Intraosseous Meningioma with a Dural Defect —Case Report—

Kudo, Hiroshi; Maeda, Sakan; Takamoto, Takeshi; Tamaki, Norihiko

doi:10.2176/nmc.38.229

Cited by 15 publications

(18 citation statements)

References 13 publications

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“…Secondary type is due to the extension of an intracranial meningioma into the calvarium [2]. However, the underlying dura may be affected by primary or secondary IMs [3].…”

Section: Discussionmentioning

confidence: 99%

Osteolytic and Osteoblastic Lesion of the Skull in a Patient with Known Cancer History: A Typical Location of Meningioma

Salgado¹,

Ledezma²,

Menendez³

et al. 2016

SOJN

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“…Secondary type is due to the extension of an intracranial meningioma into the calvarium [2]. However, the underlying dura may be affected by primary or secondary IMs [3].…”

Section: Discussionmentioning

confidence: 99%

Osteolytic and Osteoblastic Lesion of the Skull in a Patient with Known Cancer History: A Typical Location of Meningioma

Salgado¹,

Ledezma²,

Menendez³

et al. 2016

SOJN

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“…The continuity of the dura mater was in all probability slightly damaged by the tumour, which could be noticed, considering the partial adherence to the arachnoidea and the fact that 2-3 mm elements of the tumour were revealed under the dura mater disseminated on the surface of the arachnoidea virtually above the whole area of the performed craniectomy. In their study related to the meningothelial variant of intraosseous meningioma Kudo et al [16] noticed the damaged continuity of the dura mater, which they documented in a histopathological test, as well as fine elements of the tumour tissue on the arachnoidea surface.…”

Section: Discussionmentioning

confidence: 99%

Microcystic Variant of an Intraosseous Meningioma in the Frontal Area: A Case Report

Bujok

Bienioszek²

2014

Case Reports in Neurological Medicine

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Meningiomas located inside the bone of the calvaria belong to the group of rare types of tumours. The microcystic variant is the least common in this area. Due to their similarity to other tumours in this area, the imaging test of those tumours may constitute the source of an improper preoperative diagnosis. According to the records of the Department of Neurosurgery in Bielsko-Biała, 133 patients diagnosed with an intracranial meningioma confirmed by a histopathological test were operated in the last 10 years (2004–2014). In the histopathological test, three patients were diagnosed with the microcystic variant, which constitutes 2.25% of the cases. Only one variant of microcystic meningioma was located inside the bone, which constitutes 0.75% of all the meningiomas operated.

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“…[16,17,19,20,22] Magnetic resonance imaging (MRI) shows similar pattern for both osteolytic and osteoblastic subtypes of intraosseous meningiomas and intradural meningioma lesions. MRI allows better definition of the extent of extracranial tumors.…”

Section: Diagnosismentioning

confidence: 99%

Giant intraosseous meningioma mimicking fibrous dysplasia

Huscher¹,

Öhlschlegel²,

Fournier

2016

CRCP

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We illustrate a case of a giant primary intraosseous meningiomas (PIMs) with optic nerve compression treated by partial resection. A 48-year-old female presented with visual disturbances exophthalmus, diplopia and eye pain due to optic nerve compression. The patient had a past history of fibrous dysplasia treated surgically with partial resection by ENT in 2010. Histology confirmed the diagnosis. Two years later she presented with further decrease in visual acuity and diffuse hyperostosis. In this context she underwent a neurosurgical procedure consisting in craniotomy and further partial resection of the lesion including optic canal decompression. The second pathological examination demonstrated an extensive meningioma (WHO grade I) of the skull base.We recommend that in cases of diffuse hyperostosis the differential diagnosis include diffuse intraosseous meningioma. If complete surgical resection is not achievable, a biopsy to confirm the diagnosis is recommended. Treatment options include complete or partial resection followed by adjuvant radiotherapy.Key Words: Skull base, Meningioma, Hyperostosis, Fibrous dysplasia CASE REPORTA 48-year-old woman presented with a 3-year history of progressive right sided visual disturbance, exophthalmus, diplopia and eye pain. The patient underwent a cranial CT scan which showed a diffuse bilateral frontal and skull base hyperostosis, especially evident on the right side, and extending bilaterally from the sphenoid bones, down to the clinoid processes, orbits, temporal bones and the right frontal bone as seen in Figure 1. The right optic nerve was displaced with narrowing of the optic canal. These findings were consistent with fibrous dysplasia. Diffuse hyperostosis could also be consistent with an osteosarcoma, although this was less likely. The mass effect of the tumor involving both orbits caused compression of the eye muscles with subsequent exophthalmos, also more evident on the right side. The general practitioner referred the patient to an ophthalmologist who diagnosed exophthalmos with compressive optic nerve atrophy, decreased vision and secondary glaucoma. The ophthalmologist then referred the patient to an ENT doctor.The patient underwent surgical decompression of the right orbit via a transethmoidal, transsphenoidal and transpalpebral approach. During the operation, visualization of the orbital content was inadequate and bleeding from the bone prevented completion of the planned operation. The ENT suggested a second operation via a right subfrontal craniotomy to further decompress the orbit and the optic nerve. The first histopathological analysis seemed to confirm the suspicion of fibrous dysplasia and the patient was discharged. Ophthalmological and radiological follow-up was conducted via CT and MRI.

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Intraosseous Meningioma with a Dural Defect —Case Report—

Cited by 15 publications

References 13 publications

Osteolytic and Osteoblastic Lesion of the Skull in a Patient with Known Cancer History: A Typical Location of Meningioma

Osteolytic and Osteoblastic Lesion of the Skull in a Patient with Known Cancer History: A Typical Location of Meningioma

Microcystic Variant of an Intraosseous Meningioma in the Frontal Area: A Case Report

Giant intraosseous meningioma mimicking fibrous dysplasia

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