Meningioma, also known as meningeal tumor, is typically a slow-growing tumor that forms from the meninges, the membranous layers surrounding the brain and spinal cord. Symptoms depend on the location and occur as a result of the tumor pressing on nearby tissue. [Source: Wikipedia ]

OrphaNet reference
Is A
Mesenchymal tumor
May Cause
Acquired craniovertebral junction abnormality
Anterior third ventricle lesion
Button sequestrum of skull
Carotid space mass
Cerebellopontine angle lesion
Cerebrospinal fluid rhinorrhea
Decreased cerebral vascular transit time
Destructive lesion in petrous apex
Diffuse demineralization of skull
Diffuse gyriform meningeal enhancement
Diffusely dense calvarium
Diffusely dense skull base
Elongated sella turcica
Enhancing extraaxial intracranial mass
Enhancing mass in cerebellopontine angle cistern
Enhancing sellar lesion
Enhancing suprasellar lesion
Enlarged intervertebral foramen
Enlarged superior orbital fissure
Enlargement or erosion of sella turcica
Erosion of inner table of skull
Erosion of mastoid
Erosion of middle ear
Erosion of sphenoid wing
Erosion of tympanic portion of petrous bone
Extraconal orbital lesion
Extradural lesion with normal adjacent bone
Extradural spinal lesion
Facial canal lesion within temporal bone
Focally dense calvarium
Focally dense skull base
Fourth ventricular lesion
Hair-on-end skull
Homogeneously enhancing intracranial lesion
Hyperdense basilar cisterns
Hyperdense intracranial lesion
Hyperdense sellar lesion
Hyperdense suprasellar lesion
Increased intracranial vessel size
Infratentorial intracranial tumor in a child
Intracranial arteriovenous shunting
Intracranial hypervascularity
Intracranial lesion involving the orbit
Intracranial lesion with hypointense ring
Intradural extramedullary spinal lesion
Intraorbital calcification
Intraventricular lesion
Jugular foramen lesion
Large vascular grooves of skull
Localized bony defect about the optic canal
Localized bulge of the calvarium or scalp
Localized gyriform meningeal enhancement
Localized sunburst pattern in skull
Lytic vertebral lesion
Malformed orbit
Middle cranial fossa lesion
Midline supratentorial lesion
Multifocal intracranial lesions
Multiple intracranial calcification
Multiple nerve tumors
Narrowed superior orbital fissure
Nasopharyngeal extension of intracranial neoplasm
Neoplastic solitary intracranial mass
Orbital bony defect
Orbital wall sclerosis
Paranasal sinus mass
Parapharyngeal space lesion
Parasellar calcification
Parasellar lesion
Pineal region lesion
Posterior fossa lesion
Posterior fossa tumor in a child
Posterior lateral ventricle lesion
Posterior skull base lesion
Posterior third ventricle lesion
Posterior vertebral scalloping
Pterygopalatine fossa lesion
Radiolucent skull lesion
Sclerosis of the orbital roof
Sellar lesion
Skull base lesion
Small optic canal
Small orbit
Soft-tissue mass with adjacent bone erosion
Solitary intracranial calcification
Solitary osteolytic skull lesion
Solitary osteosclerotic bone lesion
Spiculated periosteal reaction
Spinal block
Supratentorial intracranial tumor in a child
T1-hypointense intracranial lesion
T1-isointense intracranial lesion
T2-hyperintense intracranial lesion
T2-hypointense intracranial lesion
T2-isointense intracranial lesion
Temporal bone neoplasm
Trigeminal nerve lesion
Ventricular wall nodule
Vertebral pedicle destruction