Newman G E, Warner M A, Heaston D K
J Comput Assist Tomogr. 1983 Feb;7(1):166-8. doi: 10.1097/00004728-198302000-00037.
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.
一名偶然发现的石胎（lithokelyphos），表现为一名宫颈癌女性患者未被诊断出的腹部肿块。石胎形成是腹腔妊娠的罕见结果。本文回顾了石胎的类型、形成方法及其临床特征。此外，还介绍了石胎的计算机断层扫描特征。
