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- W2362166146 abstract "Objective:To study the imaging findings,the hemo-dynamic characteristics of renal collecting duct carcinoma,and to correlate with pathology,in order to improve the diagnostic accuracy.Methods:5 cases with surgery and pathology proved collecting duct carcinoma of kidney underwent spiral CT plain scan,post-contrast cortico-medullary phase and nephrographic phase scans before surgery.The CT features were reviewed and analysed retrospectively,correlation with surgical and pathological findings was also studied.Results:All of the 5 tumors were irregular in shape and ill-defined,with the mean diameter as 7.3cm (ranged from 4.0cm to 13.5cm).The renal contour of these 5 cases were basically normal.Tumor involved renal cortex and medulla (n=2),renal cortex and medulla as well as renal pelvis (n=3).Tumor mass was solid with small area of necrosis (n=3) and solid with cystic change with irregular hypo-attenuated fluid component (n=2).The CT value of the solid component on plain scan images was 17.1~36.8HU (mean=27.4HU).After contrast enhancement,the CT value of tumor on cortico-medullary phase images and nephrographic phases images were 27.4~53.5HU (mean=38.7HU) and 36.0~74.2HU (mean= 47.6HU) respectively.Spotted and punctate calcifications were found in 1 case,retroperitoneal lymph node metastases in 2 cases and pulmonary metastases in 1 cases.Conclusion:The CT characteristics of renal collecting duct carcinoma included:small tumor located within renal medulla,large tumor located within central part of kidney,with basically normal renal contour,markedly irregular in shape,ill-defined,masses with mild or moderate degree enhancement,which were progressively enhanced in the delayed phase,lymph node and distal metastases could often be revealed." @default.
- W2362166146 created "2016-06-24" @default.
- W2362166146 creator A5052131492 @default.
- W2362166146 date "2008-01-01" @default.
- W2362166146 modified "2023-09-27" @default.
- W2362166146 title "Dynamic Spiral CT Findings of Renal Collecting Duct Carcinoma" @default.
- W2362166146 hasPublicationYear "2008" @default.
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