Left sided hip pain and reduced range of motion

History: A 49-year-old lady with a history of chronic left hip pain following a fall twenty months earlier Figs. 1, 2 and 3.

Fig. 1
figure 1

a Coronal STIR and b axial PDW FSE MR images

Fig. 2
figure 2

a Axial and b sagittal MPR CT images

Fig. 3
figure 3

a Microphotograph (H&E, 10x magnification). b Polarised light image