Intracranial Cysts: An Imagery Diagnostic Challenge
Figure 6
Cisterna ambiens arachnoidian cyst. (a) Round-ovalar, homogeneous, well-demarcated, hyperintense lesion with signal similar with CSF revealed by T2-weighted MRI image. (b) Round-ovalar, well-demarcated, hypointense cystic lesion with signal similar to CSF revealed by FLAIR MRI sequence. (c) Round-ovalar, homogeneous, well-demarcated, hypointense lesion with signal similar to CSF revealed by T1-weighted MRI image. Department of Neurology, Colentina Clinical Hospital brain imaging archive.
