Abstract:Objective To analyze the application value of 128-slice spiral CT and multi-planar (MPR) post-processing technology in preoperative diagnosis of gastrointestinal stromal tumor (GIST), so as to valuable reference for clinical diagnosis in the future. Methods From January 2017 to June 2019, 20 GIST patients confirmed by surgical pathology and immunohistochemistry were selected as the research objects. A total of 128 slice spiral CT was performed on them, and MPR post-processing technology was applied. Based on the results of pathology and immunohistochemistry, the detection of lesions, the location and qualitative results of CT and MPR post-processing technology were statistically analyzed. Results By CT and MPR post-processing technology, 13 cases of gist were located in stomach, 5 in small intestine and 2 in duodenum. There were 13 cases of mucosal appearance and 7 cases of obvious ulcer in mucosa. There were 15 cases of solid capsule and 5 cases of solidity. Enhanced scanning revealed 12 cases of uniform tumor enhancement and 8 cases of uneven enhancement. Among the patients with uniform enhancement, 11 cases were diagnosed as benign and 1 case was potentially malignant. Among the patients with uneven enhancement, the lesions were diagnosed as benign in 2 cases and malignant in 6 cases. There were no significant differences between the location and qualitative results of CT and MPR post-processing technology and pathological examination (P>0.05). Conclusion 128-slice spiral CT and MPR post-processing technology can obtain accurate localization and qualitative results, and have high clinical diagnostic accuracy, which is worthy of attention and promotion.
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