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与皮下干扰的IgG4相关疾病以及MRI相关的诊断挑战

Tomonori Kawasaki¹, Jiro Ichikawa², Kojiro Onohara³

¹Department of Pathology, Saitama Medical University International Medical Centre, Saitama, Japan.

Skeletal radiology

|July 31, 2024

概括

与IgG4相关的疾病可以在MRI上模仿瘤,导致误诊. 皮下IgG4相关的疾病需要仔细的本病学检查超出针活检以准确诊断.

科学领域:

病理学病理学病理学
放射学放射学是一门学科.
免疫学免疫学免疫学

背景情况:

免疫球蛋白G4相关疾病 (IgG4-RD) 是一种罕见的纤维炎症疾病.
它的特征是IgG4丰富的血细胞透.
皮下IgG4-RD可以呈现非典型的成像发现.

研究的目的:

报告一种皮下IgG4-RD病例,具有不寻常的MRI特征.
为了突出诊断挑战由于非典型的成像和针活检的局限性.
强调综合性遗传病理学评估的重要性.

主要方法:

案例报告的呈现方式.
对临床,放射学 (MRI) 和组织病理学发现的审查.
对切割样本进行分析,以确定确诊.

主要成果:

患者最初被误诊为良性瘤,基于MRI和针活检.
切除的样本证实了IgG4相关的疾病,具有高IgG4/IgG比率 (>80%).
核磁共振成像结果模仿了肉瘤,包括尾巴标志,不清楚的边界和异质增强.

结论:

皮下IgG4-RD可能被误诊,因为非典型的MRI发现模仿恶性瘤.
针活检可能不完全代表性,需要对切除的组织进行仔细的组织病理学检查.
临床医生必须保持对IgG4-RD的高怀疑指数,即使活检和成像结果看似一致.

关键词:

活检是为了检查生物质.差异诊断是一种差异诊断.组织病理学组织病理学与IgG4相关的疾病这就是为什么MRI是MRI.皮下使用皮下使用皮下使用

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