When the stones happen to be in the upper 1/3 part of the ureter, the pain will be in the costovertebral angle region &radiate to the part above iliac crest &external side of the abdomen.

• 2输尿管结石:腰部剧烈绞痛；常伴血尿.；结石在输尿管上1/3段时；疼痛在肋脊角区；并放射到髂脊上方和腹外侧