The back pain this patient from northern India had was initially blamed on small, nonobstructive renal calculi. The real culprit was spinal tuberculosis, a common cause of back pain in parts of the world where the infection is rampant. To read the full article, go to the Cleveland Clinic Journal of Medicine: http://www.ccjm.org/topics/infectious-diseases/single-article-page/persistent-back-pain-in-a-young-woman/5dd03a44eed9e20a5d01df4d7bd85328.html.