Aneurysmal bone cyst of the lunate: Case report and literature review.

The aneurysmal bone cyst (ABC) is a benign osteolytic bone neoplasm. Although most ABC is asymptomatic, in some cases they produce a mass effect, impinging against soft tissues or interfering with joint function. The authors present a rare case report of a lunate ABC successfully treated by curettage and bone grafting, and review the literature of this pathology.

Upside-down radial head: a rare complication after an unrecognized Jeffery Type 2 lesion.

We report a case of an unrecognized Jeffery Type 2 lesion in a child complicated by a complete reversal of the radial head during closed manipulation.