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Arachnoid Cysts

Intracranial or spinal cavities containing a cerebrospinal-like fluid, the wall of which is composed of arachnoidal cells. They are most often developmental or related to trauma. Intracranial arachnoid cysts usually occur adjacent to arachnoidal cistern and may present with HYDROCEPHALUS; HEADACHE; SEIZURES; and focal neurologic signs. (From Joynt, Clinical Neurology, 1994, Ch44, pp105-115)

Year introduced: 1991

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Tree Number(s): C04.182.044, C04.588.614.250.387.100, C10.500.142.100, C10.551.240.375.100, C16.131.666.142.100

MeSH Unique ID: D016080

Entry Terms:

  • Cyst, Arachnoid
  • Cysts, Arachnoid
  • Leptomeningeal Cysts
  • Cyst, Leptomeningeal
  • Cysts, Leptomeningeal
  • Leptomeningeal Cyst
  • Arachnoid Diverticula
  • Arachnoid Diverticulas
  • Diverticula, Arachnoid
  • Diverticulas, Arachnoid
  • Intracranial Arachnoid Cysts
  • Arachnoid Cyst, Intracranial
  • Cyst, Intracranial Arachnoid
  • Cysts, Intracranial Arachnoid
  • Intracranial Arachnoid Cyst
  • Arachnoid Cysts, Intracranial

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