A Case of Liver Metastasis from Small Intestinal Gastrointestinal Stromal Tumor 25 Years after Surgery including Autopsy Findings

Figure 4

Pathological analysis of the liver biopsy revealed dense proliferation of spindle-shaped atypical cells. The tumor cells were positive for c-kit and CD34, and the patient was diagnosed with GIST. The MIB-1 labelling index was 2% (x 400).

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