05 September 2022
: Case report 
Severe Ureteral Endometriosis Complicated with Hydronephrosis: A Case Report
Unusual clinical course, Challenging differential diagnosis
Ying Bai1ABCDEFG, Yaqin Li1BC, Qi Li1BC, Weihong Zhao1ABCDEFG*DOI: 10.12659/AJCR.937172
Am J Case Rep 2022; 23:e937172
Figure 3. Pictures of surgically removed tissue and pathological pictures of the tissue. (A) Right mid-section stricture ureter; (B) Resection of the surrounding tissue of the ureter; (C, D) Intraoperative quick freezing pathological images, endometrial tissue can be seen in normal ureteral tissue. (E, F) 40× and 100× paraffin section images showing focal endometriosis.