Epidural Meningioma Research Articles

Sacral extradural spinal meningioma with recurrence; a case report

Extradural spinal meningiomas are very uncommon, and just a scattering of clinical reports on this condition have been published. Despite being benign, epidural meningiomas exhibit a higher recurrence rate compared to typical meningiomas. In this case report, we described a case of sacral extradural spinal meningioma with several episodes of recurrence and discussed the clinical characteristics, radiological features, and management, along with follow-up details. A 19-year-old woman with back discomfort and lower extremity numbness. Magnetic resonance imaging (MRI) revealed a tumor on the left posterolateral S1–S2 spinal cord. L5–S3 hemilaminectomy and foraminotomy were performed. After three years, the patient had bilateral L4–S1 laminectomy and radiotherapy for tumor recurrence. Two years later, the patient presented with pain and paresthesia in the lower limbs and was diagnosed with a tumor recurrence once more. Due to sacral area adhesion from earlier surgeries and radiation, the patient received CyberKnife radiation instead of tumor resection. No complaints or signs of recurrence were detected during follow-up examinations. Extradural spinal meningiomas are uncommon and can occasionally be misidentified as malignant metastatic tumors both before and during surgery. This misclassification could potentially lead to alterations in the recommended surgical approach. Although epidural spinal meningiomas are often benign, their long-term prognosis is uncertain, and the recurrence rate is higher than ordinary meningiomas. Hence, lengthy monitoring is necessary to identify any recurrence risk (like our case).

3-Tesla magnetic resonance imaging evaluation of intraspinal extramedullary nonosseous neoplastic lesions with their postsurgical and histopathological correlation

Aims: This study aimed to evaluate the diagnostic ability of 3-Tesla magnetic resonance imaging (MRI) in detection and characterization of intraspinal extramedullary nonosseous neoplastic lesions and their histopathological correlation. Settings and Design: It was a prospective study involving fifty patients who presented with low backache and lower limb weakness with MRI findings suggestive of a neoplastic extramedullary intraspinal lesion. Patients and Methods: A 3-Tesla 16-channel MRI scanner was used for imaging. Multiplanar imaging was done using T1, T2, short-tau inversion recovery sequences and T1 fat-saturated sequences. All patients then underwent postgadolinium MRI. The findings of MRI were then reviewed. An analysis of correlation between MRI findings and surgical and histopathological findings was done. Results: Out of the fifty patients evaluated, intradural lesions were noted in forty patients and extradural lesions in ten patients. Schwannoma was the most common tumor, followed by meningioma in the intradural category. Two rare cases of intradural lipoma and malignant peripheral nerve sheath tumors were also detected. In extradural category, metastasis was the most common lesion along with two rare lesions of epidural meningioma and leukemia-associated granulocytic sarcoma. Conclusions: MRI is an indispensable tool in the evaluation of spinal neoplasms. Its multiplanar capability, high-quality soft-tissue resolution, and depiction of various anatomic landmarks help the neurosurgeon to make a road map for the surgery. In most of the cases, MRI can give information regarding the histopathology of the lesion. However, in some cases, differential diagnosis needs to be included, especially in cases of extradural meningiomas and malignant peripheral nerve sheath tumors, because of their rare incidence.

Imaging Appearances and Pathologic Characteristics of Spinal Epidural Meningioma.

Spinal epidural meningioma is an uncommon tumor. This study aimed to analyze the imaging and pathologic characteristics of this rare tumor. Fourteen confirmed cases of epidural meningioma were retrospectively reviewed, and imaging characteristics and pathologic findings were analyzed to identify the typical features. The mean age of the patients (4 men, 10 women) was 44.9 years. Twelve tumors were in the cervical spinal canal, and 2, in the thoracic spinal canal. There were 9 en plaque meningiomas, 4 dumbbell-shaped meningiomas, and 1 fusiform/ovoid meningioma. The epidural meningiomas extended over 2-5 spinal segments (mean, 3.2 spinal segments). A soft epidural mass was seen in 12/14 (86%) patients. Dural calcification was seen in 8/14 (57%) tumors. Tumor caused intervertebral foramen enlargement in 10/14 (71%) patients and adhered to the nerve roots in 11/14 (79%) patients. Intradural invasion was seen in 8/14 (57%) patients. The dural tail sign was present in 13/14 (93%) tumors on contrast-enhanced T1WI. Regarding pathologic type, 10 of 14 (71%) were psammomatous, 2 of 14 (14%) were meningothelial, 1 of 14 (7%) was angiomatous, and 1 of 14 (7%) was transitional. During follow-up (mean follow-up, 73.4 months; range, 4-192 months), 7 patients had recurrence. Recurrences were between 4 and 192 months after the operation. Epidural meningioma has 3 different growth patterns. Dural thickening, calcification, invasion, and epidural mass formation are characteristic features of epidural meningioma. Regular follow-up imaging is required to detect recurrence.

Comparative analysis between hypertrophic spinal pachymeningitis and epidural meningioma

Comparative analysis between hypertrophic spinal pachymeningitis and epidural meningioma

Cervical spinal extradural meningioma: Case report

Extradural meningiomas account for approximately 7% of all spinal meningiomas and are most commonly located in the thoracic spine. Although rare, they should be included in the differential diagnosis of an extradural contrast-enhancing mass. Prognosis depends greatly on the extent of surgical resection. If considered safe, complete resection should be attempted to decrease the risk of recurrence. We report a case of spinal epidural meningioma diagnosed in an elderly woman complaining of right cervicobrachial pain of several years duration, associated with diffuse paresthesia and permanent numbness of her right index finger. The surgical removal of the tumor was incomplete because of the deep lateral extension of the lesion.

Méningiome rachidien extradural. À propos d’un cas et revue de la littérature

Objectives We report a case of purely extradural spinal meningioma and discuss the potential pitfalls in differential diagnosis. Background Spinal meningiomas account for 20–30% of all spinal neoplasms. Epidural meningiomas are infrequent intraspinal tumors that can be easily confused with malignant neoplasms or spinal schwannomas. Case A 62-year-old man with a previous history of malignant disease presented with back pain and weakness of the lower limbs. Magnetic resonance imaging revealed a well-enhanced T4 intraspinal lesion. The intraoperative histological examination showed a meningioma (confirmed by postoperative examination). Opening the dura mater confirmed the purely epidural location of the lesion. The postoperative course was uneventful with no recurrence 12 months after surgery. Conclusion Purely extradural spinal meningiomas can mimic metastatic tumors or schwannomas. Intraoperative histology is mandatory for optimal surgical decision making.

Differential Diagnosis of Spinal Epidural Meningioma and Hemangioma at MR Imaging

Differential Diagnosis of Spinal Epidural Meningioma and Hemangioma at MR Imaging

Primary calvarial ectopic meningiomas

Meningiomas should be considered as a possible diagnosis when dealing with tumors of the head and neck, even though these lesions may be located outside the cranial cavity. We report three patients who harbored primary ectopic epidural meningioma arising in the right occipital, parietal and left frontal region protruding extracranially through destructed calvarium and also developing intracranially without dural involvement. The diagnostic value of CT scan is emphasized and the relevant literature on ectopic meningioma is reviewed.

Concurrent Intradural and Extradural Meningiomas of the Cervical Spine

Abstract A case of an extradural spinal meningioma presenting with a separate intradural meningioma at the same cord level is reported. Review of the English literature on spinal epidural meningiomas reveals a high incidence of concurrent intradural tumors in patients with epidural meningiomas. This leads to the conclusion that the intradural space should be evaluated carefully when an epidural meningioma is encountered.

Concurrent intradural and extradural meningiomas of the cervical spine

A case of an extradural spinal meningioma presenting with a separate intradural meningioma at the same cord level is reported. Review of the English literature on spinal epidural meningiomas reveals a high incidence of concurrent intradural tumors in patients with epidural meningiomas. This leads to the conclusion that the intradural space should be evaluated carefully when an epidural meningioma is encountered.

Epidural spinal meningioma. Role of magnetic resonance in differential diagnosis

A rare case of an extradurally growing spinal meningioma in an elderly woman is reported. Neuro-imaging, particularly magnetic resonance (MR), allowed to recognize the lesion, which, otherwise, could raise problems of differential diagnosis with a spinal metastasis. An emergency operation, required by a sudden neurological deterioration, was decisive in recovery of neurological deficits. In a review of the literature, extradurally growing spinal meningiomas appear to occur with a higher frequency than it is thought. Therefore, they are to be suspected when dealing with extradural spinal lesions.

Spinal epidural meningioma in childhood

Spinal epidural meningioma in childhood

Spinal epidural meningioma associated with increased intracranial pressure.

SUMMARYA case of epidural meningioma associated with raised intracranial tension was reported. The patient showed remarkable recovery after the meningioma was removed surgically, and signs of raised intracranial tension disappeared within six months.

Spinal epidural meningiomas.

Two cases of a spinal epidural meningiomas, one localized in the upper thoracic and the other in the cervico-thoracic region are presented. In the second case the tumour originated from the dural sac, i.e. the inner membrane of the developmentally double-layered spinal dura mater.