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. Author manuscript; available in PMC: 2011 Apr 1.
Published in final edited form as: Ultrasound Med Biol. 2010 Apr;36(4):576–588. doi: 10.1016/j.ultrasmedbio.2009.12.006

Figure 6.

Figure 6

Matched B-mode and ARFI images of the typical appearance of BPH with the corresponding axial histological slide. The relative alignment between planes are indicated by the dashed white lines. The PZ and CZ are distorted from the BPH-enlarged TZ (circled in dashed green line). The TZ is seen surrounded by a stiffer band corresponding to a layer of fibromuscular tissue. The soft structure running through the TZ and connected to the apex is the urethra (green arrow), which is marked in green in the histological slide. The nodular texture inside the TZ was correlated to the growth of BPH nodules, which are circled with black ink in the histological slide. A prostate cancer on the left side of the specimen appears stiffer in ARFI images and hypoechoic in the B-mode images. The lesion is masked red in the histological slide.