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1. Headache
Initially intermittent distending pain without a fixed location. With tumor growth and rising intracranial pressure, headache becomes persistent and progressively worsens, often more pronounced in the early morning or with straining.
2. Seizures
Cortical irritation by the tumor may cause focal or generalized seizures. Tumors on the cerebral convexity are more likely to trigger seizures and are a common cause of new-onset seizures in adults.
3. Motor and sensory deficits
Compression of the motor or sensory cortex can lead to progressive contralateral weakness and clumsiness, as well as numbness or decreased sensation in corresponding regions.
4. Visual acuity and visual field impairment
Sellar, sphenoid wing, or occipital meningiomas may compress the visual pathways, causing reduced visual acuity, visual field defects, or diplopia, which patients may not readily notice.
5. Cranial nerve dysfunction
Skull base meningiomas can compress cranial nerves, leading to hearing loss, facial numbness, facial palsy, dysphagia, hoarseness, and related symptoms.
6. Cognitive and neuropsychiatric changes
Frontal, temporal, or falcine meningiomas may cause memory decline, slowed responses, personality changes, and apathy.
7. Other focal symptoms
Olfactory groove tumors may cause unilateral anosmia; parasagittal tumors may lead to bilateral lower-limb weakness; intraspinal tumors may cause back pain, limb numbness, and bowel or bladder dysfunction.
8. Symptoms related to increased intracranial pressure
Large tumors or obstruction of cerebrospinal fluid circulation may cause projectile vomiting and papilledema; severe cases may progress to somnolence and altered consciousness.
Jinshazhou Hospital of Guangzhou University of Chinese Medicine emphasizes that although most meningiomas are benign, mass effect can cause seizures and loss of neurological function. Because onset can be insidious and presentations are heterogeneous, early medical evaluation and MRI are fundamental for confirming the diagnosis, assessing timing, selecting an appropriate strategy, preserving function, and improving prognosis.
1. Headache
Initially intermittent distending pain without a fixed location. With tumor growth and rising intracranial pressure, headache becomes persistent and progressively worsens, often more pronounced in the early morning or with straining.
2. Seizures
Cortical irritation by the tumor may cause focal or generalized seizures. Tumors on the cerebral convexity are more likely to trigger seizures and are a common cause of new-onset seizures in adults.
3. Motor and sensory deficits
Compression of the motor or sensory cortex can lead to progressive contralateral weakness and clumsiness, as well as numbness or decreased sensation in corresponding regions.
4. Visual acuity and visual field impairment
Sellar, sphenoid wing, or occipital meningiomas may compress the visual pathways, causing reduced visual acuity, visual field defects, or diplopia, which patients may not readily notice.
5. Cranial nerve dysfunction
Skull base meningiomas can compress cranial nerves, leading to hearing loss, facial numbness, facial palsy, dysphagia, hoarseness, and related symptoms.
6. Cognitive and neuropsychiatric changes
Frontal, temporal, or falcine meningiomas may cause memory decline, slowed responses, personality changes, and apathy.
7. Other focal symptoms
Olfactory groove tumors may cause unilateral anosmia; parasagittal tumors may lead to bilateral lower-limb weakness; intraspinal tumors may cause back pain, limb numbness, and bowel or bladder dysfunction.
8. Symptoms related to increased intracranial pressure
Large tumors or obstruction of cerebrospinal fluid circulation may cause projectile vomiting and papilledema; severe cases may progress to somnolence and altered consciousness.
Jinshazhou Hospital of Guangzhou University of Chinese Medicine emphasizes that although most meningiomas are benign, mass effect can cause seizures and loss of neurological function. Because onset can be insidious and presentations are heterogeneous, early medical evaluation and MRI are fundamental for confirming the diagnosis, assessing timing, selecting an appropriate strategy, preserving function, and improving prognosis.