World neurosurgery · 2020
Intramedullary Spinal Cord Metastasis from Primary Lung Neuroendocrine Carcinoma: A Case Report and Operative Video.
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Ginalis Elizabeth E, Jumah Fareed, Raju Bharath, Xiong Zhenggang, Nanda Anil
Аннотация
BACKGROUND: Intramedullary spinal cord metastasis (ISCM) account for a minority of all spinal cord tumors. Rarely, symptoms from ISCM may be the initial presentation of an unknown primary carcinoma. Intramedullary metastasis from a second malignancy or from an unknown neuroendocrine malignancy is extremely rare and has never been reported in the literature. Because of the rarity of these tumors and the low volume of cases, well-defined treatment guidelines do not exist for the management of ISCM. Here we present a rare and one of the first reports of an intramedullary metastatic neuroendocrine tumor.
CASE DESCRIPTION: A 66-year-old woman with a history of breast cancer presented with worsening bilateral lower extremity numbness for 2 months. Imaging revealed an intramedullary spinal cord tumor at the T4 level. The patient underwent microsurgical resection of the intramedullary spinal cord tumor. At operation, the tumor had an exophytic component. Subtotal resection was achieved. Pathology revealed a neuroendocrine metastasis, likely pulmonary in origin. She achieved partial resolution of neurologic symptoms at follow-up.
CONCLUSIONS: Neuroendocrine ISCM are rare and lack well-defined treatment guidelines. Care should be individualized in these cases. Whenever feasible, surgical resection should be considered. Despite multidisciplinary care, the prognosis is dismal with limited life expectancy. Larger, multiinstitutional, or national database studies are needed that compare treatment modalities in the management of ISCM to identify the therapy with the best outcomes.
CASE DESCRIPTION: A 66-year-old woman with a history of breast cancer presented with worsening bilateral lower extremity numbness for 2 months. Imaging revealed an intramedullary spinal cord tumor at the T4 level. The patient underwent microsurgical resection of the intramedullary spinal cord tumor. At operation, the tumor had an exophytic component. Subtotal resection was achieved. Pathology revealed a neuroendocrine metastasis, likely pulmonary in origin. She achieved partial resolution of neurologic symptoms at follow-up.
CONCLUSIONS: Neuroendocrine ISCM are rare and lack well-defined treatment guidelines. Care should be individualized in these cases. Whenever feasible, surgical resection should be considered. Despite multidisciplinary care, the prognosis is dismal with limited life expectancy. Larger, multiinstitutional, or national database studies are needed that compare treatment modalities in the management of ISCM to identify the therapy with the best outcomes.