Question

40-year-old male athlete with left posterior thigh pain following running (Figs. 1, 2 and 3).

Fig. 1
figure 1

a Axial proton density (PD) images non- fat saturated and (b) fat saturated PD images through the distal third of the thigh/proximal popliteal fossa region

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Fig. 2
figure 2

a Axial PD and b PD fat saturated through the distal third of the thigh/proximal popliteal fossa region

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Fig. 3
figure 3

Sagittal proton density sequences through the popliteal fossa

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