初级中枢神经系统淋巴瘤:成像特征和差异诊断
Gabriela Amaral Ribas1, Lara Hemerly de Mori1, Tomás de Andrade Lourenção Freddi2
1Department of Diagnostic Imaging, Rio de Janeiro State University, Brazil.
The neuroradiology journal
|May 4, 2024
概括
主要中枢神经系统淋巴瘤 (PCNSL) 是一种罕见的脑瘤. 这项研究详细介绍了其磁共振成像 (MRI) 特性和免疫能力和免疫功能低下患者的差异诊断.
科学领域:
- 神经学 神经学
- 放射学 放射学是一门学科.
- 在瘤学瘤学.
背景情况:
- 主要中枢神经系统淋巴瘤 (PCNSL) 占恶性脑瘤的5%.
- 临床症状包括神经缺陷,内压力增加,发作和精神变化.
- 组织病理学是明确的,但非侵入性成像对于诊断至关重要.
研究的目的:
- 使用磁共振成像 (MRI) 阐明PCNSL的成像特征.
- 为了区分PCNSL与其常见的模仿者.
- 描述免疫能力相对免疫功能低下个体和非典型呈现的成像发现.
主要方法:
- 在PCNSL的MRI发现的审查.
- 通过不同患者群体的成像特征进行比较 (免疫能力强与免疫受损).
- 对非典型PCNSL变体的分析,包括外轴性,脑性淋巴瘤和血管内淋巴瘤.
主要成果:
- 免疫能力强的PCNSL:通常是一个单一的,带有特定MRI信号特征的 supratentorial病变 (iso/hypointense T1/T2,限制扩散,均增强).
- 免疫功能受损的PCNSL:通常多个病变,更高的出血/亡风险,更少的扩散限制;差异性包括感染.
- 非典型的形式:外轴性 (基于持续性),脑性淋巴瘤 (透性,白质),血管内 (多个"心脏病类似"的病变).
结论:
- 磁力共振成像对于诊断PCNSL至关重要,在免疫能力和免疫功能低下的患者中揭示出不同的模式.
- 识别成像变异是区分PCNSL与高度质瘤,脱髓性疾病和感染的关键.
- 对非典型表现的认识有助于全面的诊断和管理规划.
更多相关视频
09:41Imaging CD19+ B Cells in an Experimental Autoimmune Encephalomyelitis Mouse Model using Positron Emission Tomography
Published on: January 20, 2023
1.8K
08:57Author Spotlight: Genetically Engineered Mouse Models and Pathological Characterization of Neurofibromatosis Type 1 Associated Tumors
Published on: May 17, 2024
1.9K
相关概念视频
01:16Primary Lymphoid Organs
9.6K
Primary lymphoid organs are pivotal in the formation, development, and maturation of lymphocytes, the white blood cells that serve as the backbone of our immune system. This crucial function underscores their fundamental role in maintaining our overall health and immunity. The two primary lymphoid organs of prime importance are the red bone marrow and the thymus.
The red bone marrow is a soft, spongy tissue nestled in the interior of long bones such as the humerus and femur. It is the site...
The red bone marrow is a soft, spongy tissue nestled in the interior of long bones such as the humerus and femur. It is the site...
9.6K
01:15Secondary Lymphoid Organs
7.2K
Secondary organs, including lymph nodes, the spleen, and mucosa-associated lymphoid tissue (MALT), work harmoniously to protect us from disease and infection.
The spleen is a vital organ in the lymphatic system, nestled in the upper left side of the abdomen. It is composed of two primary regions: the red pulp and the white pulp, each having distinct functions. The red pulp performs a significant role in blood filtration. It efficiently purges the blood of old or damaged red blood cells and...
The spleen is a vital organ in the lymphatic system, nestled in the upper left side of the abdomen. It is composed of two primary regions: the red pulp and the white pulp, each having distinct functions. The red pulp performs a significant role in blood filtration. It efficiently purges the blood of old or damaged red blood cells and...
7.2K