Contrast-Enhanced Sonography for Prostate Cancer Detection in Patients with Indeterminate Clinical Findings
Ahn Yi1,
Jeong Kon Kim1,
Seong Ho Park1,
Kyoung Won Kim1,
Ho Sung Kim1,
Jung Hoon Kim2,
Hyo Won Eun3 and
Kyoung-Sik Cho1
1 Department of Radiology, Asan Medical Center, University of Ulsan, 388-1
Poongnap-dong, Songpa-gu, Seoul 138-736, Korea.
2 Department of Radiology, Soonchunhyang University Hospital, Youngsan-gu, Seoul
140-743, Korea.
3 Department of Radiology, Healthcare System Gangnam Center, Seoul National
University Hospital, Gamman-gu, Seoul 135-948, Korea.

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Fig. 1A 62-year-old man with prostate cancer noted in lateral and medial
portions of mid gland on histologic examination. Gray-scale sonogram shows no
focal lesion with hypoechogenicity.
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Fig. 1B 62-year-old man with prostate cancer noted in lateral and medial
portions of mid gland on histologic examination. Color Doppler sonogram shows
slightly increased vascularity (arrows) that is noted predominantly
in inner gland. However, whether increased vascularity is enough to suggest
presence of cancer is uncertain, and therefore observer regarded this finding
as negative for prostate cancer.
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Fig. 1C 62-year-old man with prostate cancer noted in lateral and medial
portions of mid gland on histologic examination. Contrast-enhanced sonogram
shows strongly increased vascularity (arrows) in lateral and medial
portions of mid gland on both sides, suggesting presence of prostate
cancer.
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