PMC7649594_01
(a) Resected specimen: The maximum tumor size was 80 mm in diameter. (b) Histopathological findings: The tumors were histologically, the pancreas tumor was diagnosed as the nonfunction pancreas neuroendocrine tumors (pNETs, G2). Immunohistochemical staining showed that the tumor lesions were synaptophysin positive.
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The maximal diameter of the resected tumor specimen was 80 mm (Fig. 1a). II) (Fig. 1b). Immunohistochemical staining revealed positivity for cytokeratin and synaptophysin and negativity for p53.
Abdominal dynamic CT scans shows highly enhanced liver tumors in early phase, one 15 mm in diameter in S3 (a) and the other 15 mm in diameter in S5/6 (b).
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At 38 months postoperatively, abdominal dynamic computed tomography revealed two 15-mm-diameter highly enhanced liver tumors in the early phase; one was present in segment (S) 3, and the other was present in S5/6 (Fig. 2).
Abdominal angiography showed tumor staining in S3 (a) and S5/6 (b), and TAE was performed.
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TAE was performed (Fig. 3). The right common femoral artery was punctured, and a 4-Fr sheath was placed under fluoroscopic guidance.
Tumors of S3(a) and S5/6 (b)liver were punctured by RFA needle and RFA was performed. No serious complications were observed after the therapy.
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One day after the TAE procedure, the metastatic liver tumors in S3 and S5/6 were punctured by a radiofrequency electrode (VIVA RF generator system; STARmed, Goyang, Korea) under computed tomography (SOMATOM Definition AS Open 64; Siemens, Munich, Germany) fluoroscopic guidance, and RFA was performed to treat the two metastatic liver tumors (Fig. 4).
14 months after RFA combined with TAE, abdominal dynamic CT scans shows no recurrence of liver S3 (a), S5/6 (b) tumors.
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Follow-up computed tomography revealed no recurrence after treatment by RFA combined with TAE (Fig. 5).