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Partial peripheral splenic embolization can be performed in case of incurable thrombocytopenia due to hypersplenism without following splenectomy. A combined proximal and peripheral splenic embolization should only be carried out immediately prior to splenectomy if complications of hemorrhage due to extreme splenomegaly are to be expected. An only proximally performed occlusion can be by-bassed by collaterals. Anatomic blood vessel variations, techniques and complications are discussed in 6 cases.
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