PMC3082691_01
Coronal T1-weighted volumetric fast spin-echo image of the wrist (a) shows a tubular depression within the lunate (long arrow). Based on coronal, fat-saturated pre- (b) and post- (c) contrast images, a tortuous vessel could be traced (short and stippled arrows), entering the lunate via this tubular depression, suggesting a normal vascular channel rather than an erosion
247_2011_2054_Fig2_HTML.jpg
PMC3082691_01_247_2011_2054_Fig2_HTML.jpg
Fig2
One major problem in assessing bone erosions and bone marrow change on MRI in particular is the lack of normal references (Fig. 2).