• World J. Gastroenterol. · Feb 2015

    Case Reports

    Primary gastrointestinal stromal tumor of the liver treated with sequential therapy.

    • Xian-Ke Lin, Qing Zhang, Wei-Li Yang, Chun-Hui Shou, Xiao-Sun Liu, Jian-Yi Sun, and Ji-Ren Yu.
    • Xian-Ke Lin, Qing Zhang, Wei-Li Yang, Chun-Hui Shou, Xiao-Sun Liu, Jian-Yi Sun, Ji-Ren Yu, Department of Gastrointestinal Surgery, the First Affiliated Hospital, Medical College, Zhejiang University, Hangzhou 310003, Zhejiang Province, China.
    • World J. Gastroenterol. 2015 Feb 28; 21 (8): 2573-6.

    AbstractA 67-year-old female presented with a primary hepatic gastrointestinal stromal tumor that was detected by computed tomography and diagnosed based on histopathological and genetic analyses. The tumor was microscopically composed of spindle cells and epithelioid cells, and immunohistochemistry results showed positive staining for CD117 and CD34 expression. A genetic analysis revealed a heterozygous point mutation and deletion in exon 11 of c-KIT. After an R0 resection, imatinib mesylate was administered for 1 year until its use was discontinued due to severe side effects. Two years after the original operation, the tumor recurred in the residual liver and was completely resected again. Imatinib mesylate was administered for 2 years until it was replaced by sunitinib malate because of disease progression. The patient has survived for 53 mo after undergoing a sequential therapy consisting of surgical excision, imatinib and sunitinib.

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