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

Yang, Jie; Song, Rijin; Chen, Xu; Zhang, Shiqing; Zhang, Wei

doi:10.9738/intsurg-d-13-00190.1

Cited by 18 publications

(16 citation statements)

References 11 publications

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“…The ureters are rarely involved in endometriosis; however, the close anatomical proximity of the distal ureter to the female reproductive organs makes it a plausible target for the development of UTO. In addition to external compression, intrinsic renal involvement is also a consideration in the evaluation of a renal mass in a patient without traditional risk factors for malignancy, as a biopsy that confirms endometriosis may obviate an unnecessary nephrectomy [ 18 ].…”

Section: Discussionmentioning

confidence: 99%

Atypical Causes of Urinary Tract Obstruction

Yap

Salifu

Ahmad

et al. 2019

Case Reports in Nephrology

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Acute kidney injury due to urinary tract obstruction invariably suggests lower urinary tract obstruction or bilateral ureteric obstruction since obstruction of a single kidney while the contralateral kidney is normal and not obstructed would not cause a perceptible rise in creatinine. Assuming a total body volume of 42 L, 70 kg male that generates approximately 1400 mg of creatinine daily (20 mg/kg/day) who has complete urinary tract obstruction would experience a 3.33 mg/dL per day increase in serum creatinine. Thus, for an individual who had prior normal renal function and who presents with a creatinine of 30 mg/dL, one could surmise that the obstructive pathology had lasted at least 10 days. However, the rise in serum creatinine is a poor marker of renal injury and subsequent prognosis. Urinary tract obstruction leading to AKI can be due to a variety of causes, and its management is tailored to the underlying etiology. This case series describes the varied clinical course of four patients at our center who experienced AKI from atypical causes of obstructive uropathy. Current and future diagnostic modalities and caveats in the treatment of this disease entity are also discussed.

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Section: Discussionmentioning

confidence: 99%

Atypical Causes of Urinary Tract Obstruction

Yap

Salifu

Ahmad

et al. 2019

Case Reports in Nephrology

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“…Urinary tract involvement is uncommon and primarily manifests in the bladder, followed by the ureters and kidneys, at a ratio of 40:5:1 (41). Marshall first reported renal endometriosis in 1943 (20), and only 16 pathologically confirmed cases have been reported in the past 30 years (Table 2) (42)(43)(44)(45)(46)(47)(48)(49)(50)(51)(52)(53)(54)(55)(56). The median age was 37 years (range, 23-53 years).…”

Section: Discussionmentioning

confidence: 99%

Renal Endometriosis Mimicking Cystic Renal Tumor: Case Report and Literature Review

2021

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Background: Endometriosis mainly affects female pelvic tissues and organs, and the presence of endometriosis in the kidney is extremely rare.Case Presentation: We report a case of a 48-year-old woman who presented with intermittent hematuria. She was found to have a cystic mass on renal ultrasonography, and contrast-enhanced computed tomography (CT) showed slight enhancement of the cystic wall and septa. These findings were indicative of cystic renal tumor. The patient subsequently underwent partial right nephrectomy. Histopathology revealed endometriosis of the right renal parenchyma. The patient recovered well and had no evidence of a recurrent renal mass at the 3 months' follow up.Conclusion: The possibility of renal endometriosis should be considered in a female patient with a cystic renal mass and clinical symptoms related to the menstrual cycle.

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“…The pathogenesis of endometriosis is still unclear. Several hypotheses have been established to explain the development of endometriosis, including retrograde menstruation and ectopic transplantation, coelomic metaplasia, iatrogenic injury, autoimmunity, embryonic theory and stem cell origin, genetic predisposition, hormones and others [ 3 , 9 , 18 , 19 ]. An increased level of Interleukin-1, Interleukin-2, tumor necrosis factor and prostaglandins have been found in the endometrial lesions [ 3 ].…”

Section: Discussionmentioning

confidence: 99%