骨盤内再発直腸癌に対するマイクロ波腫瘍凝固の試み

概要

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The possible use of percutaneous microwave tumor coagulator (PMCT) by using CT for local tumor recurrence of rectal cancer was studied in this paper. Preliminary study was performed using adult Landrace pig and we applied the coagulation time for 3 minutes. The CT guided PMCT was performed for patient with local abdomino-perineal excision. The tumor in the pelvic space were observed on CT images. With patient in the prone position on the CT table, a 14-gauge needle was used to penetrate the tumor under epidural and local anesthesia.PMCT was performed with an output of 60 watts for 60 seconds at a time. Effects of the PMCT were evaluated by CT images obtained three months after the therapy, there was no evidence of growth for the tumor on the CT images. Clinical symptoms disappered soon after the therapy, and no major complication was observed.Results of this study suggests that the CT guided PMCT therapy may be useful for local recurrence of rectal cancer.
特定非営利活動法人 Microwave Surgery研究会の論文