Menigioma arising from the orbit is uncommonly encountered. Ectopic(extradural) meningiomas are exceedingly rare orbital tumors that do not originate from either the optic nerve or the intracranial meninges. We present a case of probable primary ectopic(extradural) orbital meningioma that was successfully treated with a complete surgical excision.
Meninges ; Meningioma* ; Optic Nerve ; Orbit

Meningiomas are common intracranial tumors arising from the arachnoid cells of the meninges, but the neurosurgical frequency of multiple intracranial meningiomas is low ; the pathogenesis of multiple meningioma is still unknown. The authors report sixth cases of multiple intracranial meningiomas, representing 3.3% of all meningiomas surgically removed at our hospital during the past ten years. Four cases were female. In four cases the meningiomas affected one hemisphere, and 62% were located in the convexity. All tumors were removed in one stage and except in case 5, there has been no recurrence. In this report, we present precise descriptions of cases 3 and 5.
Arachnoid ; Female ; Humans ; Meninges ; Meningioma* ; Recurrence

Solitary fibrous tumor (SFT) is a benign mesenchymal neoplasm of a spindle-cell origin, and it usually involves the pleura. It's occurrence in various organs of the body has recently been described. Meningeal SFT is very rare. Radiologically, it is a strongly enhancing solid mass and is undistinguishable from fibrous meningioma and hemangiopericytoma. Yet we report here on a case of SFT with massive cystic degeneration that arose from the meninges of the left occipital region.
Hemangiopericytoma ; Meninges* ; Meningioma ; Pleura ; Solitary Fibrous Tumors*

PURPOSE: A meningoencephalocele is a congenital malformation involving herniation of the meninges and cerebral tissue through a defect in the skull. For the patient with frontoethmoidal meningoencephalocele with hypertelorism, the removal of the meningoencephalocele without correction of the combined hypertelorism is not enough for getting a good cosmetic appearance. Correction of the hypertelorism is needed for cosmetic problem. We experienced a case of simultaneous correction of frontoethmoidal meningoencephalocele with hypertelorism. METHODS: The meningoencephalocele was removed and the hypertelorism was corrected by central segment technique. The bone defects were filled with autogenous bone dusts. And the nose was reconstructed by a calvarial bone graft. RESULTS: The patient had a good cosmetic appearance without any neurological complications without serious complications. CONCLUSION: We experienced a case of simultaneous correction of frontoethmoidal meningoencephalocele with hypertelorism. And a brief review of related literatures is given.
Cosmetics ; Dust ; Humans ; Hypertelorism ; Meninges ; Nose ; Skull

The anatomy and clinical significance of the sinuvertebral nerve is a topic of considerable interest among anatomists and clinicians, particularly its role in discogenic pain. It has required decades of research to appreciate its role, but not until recently could these studies be compiled to establish a more complete description of its clinical significance. The sinuvertebral nerve is a recurrent nerve that originates from the ventral ramus, re-entering the spinal canal via the intervertebral foramina to innervate multiple meningeal and non-meningeal structures. Its complex anatomy and relationship to discogenic pain have warranted great interest among clinical anatomists owing to its sympathetic contribution to the lumbar spine. Knowledge of the nerve has been used to design a variety of diagnostic and treatment procedures for chronic discogenic pain. This paper reviews the anatomy and clinical aspects of the sinuvertebral nerve.
Anatomists ; Humans ; Meninges ; Spinal Canal ; Spine

Intrathoracic meningocele is a protrusion of the spinal meninges through an intervertebral foramen into thethoracic cavity. The majority occur in association with neurofibromatosis. The authors experienced a case ofintrathoracic meningocele in 26 years old male patient associated with neurofibromatosis, and present conventional CT and CT metrizamide myelographic findings.
Humans ; Male ; Meninges ; Meningocele ; Metrizamide ; Myelography ; Neurofibromatoses

A 27 year old man presented with complaints of headache and visual disturbance, first noted six months earlier. Simple radiographs of skull sellar widening and calcification. Brain CT revealed a 3 X3 X4 cm-sized sellar suprasellar mass with heavy calcification. T1-weighted MR images showed that the signal intensity of the mass was slightly lower than that of the gray matter, while T2-weighted images showed heterogeneous high signal intensity with central low-signal-intensity foci, suggesting calcification After contrast infusion, enhancement was irregular. Surgery revealed a 4 X5 cm sized, well-demarcated, lobulated mass adhering to the meninges. Papillary-type pituitary adenoma was histologically confirmed. We report the CT and MR findings of atypical pituitary adenoma with extensive internal calcification mimicking craniopharyngioma.
Adult ; Brain ; Craniopharyngioma* ; Headache ; Humans ; Meninges ; Pituitary Neoplasms* ; Skull

Meningioma arises from the arachnoid cap cell found in the arachnoid layer of the meninges. Most meningiomas are located in the subdural space. Meningiomas are mostly found in adulthood between 20 and 60 years of age. A case of intracranial epidural meningioma without involvement of the subdural space is reported.
Adolescent* ; Arachnoid ; Epidural Neoplasms ; Humans ; Meninges ; Meningioma* ; Subdural Space

Meningeal sarcoma is rare and its clinical course tends to be short. It is a malignant neoplasm arising from connective tissue elements present in meninges. We have experienced a case of 4 years old female patient with headache, palpable mass on left parieto-occipital area. The operation revealed entirely extradurally located, firm, vascular tumor and almost total excision was done. It was histopathologically diagnosed meningeal sarcoma but indisinguishable from malignant meningioma.
Child, Preschool ; Connective Tissue ; Female ; Headache ; Humans ; Meninges ; Meningioma ; Sarcoma*

Hemangiopericytomas, which used to be classified as the subtype of the meningiomas, like the angioblastic meningiomas or hemangiopericytic meningiomas, are rare in the central nervous system with an incidence of <1% of all central nervous system(CNS) tumors. In spite of a total surgical removal, hemangiopericytomas have a tendency of high local recurrence and distant metastasis. The authors report a case of hemaniogipericytoma recurred at the remote area from the primary site. The tumor recurred in the meninges of right temporal area after total removal of the tumor in the right parasaggital region including the falx.
Central Nervous System ; Hemangiopericytoma* ; Incidence ; Meninges ; Meningioma ; Neoplasm Metastasis ; Recurrence