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[CT guided percutaneous microwave tumor coagulation therapy for local recurrence of rectal cancer]
T Ishida1, M Yoshii, T Murakami
1Dept. of Radiology, Toyonaka Municipal Hospital.
Purpose:
To evaluate the usefulness of the CT guided percutaneous microwave tumor coagulation (PMTC) therapy for local recurrence of rectal cancer.
Materials And Methods:
The CT guided PMTC was performed for two patients with local recurrence of rectal cancer. Maximum axial diameter of the tumor was 30 mm on CT images. With patients in the prone position on the CT table, a 14-gauge needle-electrode was used to penetrate the tumor under epidural and local anesthesia. PMTC was performed with an output of 60 watts for 60 seconds at a time. Effects of the PMTC were evaluated by CT images obtained three months after the therapy.
Results:
In both cases, there was no evidence of tumor growth on the CT images. Clinical symptoms disappeared soon after the therapy, and no major complication was observed.
Conclusion:
The CT guided PMTC therapy was useful for local recurrence of rectal cancer.