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“由内而外”征

The "Inside-outside" Sign.

作者信息

Haridass Shoban, Keshava Shyamkumar N

机构信息

Department of Interventional Radiology, Division of Clinical Radiology, Christian Medical College, Vellore, Tamil Nadu, India.

出版信息

J Clin Imaging Sci. 2021 Nov 1;11:57. doi: 10.25259/JCIS_192_2021. eCollection 2021.

DOI:10.25259/JCIS_192_2021
PMID:34754597
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8571281/
Abstract

We describe a radiological sign, "inside-outside sign," observed during the cannulation of an expandable contrast-filled tubular structure in the human body. In this optical illusion, a catheter or guidewire appears to be outside the lumen when it is inside the lumen in reality. Knowing this rare optical illusion is essential to avoid mistaking it for a catheter or guidewire outside the lumen.

摘要

我们描述了一种在人体中对可扩张的充满造影剂的管状结构进行插管时观察到的放射学征象——“由内向外征象”。在这种视错觉中，导管或导丝实际位于管腔内时却看似在管腔外。了解这种罕见的视错觉对于避免将其误认为是管腔外的导管或导丝至关重要。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f12/8571281/5a9791a5a9d2/JCIS-11-57-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f12/8571281/46f910397efa/JCIS-11-57-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f12/8571281/e32711a51b26/JCIS-11-57-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f12/8571281/5a9791a5a9d2/JCIS-11-57-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f12/8571281/46f910397efa/JCIS-11-57-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f12/8571281/e32711a51b26/JCIS-11-57-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1f12/8571281/5a9791a5a9d2/JCIS-11-57-g003.jpg

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本文引用的文献

1
Heuristics and Cognitive Error in Medical Imaging.医学影像学中的启发式和认知错误。
AJR Am J Roentgenol. 2018 May;210(5):1097-1105. doi: 10.2214/AJR.17.18907. Epub 2018 Mar 12.
2
Now you see it, now you don't: visual illusions in radiology.眼见为实？眼见非实：放射科中的视觉错觉。
Radiographics. 2013 Nov-Dec;33(7):2087-102. doi: 10.1148/rg.337125204.
3
Percutaneous placement of a biliary plastic stent.经皮放置胆道塑料支架。
Indian J Radiol Imaging. 2011 Jul;21(3):231-3. doi: 10.4103/0971-3026.85375.
4
Transjugular intrahepatic portosystemic shunt.经颈静脉肝内门体分流术
Semin Intervent Radiol. 2008 Jun;25(2):168-74. doi: 10.1055/s-2008-1076677.
5
Direct intrahepatic cavo-portal shunts in Budd-Chiari syndrome: Role of simultaneous fluoroscopy and trans-abdominal ultrasonography.布加综合征的直接肝内腔静脉-门静脉分流术：同步荧光透视和经腹超声检查的作用
Indian J Gastroenterol. 2006 Sep-Oct;25(5):248-50.