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Active surveillance
Source: Central Nervous System Tumors Treatment (PDQ®)–Health Professional Version, National Cancer Institute.
Source updated: March 28, 2025 · Captured 2026-09-09.
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Context: Treatment Option Overview for Primary CNS Tumors / Primary CNS Tumors
Active surveillance is appropriate in some circumstances. With the increasing use of sensitive neuroimaging tools, detection of asymptomatic low-grade meningiomas has increased; most appear to show minimal growth and can often be safely observed, with therapy deferred until the detection of tumor growth or the development of symptoms.[30,31]
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