PMC4106964_01
Color Doppler images of a midgland level cross-section at presentation.. Notes: Image (A) shows an overlay of blood flow (red areas), and image (B) 11.5 mm x 3.7 mm hypoechoic lesion on the right side of the image (left side of patient demarcated by plus signs).. Abbreviation: D, diameter of the tumor.
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Findings revealed a 48 cc prostate with a distinct hypoechoic lesion in the left midgland extending toward the apex measuring 11x3x14 mm (Figure 1).
Color Doppler images of a midgland level cross-section after 6 months of treatment.. Notes: (A) Modest blood flow to this area was absent after 6 months of enzalutamide treatment. (B) After 6 months of enzalutamide, the lesion significantly decreased to 5.3 mm x 1.9 mm. Plus signs represent the tumor borders or space occupied by the tumor, which are substantially smaller after drug treatment.. Abbreviation: D, diameter of the tumor.
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Color Doppler ultrasound and MRI showed almost complete resolution of the prostate lesion (Figure 2).