projected range

Results Clear transrectal sonograms of the bladder neck from were obtained from all the cases. Typical sonogram features of bladder neck obstruction were anterior or posterior labium thickened, and projected into the bladder, the thickness range from 4 to 10 mm.

结果所有受检者经直肠超声均可获得膀胱颈连续清晰的图像，女性膀胱颈梗阻超声表现为膀胱颈前唇和（或）后唇增厚突入膀胱，厚度范围4~10mm；

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