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Cervical spinal meningioma mimicking intramedullary spinal tumor
Senem Senturk1, Aslan Guzel, Ebru Guzel
1Department of Radiology, Dicle University School of Medicine, Diyarbakir, Istanbul, Turkey. ssenturk@dicle.edu.tr
Study Design:
Case report.
Objective:
To report a very unusual spinal meningioma, mimicking an intramedullary spinal tumor.
Summary Of Background Data:
Spinal meningiomas, usually associated with signs and symptoms of cord or nerve root compression, are generally encountered in women aged over 40. Radiologic diagnosis is often established by their intradural extramedullary location on magnetic resonance images.
Methods:
A 60-year-old woman had a 6-month history of progressive weakness in her upper extremities, difficulty in walking, and cervical pain radiating through both arms. Neurologic examination revealed motor strength deficiency in all her extremities, with extensor reflexes, clonus, and bilateral hyper-reflexiveness. A sensory deficit was present all over her body. Magnetic resonance images revealed that the spinal cord appeared expanded with an ill-defined, homogeneously contrast-enhanced, lobulated, eccentric mass at the C1-C3 level. The patient was operated with a preliminary diagnosis of an intramedullary tumor.
Results:
At surgery, the mass was found to be extramedullary, and gross total resection was performed. Histopathological examination revealed a meningioma characterized by the presence of fibrous and meningothelial components. The patient was able to ambulate with a cane, and extremity strength and sensation improved 2 months after surgery.
Conclusion:
Spinal meningiomas can mimic intramedullary tumors, and should be considered in differential diagnosis of intradural tumors with atypical appearance.
