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      Renal endometriosis mimicking a renal tumor in a pregnant patient

      case-report

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          Abstract

          Renal endometriosis, if progressed is a serious localization of disease burden that can lead to urinary tract obstruction, with subsequent hydronephrosis leading to potential kidney loss. Diagnosis is elusive and relies heavily on clinical suspicion as endometriosis can occur with both minimal and extensive disease. Management technique varies but the goal is to salvage renal function and disease burden.

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          Endometriosis.

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            Endometriosis: ancient disease, ancient treatments.

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              Intrinsic form of ureteral endometriosis causing ureteral obstruction and partial loss of kidney function.

              Urinary tract endometriosis is rare and occurs in about 1% of all endometriotic lesions. About 30% of patients suffer from reduced kidney function at the time of diagnosis. A 49-year-old woman presented with a history of abdominal hysterectomy without adnexae because of uterus myomatosus without any signs of endometriosis 6 years before. Now she complained of dysuria and intermittent left loin pain. Sonography and retrograde pyelography demonstrated incomplete ureteric obstruction and scintigraphy revealed a partial loss of kidney function. Intraoperatively frozen section histology and final histologic examination demonstrated a tumor-like intrinsic form of ureteral endometriosis engulfing the left ureter. The patient was treated with uretero-ureterostomy and danazole for preventing recurrence. She is well 28 months postoperatively. In the extrinsic form (about 75% of all cases), ureteral endometriosis is localised to the adventitia or surrounding connective tissue of the ureter, whereas the intrinsic form of ureteral endometriosis is very rare and more often needs aggressive surgery.
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                Author and article information

                Contributors
                Journal
                Urol Case Rep
                Urol Case Rep
                Urology Case Reports
                Elsevier
                2214-4420
                10 August 2020
                November 2020
                10 August 2020
                : 33
                : 101374
                Affiliations
                [1]Armed Forces Institute of Urology, Rawalpindi, Pakistan
                Author notes
                []Corresponding author. musabumair923@ 123456gmail.com
                Article
                S2214-4420(20)30263-1 101374
                10.1016/j.eucr.2020.101374
                7574026
                33102073
                f3d8a90d-14f1-4c51-b0eb-6ce829ad468c
                © 2020 The Authors

                This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

                History
                : 25 June 2020
                : 2 August 2020
                : 5 August 2020
                Categories
                Oncology

                endometriosis,renal tumors,pregnancy,inflammatory mass
                endometriosis, renal tumors, pregnancy, inflammatory mass

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