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Pineal cyst management: A single-institution experience spanning two decades.

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Pineal cysts (PCs) are often stable, but surgery can relieve headaches in symptomatic patients. However, surgery carries risks of neuro-ophthalmological complications, and PC growth factors remain unclear.

Keywords:
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Area of Science:

  • Neurology
  • Neurosurgery
  • Radiology

Background:

  • Pineal cysts (PCs) are common benign intracranial lesions.
  • Management consensus is lacking, particularly for symptomatic nonhydrocephalic cysts.

Purpose of the Study:

  • To analyze clinical outcomes for patients with pineal cysts, comparing surgical and conservative management.
  • To evaluate the natural course and predictors of growth for pineal cysts.

Main Methods:

  • Retrospective analysis of 142 patients with pineal cysts (103 surgical, 39 conservative).
  • Data included clinical presentation, imaging, ophthalmological status, and outcomes.

Main Results:

  • Headache resolved or improved in 91% of surgically treated patients.
  • Postoperative complications included neuro-ophthalmological disorders (23%), often resolving long-term.
  • Pineal cyst size remained stable in 87% of conservatively managed patients; age/gender did not predict growth.

Conclusions:

  • Most newly diagnosed pineal cysts are stable.
  • Surgery offers significant headache relief for nonhydrocephalic PCs but poses risks of neuro-ophthalmological issues.
  • The natural history and growth factors of pineal cysts require further investigation.