Perimesencephalic cistern
The “perimesencephalic cistern” refers to a specific anatomical space or compartment surrounding the midbrain (mesencephalon) in the brain. This cistern is part of the subarachnoid space.
In the context of medical imaging or descriptions of brain pathology, the perimesencephalic cistern may be mentioned to indicate the location of certain findings or abnormalities, such as bleeding or hemorrhage. Understanding the specific cisterns and their locations is important in diagnosing and describing various
Hypointense lesion (arrow) in superior cerebellar peduncle on left side near left perimesencephalic cistern.