Primary intramedullary melanocytoma presenting with lower limbs,defecation,and erectile dysfunction:A case report and review of the literature

Zhi-Qiang Liu; Chao Liu; Jia-Xin Fu; Yan-Qing He; Ying Wang; Tian-Xiang Huang

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Primary intramedullary melanocytoma presenting with lower limbs,defecation,and erectile dysfunction:A case report and review of the literature

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BACKGROUND Primary intramedullary melanocytoma is an exceedingly rare type of primary melanocytic tumor in the central nervous system.Unfortunately,primary intramedullary melanocytoma lacks specificity in clinical symptoms and imaging features and there is currently no standard strategy for diagnosis or treatment.CASE SUMMARY A 52-year-old male patient suffered from weakness and numbness involving the bilateral lower limbs for 18 mo,and defecation and erectile dysfunction for 6 mo.Furthermore,these symptoms started to worsen for the last 3 mo.Preoperative magnetic resonance imaging(MRI)revealed an intramedullary tumor located at the T9-T10 level.In subsequently surgery,the maximal safe resection extent approached to 98%.The lesion was confirmed to be melanocytoma by pathological examination.In addition,the possibility of original melanocytoma outside the spinal cord was excluded after the examination of the whole body.Therefore,a diagnosis of primary intramedullary melanocytoma was established.The patient refused to accept radiotherapy or Gamma Knife,but MRI examination on July 28,2020 showed no sign of development.In addition,on April 10,2021,the recent review showed that the disorder of defecation and lower limbs improved further but erectile dysfunction benefited a little from the surgery.CONCLUSION After diagnosing intramedullary melanocytoma by postoperative pathology,the inspection of the whole body contributed to excluding the possibility of metastasis from other regions and further suggested a diagnosis of primary intramedullary melanocytoma.Complete resection,adjuvant radiation,and regular review are critical.In addition,maximal safe resection also benefits prognosis while the tumor is difficult to be resected totally.

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《世界临床病例杂志》 |2021年第28期|P.8616-8626|共11页
作者
Zhi-Qiang Liu; Chao Liu; Jia-Xin Fu; Yan-Qing He; Ying Wang; Tian-Xiang Huang;
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Department of Neuroscience Erasmus Medical Center Erasmus University Rotterdam Rotterdam 3015 AA Netherlands;

Department of Oncology Xiangya Hospital of Central South University Changsha 410008 Hunan Province China;

Grade of 2015 in Oral Medicine Medical College of Jinzhou Medical University Jinzhou 121001 Liaoning Province China;

Department of Neurosurgery Xiangya Hospital of Central South University Changsha 410008 Hunan Province China;

Department of Neurosurgery Xiangya Hospital of Central South University Changsha 410008 Hunan Province China;

Department of Neurosurgery Xiangya Hospital of Central South University Changsha 410008 Hunan Province China;

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原文格式 PDF
正文语种 chi
中图分类肿瘤学;
关键词
Primary intramedullary melanocytoma; Diagnosis; Treatment; Prognosis; Case report;

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Primary intramedullary melanocytoma presenting with lower limbs,defecation,and erectile dysfunction:A case report and review of the literature

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