal phalanx; blue arrow: stress avulsion fracture of the FP; red triangles: flexor rupture).

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