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KMID : 1103720110650060577
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Journal of the Korean Society of Radiology
2011 Volume.65 No. 6 p.577 ~ p.583
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Pulmonary Lipiodol Accumulation after Transarterial Chemoembolization: CT Findings and Its Radiologic Outcomes
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Youn In-Young
Chong Se-Min
Kwak Byung-Kook
Shim Hyung-Jin
Seo Gi-Young
Kim Jae-Kyun
Seo Jae-Seung
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Abstract
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Purpose: To evaluate CT findings and radiologic outcomes of pulmonary lipiodol accumulation (PLA) after transarterial chemoembolization (TACE).
Materials and Methods : This retrospective study involved 488 TACEs for hepatocellular carcinoma (HCC) (n = 160) and hepatic metastasis for non-hepatic malignancies (n = 7) in 167 patients. We reviewed the patient clinicoradiologic findings before and after TACE and calculated the incidence of PLA and PLA resolution time after initial CT and after TACE.
Results: Lipiodol accumulation in the lungs was seen under CT after TACE in seven patients (M : F = 6 : 1, mean age 61 years). The incidence of PLA at CT was 4.1% (7/167 patients). In five patients, associated intrathoracic abnormalities including pleural effusion with (n = 3) or without consolidation (n = 2) were revealed at CT scans. The CT resolution time and PLA recovery time were 56 ± 54 days and 66 ± 52 days, respectively.
Conclusion: The recovery time for lipiodol accumulation was 66 days. It is believed that the clinical and radiologic outcome of PLA without respiratory failure is promising, and conservative treatment will suffice when lipiodol accumulation in the lungs is seen in CT images after TACE.
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KEYWORD
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Lung, Iodized Oils, Chemoembolization, Therapeutic, Tomography, Spiral Computed
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