ArticleSurgical neurology international2026
Severe cord compression due to unique extradural meningeal melanocytoma of intermediate grade.
Article in Surgical neurology international, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Meningeal melanocytomas are rare primary melanocytic tumors of the leptomeninges estimated to occur in 1 out of 10 million patients. They typically arise intracranially or within the intradural extramedullary spinal canal, while extradural presentations are uncommon. Here, we present a 36-year-old male whose intermediate-grade lesion (i.e., containing features of both benign melanocytoma and malignant melanoma) caused extradural C6-T2 cord compression relieved with laminectomy/fusion. Case Description: A 36-year-old male presented with progressive right-hand paresthesias, weakness, intrinsic muscle atrophy, and forearm pain consistent with cervical radiculomyelopathy. The magnetic resonance imaging revealed a large right-sided extradural mass extending from C6 to T2 with marked cord compression. He underwent a C6-T2 laminectomy with instrumented fusion; gross total resection of the pigmented mass was achieved. The histopathology confirmed an intermediate grade meningeal melanocytoma. Postoperatively, serial surveillance imaging demonstrated no recurrence, and the patient regained full right-hand strength without adjuvant therapy. Conclusion: This case highlights the successful diagnosis and surgical management (i.e., with gross total removal) of an extradural intermediate-grade meningeal melanocytoma causing cervical radiculomyelopathy.
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