Fig. 15

Histopathologically proven rheumatoid nodule in a patient with known rheumatoid arthritis. a Coronal SE T1-WI. Hypointense subcutaneous nodule at the palmar aspect of the distal phalanx of the right digit 3 (arrowheads). b Sagittal FS TSE T2-WI. High signal intensity of the lesion (black arrows). There is moderate pressure erosion of the palmar aspect of the distal phalanx. c Sagittal FS SE T1-WI after intravenous injection of gadolinium contrast medium. There is peripheral enhancement of the lesion (black arrowheads). Palmar localisation of a rheumatoid nodule is less frequent than localisation at the dorsal aspect of the hand