9-year-old female. Assess for dorsal ganglion cyst involvement of the scapholunate ligament and bone quality of lunate. The dorsal aspect of the capitolunate interval demonstrates a focal well-defined lobulated area of increased signal on T2 hyperintensity with associated decreased signal on T1 imaging. Marrow signal of the capitate and lunate bones is within normal limits. No acute fracture or malalignment is identified.
Focal well defined lesion in the dorsal aspect of the capitolunate interval with increased T2 signal intensity and decreased T1 signal intensity is most likely a ganglion cyst. The capitate and lunate bones are normal.