Ureteral endometriosis

Case contributed by Dr Gustavo Aguiar



Patient Data

Age: 40 years
Gender: Female

MRI shows a right hydronephrosis due paracervical endometriotic implant that involves the distal right ureter

Annotated image

Paracervical endometriotic implant (arrow) that involves the ureter (*)

Case Discussion

Ureteral endometriosis is the involvement of ureter by endometriotic tissue. There are two types of this condition: intrinsic and extrinsic. Intrinsic ureteral endometriosis is histologically defined by infiltration of the muscularis of the ureteral wall. Extrinsic involvement is more common (80% of cases) and is caused by progressive enclosure of the ureter by endometriotic tissue. Thus, ureteral endometriosis should be considered in any female patient of child-bearing age who has obstructive uropathy attributable to extrinsic obstruction of the of the distal ureter.

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Case information

rID: 68149
Published: 15th May 2019
Last edited: 14th Aug 2019
System: Gynaecology
Inclusion in quiz mode: Included
Institution: Clínica Villas Boas

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