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Detection of Bladder Tumors with Dynamic Contrast-Enhanced MDCT

Masahiro Jinzaki1, Akihiro Tanimoto1, Hiroshi Shinmoto1, Yutaka Horiguchi2,3, Kozo Sato1, Sachio Kuribayashi1 and Stuart G. Silverman4

1 Department of Diagnostic Radiology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, Japan 160-8582.
2 Department of Urology, Keio University School of Medicine, Tokyo, Japan.
3 Present address: Department of Urology, Tokyo Medical University, Toyko, Japan.
4 Department of Radiology, Brigham and Women's Hospital, Boston, MA.


Figure 1
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  		Fig. 1 —69-year-old man with 16-mm transitional cell carcinoma in anterior segment of bladder. MDCT scan shows tumor (arrow) in 2.5-mm section.

 

Figure 2
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  		Fig. 2 —62-year-old man with 8-mm transitional cell carcinoma in posterior segment of bladder. MDCT scan shows tumor (arrow) in 2.5-mm section.

 

Figure 3
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  		Fig. 3 —61-year-old man with 3-mm transitional cell carcinoma at bladder dome. MDCT scan shows tumor (arrow) in 2.5-mm section.

 

Figure 4
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  		Fig. 4A —50-year-old woman with 7-mm transitional cell carcinoma in anterior segment of bladder. Three consecutive axial images with 5-mm section thickness missed tumor (arrow, B). This was retrospectively considered to be a partial volume effect of the pubic bone.

 

Figure 5
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  		Fig. 4B —50-year-old woman with 7-mm transitional cell carcinoma in anterior segment of bladder. Three consecutive axial images with 5-mm section thickness missed tumor (arrow, B). This was retrospectively considered to be a partial volume effect of the pubic bone.

 

Figure 6
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  		Fig. 4C —50-year-old woman with 7-mm transitional cell carcinoma in anterior segment of bladder. Three consecutive axial images with 5-mm section thickness missed tumor (arrow, B). This was retrospectively considered to be a partial volume effect of the pubic bone.

 

Figure 7
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  		Fig. 4D —50-year-old woman with 7-mm transitional cell carcinoma in anterior segment of bladder. MDCT scan obtained with 2.5-mm section thickness with 50% overlap and sagittal reconstruction shows tumor (arrow).

 

Figure 8
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  		Fig. 5A —63-year-old man with 19-mm transitional cell carcinoma at neck of bladder. Axial MDCT scan obtained with 5-mm section thickness suggests lesion (arrow) is part of enlarged prostate gland.

 

Figure 9
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  		Fig. 5B —63-year-old man with 19-mm transitional cell carcinoma at neck of bladder. MDCT scan obtained with 2.5-mm section thickness with 50% overlap and sagittal reconstruction shows transitional cell carcinoma (arrow) of bladder.

 

Figure 10
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  		Fig. 6 —78-year-old man with two adjacent transitional cell carcinomas in bladder. Coronal reconstruction MDCT scan shows enhancing lesion at neck of bladder on right side. Lesion corresponded to two adjacent but separate tumors measuring 8 mm (white arrow) and 15 mm (black arrow) at cystoscopy.

 

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