Abstract
Purpose
Many patients with advanced esophageal cancer have a stent inserted in the esophagus, but very little else can be done. We devised a new method of delivering thermotherapy using an implant heating system (IHS) with a metallic stent. To our knowledge, there are no other reports of thermotherapy using metallic stents. We report our clinical results of treating patients with this new technique.
Methods
A metallic stent was placed in the esophagus and heated for thermotherapy. This was combined with simultaneous chemotherapy in 13 patients and radio-chemotherapy in 5 patients. Each thermotherapy session consisted of heating the stent to 50°C for 10 min. These 18 patients received a collective 52 sessions of thermotherapy. The tumor was excised after this treatment in 5 of these 18 patients.
Results
We evaluated 17 of the 18 patients, after the exclusion of 1 patient who underwent radio-chemotherapy before placement of the stent. There was 1 complete response (CR) and 12 partial responses (PR), accounting for 76%. The patient with a CR had no residual cancer cells detected by pathologic examination after surgical resection. Thermotherapy proved effective in 8 (89%) of 9 patients who received this treatment at least three times. It was effective in all (100%) patients who underwent concomitant radio-chemotherapy.
Conclusions
Our results show that thermotherapy using a stent can improve the effectiveness of combination therapy, suppress local tumor growth, and enhance quality of life over a long period.
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Akiyama, S., Kawasaki, S., Kodera, Y. et al. A New Method of Thermo-chemotherapy Using a Stent for Patients with Esophageal Cancer. Surg Today 36, 19–24 (2006). https://doi.org/10.1007/s00595-005-3089-1
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DOI: https://doi.org/10.1007/s00595-005-3089-1