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恶性紧突巨细胞瘤的MR成像特征

Anika R Dutta¹, Doris E Wenger², Matthew P Thorpe¹

¹Department of Radiology, Mayo Clinic, Rochester, Minnesota 55905 (A.R.D., D.E.W., M.P.T., M.A.F., S.M.B.).

Academic radiology

|April 26, 2025

概括

与良性TSGCT相比,恶性紧关节巨细胞瘤 (TSGCT) 往往更大,外关节,并且有不规则的边缘和周围血管. 这些MRI特征有助于区分恶性TSGCT和良性TSGCT.

科学领域:

肌肉骨放射学肌肉骨放射学
瘤成像学成像学
瘤生物学瘤生物学

背景情况:

紧缩性巨细胞瘤 (TSGCTs) 是由突产生的新生体.
区分良性和恶性TSGCT对于适当的管理至关重要.
磁力共振成像 (MRI) 是评估TSGCTs的关键成像方式.

研究的目的:

识别和描述MRI特征,使恶性TSGCT与良性TSGCT区分开来.
阐明与TSGCT恶性瘤相关的特定成像发现.

主要方法:

对病理证明的良性和恶性TSGCTs的MRI检查的回顾性审查.
分析成像特征,包括位置,边缘,增强模式和相关发现.
良性和恶性TSGCT组之间的MRI特征的统计比较.

主要成果:

在良性和恶性TSGCT之间,在年龄,性别或大多数MRI信号/增强特征方面没有发现显著差异.
恶性TSGCT与关节外位置 (p=0.009),不规则的边缘 (p=0.0014),周周血管 (p=0.0014) 和更大的最大尺寸 (p=0.036) 显著相关.
一些恶性TSGCTs在成像上缺乏与突内结构的关联.

结论:

虽然存在重叠的特征,但特定的MRI发现,如更大的尺寸,外关节位置,不规则的边缘和突出的周周血管,表明TSGCTs的恶性病.
这些区分特征对于准确的诊断和治疗规划至关重要.
放射科医生应考虑TSGCT中的恶性瘤,即使与突起源没有明确关联.

关键词:

巨细胞瘤肌罩巨细胞瘤肌罩恶性恶性恶性在PVNS中使用PVNS.这是TSGCTCT.长结核巨细胞瘤

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