Renal endometriosis presenting with a giant subcapsular hematoma: case report

Dirim, Ayhan; Celikkaya, Selahattin; Aygün, Cem; Çaylak, Berrin

doi:10.1016/j.fertnstert.2009.04.013

Cited by 16 publications

(27 citation statements)

References 14 publications

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“…Endometriosis is an important clinicopathological entity that is defined as the growth of endometrial tissue outside the endometrial cavity [ 1 , 5 ]. It is the second most common pathologic condition in the female pelvis and is estimated to affect 15 % of women of reproductive age [ 3 , 5 ]. Although the pelvis is the most commonly affected region, endometriosis can also occur at extrapelvic sites.…”

Section: Discussionmentioning

confidence: 99%

“…A small percentage of endometriotic cases (0.1–1 %) occur in the urinary tract, despite subclinical disease being potentially underestimated [ 5 ]. The locations and relative frequencies of urinary tract endometriosis are as follows: the bladder, 80–84 %; ureter, 14 %; kidney, 4 %; and urethra, 2 %; at an approximate ratio of 40:5:1:1, respectively [ 3 , 6 ].…”

Section: Discussionmentioning

confidence: 99%

“…Despite numerous studies on endometriosis, the mechanism of occurrence at extragenital sites remains unclear. Three types of theories have been proposed to explain this: embryonic, migratory, and immunologic theories [ 3 , 5 , 7 ]. Embryonic theories suggest that endometriosis results from metaplastic changes of Wolffian, Mullerian, and occasionally peritoneal (celomic) structures [ 3 , 5 – 7 ].…”

Section: Discussionmentioning

confidence: 99%

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Endometriosis in a kidney with focal xanthogranulomatous pyelonephritis and a perinephric abscess

Cheng

Kuo

2015

BMC Res Notes

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BackgroundThe presence of endometriosis in the kidney is extremely rare. We report a case of endometriosis in renal parenchyma incidentally found in a malfunctioning kidney removed because of xanthogranulomatous pyelonephritis.Case presentationA 53-year-old Chinese premenopausal woman presented with intermittent right flank pain for many years. Imaging studies revealed a contracted non-functioning right kidney and a perinephric abscess. The contracted kidney was considered to have resulted from chronic pyelonephritis. The abscess was drained. The patient subsequently underwent a right nephrectomy. Histology revealed endometriosis of renal parenchyma in addition to xanthogranulomatous pyelonephritis and a perinephric abscess. No evidence of endometriosis was identified at the pelvic site. The patient was symptom-free after operation.ConclusionEndometriosis is a common benign condition in women of reproductive age that is characterized by the presence of endometrial glands and stroma outside the uterine cavity, which affects either genital or extragenital sites. Involvement of the urinary tract is rare. Among the urinary tract endometriosis, only a few cases involve the kidney. Renal endometriosis is difficult to diagnose; a final diagnosis relies on the pathohistologic findings. Treatment involves hormonal manipulation or a hysterectomy with bilateral salpingo-oophorectomy. Whether a nephrectomy required depends on the level of renal function. Although extremely rare, renal endometriosis should be part of the differential diagnostic spectrum when a contracted, non-functioning kidney is present. Early diagnosis might have prevented an unnecessary nephrectomy in cases of uncomplicated renal endometriosis.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Endometriosis in a kidney with focal xanthogranulomatous pyelonephritis and a perinephric abscess

Cheng

Kuo

2015

BMC Res Notes

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“…Presenting symptoms and signs include flank or back pain, hematuria, hydronephrosis, or a renal mass (Dirim et al, 2009). Additional studies are necessary to help determine its etiology (intravenous pyelography, computerized tomography scan or MRI).…”

Section: Renal Endometriosismentioning

confidence: 99%

Abdominopelvic Complications of Endometriosis

Rey-Moreno¹

2012

Endometriosis - Basic Concepts and Current Research Trends

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“…2 Because renal endometriosis is an extremely rare manifestation of this disease, it has only occasionally been reported in the past. [3][4][5][6] In July 2013, we performed a radical nephrectomy for a woman with renal endometriosis who was preoperatively misdiagnosed as having a renal tumor. We report our experience to raise awareness that cyclical manifestations of lumbodorsal pain and hematuria should be approached with a high index of suspicion to avoid misdiagnosing renal endometriosis in the future.…”

mentioning

confidence: 99%

Renal Endometriosis Tends to Be Misdiagnosed as Renal Tumor: A Rare Case Report

Yang

Song

Chen

et al. 2015

International Surgery

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Renal endometriosis is a rare disease for which the mechanisms of pathogenesis are still unclear. As such, early diagnosis and an appropriate treatment are often delayed because of the tendency to be misdiagnosed as a renal tumor. In October 2013 we performed a radical nephrectomy for a 37-year-old woman with renal endometriosis who was preoperatively misdiagnosed as having a right renal tumor. Avoiding the misdiagnosis of renal endometriosis requires a detailed case history, especially regarding whether the cyclicity of lumbodorsal pain and hematuria correlates with patients' menstrual cycles. Imaging examinations are commonly helpful for localization, whereas relieving symptoms with drugs to create a hypoestrogenic state is useful for clinical diagnosis. However, a final diagnosis for renal endometriosis still must depend on histopathologic examination.

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Renal endometriosis presenting with a giant subcapsular hematoma: case report

Cited by 16 publications

References 14 publications

Endometriosis in a kidney with focal xanthogranulomatous pyelonephritis and a perinephric abscess

Endometriosis in a kidney with focal xanthogranulomatous pyelonephritis and a perinephric abscess

Abdominopelvic Complications of Endometriosis

Renal Endometriosis Tends to Be Misdiagnosed as Renal Tumor: A Rare Case Report

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