Review of Imaging Findings in Urinary Tract Infections

Patiño, A; Martinez-Salazar, EL; Tran, Jonathan; Sureshkumar, A; Catanzano, Tara

doi:10.1053/j.sult.2019.09.004

Cited by 6 publications

(5 citation statements)

References 13 publications

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“…[ 6 ] Immunosuppression, diabetes mellitus and obstructive uropathy are predisposing risk factors. [ 7 ] However, renal and perirenal abscesses can occur in an otherwise normal urinary tract. [ 8 ] kidney transplant recipients in immunocompromised state are at elevated risk of severe and life threatening conditions.…”

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

“…[9] E coli, Proteus mirabilis and S. Aureus are the most frequently causative organisms. [7] The incidence of polymicrobial abscess has been increasingly frequent, ranging from 19.2% to 33.3%. [3,10] Imaging is not routinely indicated in uncomplicated UTIs and renal infections which are usually diagnosed based on clinical symptoms and laboratory data.…”

Section: Discussionmentioning

confidence: 99%

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Successful eradication of renal allograft abscess by CT-guided percutaneous pigtail drainage: A case report

2023

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Rationale: Renal allograft abscess is an infrequent complication in kidney transplant recipients. The mainstay of treatment is adequate drainage and optimal antibiotic administration. Patient Concerns: A 25-year-old female who presented with dysuria, frequency, chills, fever, and allograft pain was initially diagnosed with a urinary tract infection complicated by septic shock 15 months after kidney transplantation. Ultrasound depicted a hypoechoic mass and contrast-enhanced computed tomography (CT) revealed a lesion with no enhancement in the renal allograft. CT-guided percutaneous pigtail drainage placement was implemented. Diagnoses: Blood-stained pus was aspirated from the lesion in the renal allograft. The aspirate culture revealed Escherichia coli and Proteus mirabilis with an antibiogram consistent to urine culture. The diagnosis of renal allograft abscess originated from urinary tract infection was confirmed. Interventions: The patient underwent CT-guided percutaneous pigtail drainage and conducted culture of the aspirate. Outcomes: The patient’s symptoms immediately abated after drainage and renal allograft function recovered normally. Ultrasound and CT showed total regression of the renal allograft abscess at the 1-month outpatient follow-up. Lessons: Heightened alertness should be attached to that severe urinary tract infections presenting with sepsis shock and antibiotic treatment non responders are likely to progress to renal allograft abscess in kidney transplant recipients. CT-guided percutaneous pigtail drainage was a safe and effective minimally invasive treatment.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Successful eradication of renal allograft abscess by CT-guided percutaneous pigtail drainage: A case report

2023

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“…On CT, a striated nephrogram or areas of patchy hypoenhancement can be seen in pyelonephritis, with a predilection for the upper pole. On ultrasound, renal abscesses appear as complex collections, with posterior through transmission, and lack internal vascularity [ 22 ]. On contrast-enhanced imaging, abscesses may demonstrate rim enhancement.…”

Section: Benign Mimicsmentioning

confidence: 99%

Multimodality imaging of renal lymphoma and its mimics

2022

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Lymphomatous involvement of the genitourinary system, particularly the kidneys, is commonly detected on autopsies; yet on conventional diagnostic imaging renal lymphoma is significantly underestimated and underreported, in part due to its variable imaging appearance and overlapping features with other conditions. We present a spectrum of typical and atypical appearances of renal lymphoma using multimodality imaging, while reviewing the roles of imaging in the detection, diagnosis, staging, and surveillance of patients with lymphoma. We also illustrate a breadth of benign and malignant entities with similar imaging features confounding the diagnosis of renal lymphoma, emphasizing the role of percutaneous image-guided biopsy. Understanding the spectrum of appearances of renal lymphoma and recognizing the overlapping entities will help radiologists improve diagnostic confidence and accuracy.

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“…Multimodality imaging of renal inflammatory lesions, Patino et al [27]. Review of imaging findings in urinary tract infections, Massimo and Sonia [28].…”

Section: Empirical Reviewmentioning

confidence: 99%

Common Findings in Urinary System Ultrasound Scan in Port Harcourt Metropolis

Onyema¹,

Chukwueke²

2022

Radiol Imaging J

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Background of study: Recent studies show persistent upward trend in the incidence and prevalence of urinary system diseases. Urinary system ultrasound is versatile, accessible, useful and inexpensive. It serves as first line imaging modality in assessment of urinary system pathologies. Objective of study: To identify the common findings in urinary system ultrasound scan. Materials and Methods: Records from existing pool of results of patients who had abdominopelvic ultrasound scan at Intercontinental Diagnostic Centre, Port Harcourt, and Rivers State, Nigeria was used for this study. Data from 1,597 ultrasound scan reports for the year 2021 were collected and analyzed using descriptive statistics. Results: Four hundred and twenty-two (422) sonographic findings distributed among 23 pathological entities were revealed. Among the 23 entities, 12 showed significantly higher frequency of occurrence. They are, in order of occurrence, simple renal cyst, hydronephrosis, diffuse hyperechoic kidney, renal calculus, cystitis, enlarged kidney, bladder outlet obstruction, pyelonephritis, small kidney, polycystic kidney, ectopic kidney and renal agenesis. Overall prevalence was 26%. The male to female ratio of prevalence was 1.4:1 and adults to paediatrics ratio was 83.4:1. The renal findings showed patterns of occurrence i.e., predominantly bilateral, unilateral, bilateral or unilateral. Conclusion: There are 12 common findings with the male population showing higher prevalence than the female. In addition, there is a preponderance of hyperechoic parenchyma of the right kidney.

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Review of Imaging Findings in Urinary Tract Infections

Cited by 6 publications

References 13 publications

Successful eradication of renal allograft abscess by CT-guided percutaneous pigtail drainage: A case report

Successful eradication of renal allograft abscess by CT-guided percutaneous pigtail drainage: A case report

Multimodality imaging of renal lymphoma and its mimics

Common Findings in Urinary System Ultrasound Scan in Port Harcourt Metropolis

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