1.中山大学附属第三医院岭南医院神经外科,广东 广州 510530
2.中山大学附属第三医院病理科,广东 广州 510530
3.中山大学附属第三医院神经内科,广东 广州 510530
4.首都医科大学宣武医院病理科,北京 100053
陈智杰,硕士,医师,研究方向:神经肿瘤,E-mail:zjchen3100@163.com
纸质出版日期:2021-07-20,
收稿日期:2021-03-04,
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陈智杰,黄振超,宋恩鹏等.大脑淋巴瘤病的临床及MRI特点分析[J].中山大学学报(医学科学版),2021,42(04):628-634.
CHEN Zhi-jie,HUANG Zhen-chao,SONG En-peng,et al.Clinical and MRI Characteristics of Lymphomatosis Cerebri[J].Journal of Sun Yat-sen University(Medical Sciences),2021,42(04):628-634.
陈智杰,黄振超,宋恩鹏等.大脑淋巴瘤病的临床及MRI特点分析[J].中山大学学报(医学科学版),2021,42(04):628-634. DOI: 10.13471/j.cnki.j.sun.yat-sen.univ(med.sci).2021.0420.
CHEN Zhi-jie,HUANG Zhen-chao,SONG En-peng,et al.Clinical and MRI Characteristics of Lymphomatosis Cerebri[J].Journal of Sun Yat-sen University(Medical Sciences),2021,42(04):628-634. DOI: 10.13471/j.cnki.j.sun.yat-sen.univ(med.sci).2021.0420.
目的
2
大脑淋巴瘤病(LC)是中枢神经系统淋巴瘤(PCNSL)的特殊类型,目前报道较少,预后较其它类型的PCNSL差,早期诊断对判断预后十分重要。本文报道经脑立体定向活检明确病理的大脑淋巴瘤病3例,以提高临床医师对大脑淋巴瘤病的认识。
方法
2
回顾性分析2017年1月-2020年7月间,中山大学附属第三医院岭南医院确诊为大脑淋巴瘤病3例患者的临床表现、影像学、神经病理特征。
结果
2
3例患者分别为44、61和64岁男性,出现进展性认知下降、视物模糊、下肢乏力等神经功能障碍表现,脑部核磁共振(MRI)发现双侧大脑弥漫性脑白质病变,表现为长T1长T2信号影,T2液体衰减反转恢复序列(T2-FLAIR)呈高信号,弥散加权序列(DWI)不均匀稍高,增强扫描强化不明显,经立体定向穿刺脑组织活检取材,镜下可见弥漫性B细胞浸润,CD20(+),结合影像学特征,均确诊为B细胞来源的大脑淋巴瘤病。
结论
2
大脑淋巴瘤病为中枢神经系统淋巴瘤的特殊类型,影像诊断困难,极易误诊,对于双侧大脑半球弥漫性病变、同时累及深部脑白质和灰质结构、无强化或小斑片状强化为影像学表现的患者,注意与此病相鉴别,尽早病灶活检,明确病理诊断,对患者的早期诊断及预后具有重要意义。
Objective
2
Lymphomatosis cerebri (LC) is a very rare variant of central nervous system lymphoma (PCNSL). However, there are few reports at present and LC has worse prognosis than other types of PCNSL. Hence, this study reports 3 cases of LC whose pathologic features had been clarified through stereotactic brain biopsy, to better characterize LC in order to improve early diagnosis and treatment.
Methods
2
From January 2017 to July 2020, the clinical manifestations, imaging and neuropathology of 3 patients diagnosed with LC in Lingnan Hospital of the Third Affiliated Hospital of Sun Yat-sen University were retrospectively analyzed.
Results
2
The 3 patients were 44-year-old, 61-year-old, and 64-year-old males with neurological dysfunction such as progressive cognitive decline, blurred vision, and lower limb weakness. Magnetic resonance imaging (MRI) revealed diffuse white matter lesions in the bilateral brain, which were manifested as long T1 and long T2 signal and demonstrated increased signal intensity on T2-fluid attenuated inversion recovery (T2-FLAIR) sequences and slightly higher in diffusion weighted imaging (DWI). Stereotactic brain biopsy specimen showed diffuse B cells infiltration, CD20 (+), consistent with LC.
Conclusions
2
LC is a rare variant of central nervous system lymphoma that usually has no specific clinical performance, so the doctor can easily succumb to misdiagnosis and missed diagnosis. MRI evidence of bilateral hemispheric involvement should be alerts for this diagnosis. Brain biopsy should be early performed to clarify the pathology, which is of great significance for early diagnosis and prognosis.
中枢神经系统淋巴瘤大脑淋巴瘤病立体定向手术脑活检
primary central nervous system lymphomaslymphomatosis cerebristereotactic surgerybrain biopsy
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