本帖最后由 于 2009-11-02 21:38:00 编辑

脐尿管残余。Urachal remnants are seen in about one-third of adult bladders. Occasionally, the remnant may have dilated chambers and a tortuous course through the bladder. Sectioning through such remnant may result in the appearance seen in this image.

脐尿管残余。Urachal remnants are seen in about one-third of adult bladders. Occasionally, the remnant may have dilated chambers and a tortuous course through the bladder. Sectioning through such remnant may result in the appearance seen in this image.