Acute Cerebral Infarction After Radiofrequency Ablation of an Atypical Carcinoid Pulmonary Tumor
Gong Yong Jin1,
Jeong Min Lee2,
Yong Chul Lee3 and
Young Min Han1
1 Department of Diagnostic Radiology, Chonbuk National University Hospital,
Chonju, Chonbuk 561-712, South Korea.
2 Department of Radiology, Seoul National University Hospital, 28 Yongon-Dong,
Chongno-Gu, Seoul 110-744, South Korea.
3 Department of Internal Medicine, Chonbuk National University Hospital, Chonju,
Chonbuk 561-712, South Korea.

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Fig. 1A. 69-year-old woman with atypical carcinoid tumor in right
lower lobe of lung. Contrast-enhanced CT scan shows 4 x 4 cm irregular
round heterogeneously enhancing mass (arrow).
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Fig. 1B. 69-year-old woman with atypical carcinoid tumor in right
lower lobe of lung. Unenhanced CT scan obtained during radiofrequency ablation
shows that 17-gauge single radiofrequency electrode (arrow) was
placed in mass.
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Fig. 1C. 69-year-old woman with atypical carcinoid tumor in right
lower lobe of lung. T2-weighted MR image obtained after radiofrequency
ablation shows ill-defined high signal intensity and effacement of sulci
(arrows) in right posterior parietal lobe.
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Fig. 1D. 69-year-old woman with atypical carcinoid tumor in right
lower lobe of lung. Contrast-enhanced CT scan using mediastinal window setting
obtained at 9-month follow-up shows that size of previously identified
atypical carcinoid tumor (arrows) in right lower lobe has
significantly decreased.
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Copyright © 2004 by the American Roentgen Ray Society.