充血性肝病:病理生理学,工作和成像发现与病理相关性
Marta Flory1, Khaled M Elsayes1, Ania Kielar1
1From the Department of Radiology, Division of Body Imaging, Stanford University School of Medicine, 300 Pasteur Dr, H1307, Stanford, CA 94305 (M.F., A. Kamaya); Department of Radiology, University of Texas MD Anderson Cancer Center, Houston, Tex (K.E.); Department of Medical Imaging, University of Toronto, Toronto, Ontario, Canada (A. Kielar, M.S.); Department of Radiology, University of Chicago, Chicago, Ill (C.H.); Department of Radiology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio (J.R.D.); Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY (N.H.); Department of Pathology, University of Pittsburgh Medical Center, Pittsburgh, Pa (M.M.); Department of Radiology, Naval Medical Center San Diego, San Diego, Calif (R.M.); and Department of Radiology, Northwestern Memorial Hospital, Northwestern University Feinberg School of Medicine, Chicago, Ill (A.A.B.).
放射科医生面临的挑战是区分良性肝结节从肝细胞癌 (HCC) 在拥挤的肝脏. 像LI-RADS这样的标准诊断算法是不可靠的,因为肝脏拥堵中的图像特征重叠.
科学领域:
- 放射学 放射学是一门学科.
- 肝病学 肝病学是一种肝病学.
- 医疗成像医学成像
背景情况:
- 由于血液动力学变化,肝脏拥堵带来了诊断挑战.
- 堵塞会导致扩散的辅酶体变化和结节的发展,模仿恶性瘤.
- 区分良性焦点结节性增生 (FNH) 样结节和肝细胞癌 (HCC) 是很困难的.
研究的目的:
- 讨论肝脏拥堵和结节形成的病理生理学.
- 审查成像发现,并模仿肝脏拥堵和高血管病变.
- 提出一种诊断算法,用于肝脏病变的高血管性肝脏病变在拥挤的肝脏.
主要方法:
- 复杂的肝脏宏观和微血动力学在拥堵的审查.
- 分析成像特征,区分良性与恶性结节.
- 评估肝脏成像报告和数据系统 (LI-RADS) 在拥挤的肝脏中的局限性.
主要成果:
- 在拥挤的肝脏中,FNH类结节和HCC共享重叠的成像特征.
- 在这种情况下,标准LI-RADS标准缺乏具体性.
- 形态变化和肝硬度增加使肝硬化诊断复杂化.
结论:
- 肝脏拥堵需要一个量身定制的方法来成像诊断.
- 放射科医生必须意识到肝脏拥堵的诊断陷.
- 对于肝脏拥堵的高血管病变,需要新的概念化和诊断算法.
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