What are most frequent clinical symptoms of the sinking skin flap syndrome?
Mental status change, intense headache, focal neurological deficit or epilepsy.
What are sinking skin flap syndrome causes?
Asymmetric gradient of intracranial pressure and atmospheric pressure.
There is severe dilatation of the left and the same severity collapse of the right lateral ventricles. Midline shift is 10 mm. Left frontal bone is grafted with Methyl Methacrylate, small metal particles from the saw, used to cut the bone, cause magnetic susceptibility artifacts on both sides. Artifacts are more pronounced on the left side. There is an invagination of skin flap inside the skull, caused by the pressure difference between left, right lateral ventricles and the atmosphere.
There is an isolation of the fourth ventricle due to adhesions in both distal part of cerebral aqueduct and foramen of Magendi, so-called "isolated 4th ventricle".