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The value of dual- phase helical CT in the diagnosis of small pancreatic carcinoma

Xiangfeng Xu, Hongwei Song, Cheng Yu-qing

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Abstract

Objective:To evaluate the use of dual-phase helical CT in early detection of small pancreatic carcinoma.Methods:Dual-phase helical CT was performed on12patients with small pancreatic carcinoma with100ml intravenous contrast material injected at a rate of3ml/s.Pancreatic phase and portal venous phase began at30seconds and70seconds after the start of the injection.The enhancement of normal pancreas and tumor during the two phases was observed and compared.The assessment of tumor respectability based on CT findings was compared with surgical results.Results:Pancreas-tumor contrast was significantly greater in PP(43±9.0)HU than in PVP(21±14HU),P0.01.Before operation9of12were though of respectable,according with surgical results.Conclusion:Dual-phase helical CT could delineate small pancreatic carcinoma clearly and afford more information for the diagnosis and assessment of respectability of the lesion,and the pancreas-tuˉmor contrast was much better in PP than in PVP.

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What this paper is about

Objective:To evaluate the use of dual-phase helical CT in early detection of small pancreatic carcinoma.Methods:Dual-phase helical CT was performed on12patients with small pancreatic carcinoma with100ml intravenous contrast material injected at a rate of3ml/s.Pancreatic phase and portal venous phase began at30seconds and70seconds after the start of the injection.The enhancement of normal pancreas and tumor during the two phases was observed and compared.The assessment of tumor respectability based on CT findings was compared with surgical results.Results:Pancreas-tumor contrast was significantly greater in PP(43±9.0)HU than in PVP(21±14HU),P0.01.Before operation9of12were though of respectable,according with surgical results.Conclusion:Dual-phase helical CT could delineate small pancreatic carcinoma clearly and afford more information for the diagnosis and assessment of respectability of the lesion,and the pancreas-tuˉmor contrast was much better in PP than in PVP.

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Available abstract

Objective:To evaluate the use of dual-phase helical CT in early detection of small pancreatic carcinoma.Methods:Dual-phase helical CT was performed on12patients with small pancreatic carcinoma with100ml intravenous contrast material injected at a rate of3ml/s.Pancreatic phase and portal venous phase began at30seconds and70seconds after the start of the injection.The enhancement of normal pancreas and tumor during the two phases was observed and compared.The assessment of tumor respectability based on CT findings was compared with surgical results.Results:Pancreas-tumor contrast was significantly greater in PP(43±9.0)HU than in PVP(21±14HU),P0.01.Before operation9of12were though of respectable,according with surgical results.Conclusion:Dual-phase helical CT could delineate small pancreatic carcinoma clearly and afford more information for the diagnosis and assessment of respectability of the lesion,and the pancreas-tuˉmor contrast was much better in PP than in PVP.

Key concepts: Medicine, Pancreas, Pancreatic carcinoma, Carcinoma, Intravenous contrast, Radiology, Pancreatic tumor, Lesion

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The value of dual- phase helical CT in the diagnosis of small pancreatic carcinoma — Research Paper | ScholarLens