case_images: PMC9518658_01
case_images: CT-scan showing the size of lesion. The arrow points to a lesion of 5.5 cm x 5.1 cm.
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case_images: On the second day after admission, the patient underwent computerized tomography (CT) scan, showing a 5.5 cm x 5.1 cm lesion adjacent to the liver capsule (Figure 1).
case_images: CT-scan showing a little iodized oil deposition shadows.
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case_images: The results showed abnormal right lobe with margin atrophy. The patchy mixed density shadow was observed in the right posterior lobe of liver, and speckled shadow of iodide deposition were observed at the edge (Figure 2).
case_images: The pistol type particle implantation device.
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case_images: The instruments used in the present operation included pistol type particle implantation device (Figure 3), 18G particle implantation needle, and iodine-125 radioactive particles with an activity of 2.22E + 7 Bq (Beijing Atomic Technology Co., LTD).
case_images: Iodine-125 seed implantation around the lesion in a fan shape with a distance of 1 cm between each two seeds with CT guidance.
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case_images: The frame heads were adjusted to fan shape, and iodine-125 seeds were planted so that they were distributed in a fan shape with a distance of 1 cm between each two seeds (Figure 4).
case_images: CT-scan showing that lesions were completely necrotic and no signs of recurrence after 3 months of treatment.
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case_images: After 3 months of treatment, CT scan showed that the lesion was atrophic (Figure 5).
case_images: CT-scan showing that lesions were completely necrotic and no signs of recurrence after 5 years of treatment.
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case_images: Moreover, re-examinations after discharge showed that the lesions were completely necrotic and no signs of recurrence until last CT scan on January 1, 2021 (Figure 6), and mRECIST assessment was CR.