Diffuse-Type Tenosynovial Giant Cell Tumour Involving Bone Masquerading as Langerhans Cell Histiocytosis

Figure 1

(a) Plain X-ray of left foot demonstrated an expansile lytic lesion in cuboid and lateral cuneiform. (b) CT scan highlighted its well-defined margin and cortical scalloping of lateral cuneiform (arrowed). (c) MRI showed PD-intermediate signal of the lobulated lesion with distal cortical perforation and (d) hyperintense signal on T2.

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