Abstract
A 78-year-old woman had undergone removal of a jejunal tumor with cystic formation showing 7 cm in size eight years earlier. This tumor was diagnosed as a gastrointestinal stromal tumor (GIST) with moderate risk that originated in the jejunum based on histopathological findings with immunohistochemistry. Abdominal CT revealed two small cystic tumors in the eighth segment of the liver in 2009. These tumors were diagnosed as liver metastases from the GIST because pericapsular stain with an increase in tumor size was seen on contrast-enhanced CT in 2010. Metastatic foci were removed by partial hepatectomy and tumor pathology was compatible with findings of the GIST arising from the jejunum. A careful long-term follow-up is required after resection of a GIST because the biological characteristics of GIST are being clarified.
