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- W2358772143 abstract "Objective To compare the CT findings of gastrointestinal schwannomas(GS) and gastrointestinal stromal tumors(GIST).Methods Clinical features,pathological characters and spiral CT findings of GS and GIST were retrospectively analyzed.Moreover,spiral CT findings of GS were compared with GIST.Results Of the 6 patients with GS,tumors were located in the stomach in 5 and duodenum in 1.The largest diameter of GS ranged from 16 to 70 mm(average,43 mm).Five of the 6 tumors showed round,oval or oblate shape with smooth edges,and 1 tumor showed lobulation and adherence to the adjacent organs.Unenhanced or contrast-enhanced CT showed homogeneous solid masses in all tumors,without hemorrhage,necrosis,cystic degeneration and calcification.Among the 29 patients with GIST,tumors originated in the stomach in 15,duodenum in 5,small intestine in 8 and colon in 1.Lesions were oval or irregular in shape.Tumors appeared as homogeneous dense solid in 7 cases,heterogeneous dense solid in 14,cystic and solid mixture in 8,and hemorrhage in 1.Enhanced CT scans showed homogeneous enhancement in 4 cases,heterogeneous enhancement with spot-like necrosis in 3,and marked heterogeneous enhancement with different degree of central necrosis in 22.The diameter of GIST ranged from 30 to 200 mm.Growth pattern was endoluminal in 18 of the 29 GIST,exophytic in 8,and mixed in 3. Conclusion The morphology,enhancement degree and enhancement mode were significantly different between GS and GIST.The differences can diagnose and distinguish most cases." @default.
- W2358772143 created "2016-06-24" @default.
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- W2358772143 date "2012-01-01" @default.
- W2358772143 modified "2023-09-26" @default.
- W2358772143 title "CT Findings of Gastrointestinal Schwannomas and Gastrointestinal Stromal Tumors" @default.
- W2358772143 hasPublicationYear "2012" @default.
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