Tài liệu Báo cáo y học: "Mirror-Image Arachnoid Cysts in a Pair of Monozygotic Twins: A Case Report and Revie

A mirror image is the same features, normal or anomalous, in reverse sides in monozygotic twins (MZ). Mirror-imaging of twins has been reported to present mirror asymmetries in various structures such as handedness, hair whorl direction, dentition, uni-lateral eye and ear defects, and even tumor locations and bone cysts1,2,3,4,5,6,7. However, only small case series on mirror images involving the brain have been reported8,9,10. To our knowledge, only one case of mirror-imaging of arachnoid cysts (AC) has been re-ported11, which is different from our case in some respects. We report a case of a pair of MZ with mirror-imaging of AC in the temporal fossas and discuss the possible clinical implications.