Diagnosis of lithokelyphos by computed tomography.

An incidental stone child, lithokelyphos, presented as an undiagnosed abdominal mass in a woman with cervical cancer. Lithopedion formation is an uncommon result of an abdominal pregnancy. The types of lithopedions as well as their method of formation and clinical features are reviewed. In addition, the computed tomographic features of lithopedions are presented.