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KMID : 1099620110080020121
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Korean Journal of Spine
2011 Volume.8 No. 2 p.121 ~ p.124
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Primary Meningeal Melanocytoma in the Thoracic Spine
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:Seo Ju-Sung
:Ahn Sang-Soak/:Choi Jae-Hyung/:Choi Hyu-Jin
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Abstract
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Meningeal melanocytoma is a rare benign melanotic tumor arising from melanocytic cells in the leptomeninges. Preoperative differential diagnosis of meningeal melanocytoma from other melanotic tumors is difficult based on magnetic resonance imaging (MRI). Definitive diagnosis of meningeal melanocytoma from other melanotic tumors is done on the basis of histopathological and immunohistochemical analyses. The prognosis of this tumor is not always favorable with occasional local recurrence, especially in cases of subtotal gross resection. The authors report on a case of a 58-year-old man who presented with a melanocytoma located at the T7-8 level. The patient underwent on a total surgical excision for successful control of the tumor. During a follow-up period of 2 years, the patient presented no signs of recurrence. We emphasize the importance of discrimination of meningeal melanocytoma from other melanotic tumors to facilitate appropriate treatment. Complete resection is the treatment of choice for spinal melanocytoma. Radiation therapy should be reserved for those cases in which complete resection is not possible or in which there is recurrence.
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KEYWORD
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Meningeal melanocytoma, Leptomeninges
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