Abstract
Nine patients with renal cell carcinoma and severe hematuria were palliatively treated with a new type of angioocclusion: The concept of capillary embolization. The so-called occlusion gel Ethibloc was used as embolizing agent. Each patient was followed up until death or for at least 4 years. All patients had a stage T3 or T4 tumor, 3 patients had metastases to multiple organs, 3 had lung metastases, and 3 were free of metastatic disease. In all cases, very high volumes (14–40 ml) of the embolizing agent were necessary to achieve total occlusion of the entire arterial compartment. Patients without metastatic disease had a mean survival time of 6 years and 4 months, all of them without signs of malignant disease. Patients with metastases had a mean survival time of 3 years. Compared with the natural history of renal cell carcinoma treated otherwise, this represents a substantial prolongation of survival time. Contrary to other angioocclusive treatment modalities, the concept of capillary occlusion with Ethibloc seem to achieve total tumor destruction.
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Kauffmann, G.W., Richter, G.M., Rohrbach, R. et al. Prolonged survival following palliative renal tumor embolization by capillary occlusion. Cardiovasc Intervent Radiol 12, 22–28 (1989). https://doi.org/10.1007/BF02577121
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DOI: https://doi.org/10.1007/BF02577121