ISSN 1004-4140
CN 11-3017/P
CUI Run-he, LIU Hui, ZHAO Lei. Signature Analysis of Dynamic Enhanced CT for Gastrointestinal Carcinoid[J]. CT Theory and Applications, 2015, 24(4): 587-594. DOI: 10.15953/j.1004-4140.2015.24.04.13
Citation: CUI Run-he, LIU Hui, ZHAO Lei. Signature Analysis of Dynamic Enhanced CT for Gastrointestinal Carcinoid[J]. CT Theory and Applications, 2015, 24(4): 587-594. DOI: 10.15953/j.1004-4140.2015.24.04.13

Signature Analysis of Dynamic Enhanced CT for Gastrointestinal Carcinoid

  • Objective: To characterize the imaging findings of dynamic enhanced CT for gastrointestinal carcinoid, in order to improve the diognosis. Method: 11 patients with gastrointestinal carcinoid were retrospectively analyzed. The pathological changes of the cavity wall thickness, margin, morphology, adjacent structure, density and dynamic enhanced CT feature on three phases image were to evaluate. The ROC curve was used for finding prognostic factor of metastasis. Result: The attenuation of lesions in the plain scan was(33.54 ± 6.96)HU(range 26 - 48 HU),(62.72 ± 19.35)HU(range 33 - 87 HU) in the arterial phase, 56 - 100 HU(range 56 - 100 HU) in the venous phase,(60.09 ± 12.69)HU(range 43 - 78 HU) in the lag period. The lesions slowly enhanced, the density was to the peak in portal vein phase. The lesions density in delay phase was to lower, forming a plateau. Lesions in the cavity wall thickness had certain value in predicting carcinoid tumor distant metastasis(AUC = 0.917, <i<P</i<<0.05). Conclusion: Dynamic enhanced CT had clinical application value in diagnosis of gastrointestinal carcinoid.
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