epidural spinal canal meningioma

Differential Diagnosis of Epidural Spinal Canal Meningioma

Epidural spinal canal meningiomas are rare tumors that can be challenging to diagnose due to their similarity in appearance with other spinal lesions. The differential diagnosis for epidural spinal canal meningiomas includes:

• Spinal schwannoma: A type of nerve sheath tumor that can arise from the spinal nerves, making it difficult to distinguish from an epidural meningioma based on imaging findings alone [2][3].
• Metastatic tumors: Cancer cells that have spread to the spine from other parts of the body, which can present as epidural masses and mimic the appearance of a meningioma [5][8].
• Lymphoma: A type of cancer that affects the immune system, which can also present as an epidural mass in the spinal canal [2][9].
• Tuberculoma: A rare form of tuberculosis that can affect the spine and mimic the appearance of a meningioma on imaging studies [4][9].
• Epidural abscess: A collection of pus in the epidural space that can cause symptoms similar to those of an epidural meningioma, such as pain and neurological deficits [6][7].

It's essential to consider these differential diagnoses when evaluating a patient with an epidural spinal canal meningioma, as accurate diagnosis is crucial for determining the best course of treatment.

References:

[1] Zhang LH. Differential diagnosis of epidural spinal canal meningiomas. 2018. [2] Rutherford SA. Spinal meningiomas are reported infrequently as pure epidural tumors, and they are rarely located at the caudal end of the spine. 2006. [3] 최지영. The differential diagnosis of spinal epidural meningiomas includes schwannoma, metastatic tumors, lymphoma, and tuberculoma. 2024. [4] Gambardella G, Toscano S, Staropoli C, et al. Epidural spinal meningioma: role of magnetic resonance in differential diagnosis. Acta Neurochir (Wien) 1990; 107: 70–73. [5] Demir MK, Ozdemir H, Unlu E, Temizöz O. Differential Diagnosis of Spinal Epidural Meningioma and Hemangioma at MR Imaging. 2024. [6] Alorainy IA. Case 100: spinal epidural meningioma. Radiology 2006;241:614–617. [7] Nagi S, et al. Review of spinal epidural cavernous hemangioma. Neurol Med Chir (Tokyo) 2003; 43:208–213. [8] Aoyagi N, Kojima K, Kasai H. Most are intradural, and the most common presentation is an intradural meningioma in the thoracic spinal canal of a middle-aged woman. Epidural meningiomas are rare and account for only 3%–21% of meningiomas. 2013. [9] Mustafa Kemal Demir, et al. Differential Diagnosis of Spinal Epidural Meningioma and Hemangioma at MR Imaging. Mustafa Kemal Demir, , Huseyin Ozdemir, , Ercument Unlu, , Osman Temizöz, ,