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2025, Vol: 11, Issue: 2
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Case Report
Online Published: 09 Mar 2025
 


CT and MRI Features of the 'Fogging Effect': A Case Report and Literature Review.

Chorouk Mountassir, Otmane Soussi, Mohamed Labied, Ghizlane Lembarki, Mouna Sabiri, Samira Lezar.


Abstract
The 'fogging effect' is a phenomenon observed in CT or MRI imaging that results in a transient normalization of parenchymal abnormalities, such as changes in density or signal, in the context of ischemic strokes.
This effect is typically seen in 10 to 54% of cases during the subacute phase of cerebral infarction and is caused by the migration of lipid-rich macrophages, leukocytes, and the extravasation of red blood cells into the infarcted area.
These changes can cause an apparent improvement in imaging findings, leading to an incorrect interpretation of the patient’s condition. If this phenomenon is not recognized, it can result in diagnostic errors, potentially causing unnecessary treatment discontinuation or altered clinical management.
In this report, we present the case of a 60-year-old patient with a subacute ischemic stroke, where the 'fogging effect' was evident on both CT and MRI scans, emphasizing the importance of awareness in preventing misdiagnosis and ensuring appropriate treatment.

Key words: stroke, fogging effect, CT, MRI, SWI


 
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How to Cite this Article
Pubmed Style

Mountassir C, Soussi O, Labied M, Lembarki G, Sabiri M, Lezar S. CT and MRI Features of the 'Fogging Effect': A Case Report and Literature Review.. A J Diagn Imaging. 2025; 11(2): 15-18. doi:10.5455/ajdi.20250209055539

Web Style

Mountassir C, Soussi O, Labied M, Lembarki G, Sabiri M, Lezar S. CT and MRI Features of the 'Fogging Effect': A Case Report and Literature Review.. https://www.wisdomgale.com/ajdi/?mno=241932 [Access: March 15, 2025]. doi:10.5455/ajdi.20250209055539

AMA (American Medical Association) Style

Mountassir C, Soussi O, Labied M, Lembarki G, Sabiri M, Lezar S. CT and MRI Features of the 'Fogging Effect': A Case Report and Literature Review.. A J Diagn Imaging. 2025; 11(2): 15-18. doi:10.5455/ajdi.20250209055539


Vancouver/ICMJE Style

Mountassir C, Soussi O, Labied M, Lembarki G, Sabiri M, Lezar S. CT and MRI Features of the 'Fogging Effect': A Case Report and Literature Review.. A J Diagn Imaging. (2025), [cited March 15, 2025]; 11(2): 15-18. doi:10.5455/ajdi.20250209055539


Harvard Style

Mountassir, C., Soussi, . O., Labied, . M., Lembarki, . G., Sabiri, . M. & Lezar, . S. (2025) CT and MRI Features of the 'Fogging Effect': A Case Report and Literature Review.. A J Diagn Imaging, 11 (2), 15-18. doi:10.5455/ajdi.20250209055539


Turabian Style

Mountassir, Chorouk, Otmane Soussi, Mohamed Labied, Ghizlane Lembarki, Mouna Sabiri, and Samira Lezar. 2025. CT and MRI Features of the 'Fogging Effect': A Case Report and Literature Review.. American Journal of Diagnostic Imaging , 11 (2), 15-18. doi:10.5455/ajdi.20250209055539


Chicago Style

Mountassir, Chorouk, Otmane Soussi, Mohamed Labied, Ghizlane Lembarki, Mouna Sabiri, and Samira Lezar. "CT and MRI Features of the 'Fogging Effect': A Case Report and Literature Review.." American Journal of Diagnostic Imaging 11 (2025), 15-18. doi:10.5455/ajdi.20250209055539


MLA (The Modern Language Association) Style

Mountassir, Chorouk, Otmane Soussi, Mohamed Labied, Ghizlane Lembarki, Mouna Sabiri, and Samira Lezar. "CT and MRI Features of the 'Fogging Effect': A Case Report and Literature Review.." American Journal of Diagnostic Imaging 11.2 (2025), 15-18. Print. doi:10.5455/ajdi.20250209055539


APA (American Psychological Association) Style

Mountassir, C., Soussi, . O., Labied, . M., Lembarki, . G., Sabiri, . M. & Lezar, . S. (2025) CT and MRI Features of the 'Fogging Effect': A Case Report and Literature Review.. American Journal of Diagnostic Imaging , 11 (2), 15-18. doi:10.5455/ajdi.20250209055539


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