Fig. 4From: Focal hand lesions: review and radiological approachFocal nodular synovitis in a 62-year-old male presenting with a painless lump over the dorsal aspect of the right middle finger for a few months. (a) T1w sequence shows a lobulated, homogeneously low-signal subcutaneous nodule over the dorsal aspect of the third metacarpophalangeal joint abutting the extensor tendon (arrow). (b) The lesion is also of low signal on T2w-FS sequences. No bony destruction is seen. (c) There is no significant contrast enhancementBack to article page