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向中枢神经系(简称CNS)转移是系统性恶性病变最可畏的合并症。尽管予后严峻,但早期诊断及治疗可缓解症状,改善存活率。颅脑的非淋巴增殖性转移的发生率按各种资料(流行病学、临床、尸检)不同而异。在发现原发瘤时即可确认颅内转移者占80—85%,在发现原发瘤前可确认者占5—10%,在确诊原发瘤以后确认者7—14%。后组病例中在发现系统性恶性瘤与确认转移瘤之间的间隔可能特别长,特别是肾细胞癌
Metastases to the central nervous system (CNS) are the most formidable comorbidity of systemic malignancies. Despite the severe posterior, early diagnosis and treatment can relieve symptoms and improve survival. The incidence of cranial non-lymphoproliferative metastasis varies according to various sources (epidemiological, clinical, and autopsy). Found in the primary tumor that can confirm intracranial metastasis accounted for 80-85%, found in the primary tumor can confirm who accounted for 5-10% confirmed 7-14% confirmed after the primary tumor. In the latter group, the interval between finding a systemic malignancy and confirming metastases may be particularly long, especially in renal cell carcinoma