Thigh leiomyosarcoma-derived brain metastasis with intracerebral hematoma: A case report and literature review
Surgical Neurology International(2023)
摘要
Background: Brain metastases with hematoma are clinically important as they indicate the potential for rapid neurological deterioration. Non-uterine leiomyosarcoma-derived brain metastases are particularly rare, and their clinical features, including the bleeding rate, are unclear. Herein, we present a rare case of thigh leiomyosarcoma-derived brain metastasis with intratumoral hematoma and review previous case reports. Case Description: A 68-year-old man with a right thigh leiomyosarcoma presented with multiple brain metastases. The patient received stereotactic radiotherapy; however, he reported sudden right-sided hemiparesis. We found a right frontal irradiated lesion with intratumoral hemorrhage and performed gross total tumor resection. Histopathological examination showed highly atypical cells with prominent necrosis and hemorrhage. Abnormal thin-walled vessels were prominent within the brain tumor, and vascular endothelial growth factor was diffusely expressed immunohistopathologically. To date, 11 cases of brain metastasis from non-uterine leiomyosarcoma, including the present case, have been reported. Of note, six patients had hemorrhage. Three out of six patients presented with hemorrhage before therapeutic intervention, three cases were from residual sites after surgery or radiation. Conclusion: More than half the patients with non-uterine leiomyosarcoma-derived brain metastases presented with intracerebral hemorrhage. Furthermore, these patients are at risk of developing rapid neurological deterioration due to intracerebral hemorrhage.
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关键词
intracerebral hematoma,brain metastasis,leiomyosarcoma-derived
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