Chronic subdural hematoma / PGS / diagnostics
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CHSDH is bleeding that occurs without an obvious history and may be an accidental finding on imaging. However, it usually has a clinical correlate, where the dominant finding is a headache , mental alteration event, focal neurological symptoms . A similar clinical finding is found in late posttraumatic subdural hygroma , which arises after arachnoid rupture, when the expansion process consists only of cerebrospinal fluid without a significant blood admixture. Chronic subdural hematoma is not a developmental stage of acute subdural hematoma , but a different nosological unit.
