Histologically benign, CSF-filled, space-occupying lesion of the central nervous system
May be intracranial (most are supratentorial), spinal, or perineuronal
Classification (1)
Primar...
Intracranial arachnoid cysts (1,5)
Hydrocep...
Repeat CTs or MRIs are recommended, no more than yearly, for patients being managed by clinical observation.
For incidentally discovered arachnoi...
G93.0 Cerebral cysts
Q04.6 Congenital cerebral cysts
33595009 arachnoid cyst (disorder)
19276002 congenital cerebral cyst (disorder)
253162003 Cerebral arachnoid cyst
253163008 spinal arac...
Most arachnoid cysts are asymptomatic and do not require treatment.
The degree of symptoms produced by an arachnoid cyst, not the cyst's location or size, is the most important factor i...
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