PMC10232173_01
MRI of the left wrist showing IGC (from (a) to (b)) in the scaphoid, lunate (a), and triquetrum (b).
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fig1
A 6 mm x 7 mm x 5 mm multi-septate intra-medullary lesion was found in the distal two-thirds of the scaphoid bone, and a similar smaller lesion was noted in the proximal and medial aspect of the triquetrum; both of which were surrounded by a regular sclerotic rim without adjacent bone marrow edema or erosion of the cortex (Figure 1).
IGC (red arrow) of the lunate bone with the carpal tunnel contents retracted using a Penrose.
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fig2
Using a Penrose (Figure 2), retraction of the carpal tunnel contents medially and laterally to expose triquetrum, scaphoid, and lunate bones, respectively.