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What is Gold standard investigation for recurrent gastrointestinal stromal tumor is and explain in detail?
.Investigation: - Mainly CT scan - Tumour / molecular marker to differentiate it from sarcomas (immunohistochemistry). - Endosonography guided biopsy/guided FNAC are impoant to get histological confirmation. - 18 FDG PET scan is very useful adjunct to CT but reserved for difficult/equivocal cases. ref:SRB&;S manual of surgery,ed 3,pg no 792