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Related Concept Videos

Acute Pyelonephritis II: Diagnostic Studies and Management01:28

Acute Pyelonephritis II: Diagnostic Studies and Management

Introduction:For diagnosing acute pyelonephritis, a comprehensive patient history is collected to identify symptoms such as dysuria, frequent or urgent urination, flank pain, or costovertebral angle (CVA) tenderness that may suggest a kidney infection.Physical ExaminationDuring the physical examination, CVA tenderness is assessed. This involves gentle percussion over the costovertebral angle, where tenderness often indicates a kidney infection.Diagnostic TestsUrinalysis: Used to identify white...
Acute Pyelonephritis I: Introduction01:27

Acute Pyelonephritis I: Introduction

Pyelonephritis is a bacterial infection that primarily affects the renal parenchyma and collecting system, including the renal pelvis, tubules, and interstitial tissue of one or both kidneys. It can be classified as either acute—a sudden, severe infection—or chronic, which refers to long-term or recurrent kidney infections.The primary cause of acute pyelonephritis (APN) is bacterial infection, with Escherichia coli accounting for approximately 70-80% of cases. Other bacteria, such as Proteus,...
Imaging Studies V: Intravenous Urography and Retrograde Pyelography01:22

Imaging Studies V: Intravenous Urography and Retrograde Pyelography

IntroductionIntravenous Urography (IVU) and Retrograde Pyelography (RP) are important diagnostic imaging techniques used to evaluate the urinary system. These methods help identify structural abnormalities, obstructions, and functional issues in the kidneys, ureters, and bladder. Both procedures use iodine-based contrast media to enhance the visibility of urinary tract structures on X-ray images, though they differ in their methods and indications.1. Intravenous Urography (IVU)Intravenous...
Imaging Studies I: Kidney, Ureter, and Bladder Studies01:28

Imaging Studies I: Kidney, Ureter, and Bladder Studies

Kidney, Ureter, and Bladder (KUB) StudiesKidney, Ureter, and Bladder (KUB) studies are standard diagnostic imaging procedures used to assess the anatomy of the urinary system. They are commonly utilized for patients experiencing abdominal pain or urinary symptoms. By using a simple X-ray of the abdomen, KUB studies can reveal structural and pathological abnormalities within the kidneys, ureters, and bladder. These studies are particularly valuable in diagnosing kidney stones, urinary...
Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
X-ray Imaging01:24

X-ray Imaging

German physicist Wilhelm Röntgen (1845–1923) was experimenting with electrical current when he discovered that a mysterious and invisible "ray" would pass through his flesh but leave an outline of his bones on a screen coated with a metal compound. In 1895, Röntgen made the first durable record of the internal parts of a living human: an "X-ray" image (as it came to be called) of his wife’s hand. Scientists worldwide quickly began their own experiments with X-rays, and by 1900, X-ray was widely...

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Intrarenal Injection of Escherichia coli in a Rat Model of Pyelonephritis
06:09

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Published on: July 18, 2017

[Xanthogranulomatous pyelonephritis: main imaging features].

R Loffroy1, O Varbédian, B Guiu

  • 1Département de radiologie et d'imagerie médicale diagnostique et thérapeutique, CHU Le Bocage, 2, boulevard du Maréchal-de-Lattre-de-Tassigny, B.P. 77908, 21079 Dijon cedex, France. romaric.loffroy@chu-dijon.fr

Progres En Urologie : Journal De L'Association Francaise D'Urologie Et De La Societe Francaise D'Urologie
|June 10, 2008
PubMed
Summary
This summary is machine-generated.

Xanthogranulomatous pyelonephritis (XGP) is a rare chronic kidney infection that mimics tumors. Early diagnosis is crucial for effective treatment and management of this challenging condition.

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Area of Science:

  • Nephrology
  • Pathology
  • Radiology

Context:

  • Xanthogranulomatous pyelonephritis (XGP) is an uncommon, severe form of chronic kidney infection.
  • XGP often presents with a pseudotumoral appearance, complicating differential diagnosis with renal malignancies.
  • Lack of specific clinical signs further challenges early identification of XGP.

Purpose:

  • To elucidate the diverse histological, clinical, and radiological features of Xanthogranulomatous pyelonephritis.
  • To review the diagnostic modalities available for identifying XGP.
  • To discuss the various treatment strategies for managing XGP.

Summary:

  • This article details the histological, clinical, and radiological characteristics of Xanthogranulomatous pyelonephritis (XGP).
  • It highlights the diagnostic challenges posed by its pseudotumoral appearance, often mistaken for renal neoplasms.
  • The review covers diagnostic approaches and treatment options for XGP.

Impact:

  • Improved understanding of Xanthogranulomatous pyelonephritis (XGP) aids in differentiating it from renal tumors.
  • Enhanced diagnostic accuracy can lead to timely and appropriate treatment of XGP.
  • This knowledge supports better patient outcomes by addressing the specific nature of XGP rather than empirical cancer treatment.