结论：颅内原发恶性淋巴瘤的MR信号强度及增强方式对诊断和鉴别诊断具有重要价值。
Conclusion: the signal intensity and enhancing pattern of primary intracranial malignant lymphoma on MR images are of great value in the diagnosis and differential diagnosis.
目的：分析颅内原发恶性淋巴瘤的MRI影像学特征。
Purpose: To analyze MRI features of primary intracranial malignant lymphoma.
目的报告30例原发颅内生殖细胞瘤治疗的远期疗效和探讨其治疗方法。
Objective To report long term results of 30 patients with primary intracranial germinoma and evaluate the treatment policy.
目的探讨少见的颅内原发恶性淋巴瘤的临床规律与影像特征。
Objective To study the clinical law and imaging characteristics of intracranial primary malignant lymphoma.
目的分析颅内原发淋巴瘤的MRI表现，提高诊断及鉴别诊断的能力。
Objective To analyze MRI findings of primary intracranial lymphoma (PICL) for better diagnosis and differentiation.
此外，原发瘤可以扩展到鼻腔(5例)，副鼻窦和颅底(5例)。
Besides, the primary tumor might extend to the nasal fossa (5 cases), paranasal sinuses and the base of the skull (5 cases).
三维适形放疗在治疗脑转移的同时，颅外转移灶及原发灶的治疗也非常重要。
At the mean time when we use the three dimension conformal radiotherapy to treat brain metastasis, it is also important to treat extracranial metastasis and primary tumor.
方法对12例经手术病理证实的颅内原发恶性淋巴瘤的CT及MR表现进行回顾分析。
Methods CT and MR findings in 12 patients proved by operation and pathology were retrospectively analyzed.
其中26例颅内转移症状先于肺部原发症状，称之为脑先行型。
In 26 of 45 case, the symptoms resulted from intracerebral lesion appeared earlier than those of lung.
其中26例颅内转移症状先于肺部原发症状，称之为脑先行型。
In 26 of 45 case, the symptoms resulted from intracerebral lesion appeared earlier than those of lung.
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