Pyeloduodenal fistula: a review of the current literature.

Purpose: Pyeloduodenal fistula (PDF) is a communication between the renal pelvis and the duodenum. It is often secondary to other diseases. It is a rare condition and therefore infrequently described in the literature.

Zero-Intrarenal Pressure Percutaneous Nephrolithotomy for One-Stage Treatment of Non-Acute Infectious Calculous Pyonephrosis: A Strategy to Avert Sepsis.

To evaluate the efficacy and safety of a novel zero-intrarenal pressure (IRP) percutaneous nephrolithotomy (PCNL) technique for one-stage treatment of non-acute infectious calculous pyonephrosis. This retrospective study analyzed 12 patients (4 males, 8 females; mean age 56.4 years) who underwent zero-IRP PCNL.

Measurement of the distal bile duct density on computed tomography can differentiate choledocholithiasis from a control population.

Purpose: Hounsfield unit density of biliary fluid on CT may be a useful clinical marker that has not been described in the literature. This method has been used to differentiate pyonephrosis from hydronephrosis in obstructed collecting systems of the kidney. We aimed to create a user-friendly technique to measure the density of the distal bile duct using CT.

Identification of Calculous Pyonephrosis by CT-Based Radiomics and Deep Learning.

Urgent detection of calculous pyonephrosis is crucial for surgical planning and preventing severe outcomes. This study aims to evaluate the performance of computed tomography (CT)-based radiomics and a three-dimensional convolutional neural network (3D-CNN) model, integrated with independent clinical factors, to identify patients with calculous pyonephrosis. We recruited 182 patients receiving either percutaneous nephrostomy tube placement or percutaneous nephrolithotomy for calculous hydronephrosis or pyonephrosis.

Three-dimensional printing the navigation template for precise percutaneous renal puncture to treat pyonephrosis on a porcine model and a patient ：a case report.

Objective: Percutaneous nephrolithotomy (PCNL) is the main method for pyonephrosis or lithotripsy in urology. However, it often comes with high risk, as the inaccurate puncture inevitably causes bleeding, intra- and post-operative complications. So, a new inter-disciplinary approach is needed to perform the puncture more accurately.

Machine learning constructs a diagnostic prediction model for calculous pyonephrosis.

In order to provide decision-making support for the auxiliary diagnosis and individualized treatment of calculous pyonephrosis, the study aims to analyze the clinical features of the condition, investigate its risk factors, and develop a prediction model of the condition using machine learning techniques. A retrospective analysis was conducted on the clinical data of 268 patients with calculous renal pelvic effusion who underwent ultrasonography-guided percutaneous renal puncture and drainage in our hospital during January 2018 to December 2022. The patients were included into two groups, one for pyonephrosis and the other for hydronephrosis.

The mean Hounsfield unit range acquired from different slices produces superior predictive accuracy for pyonephrosis in obstructive uropathy.

Purpose: To determine the non-contrast computer tomography imaging features of pyonephrosis and evaluate the predictive value of Hounsfield units (HUs) in different hydronephrotic region slices.

Materials And Methods: We retrospectively reviewed data from patients with hydronephrosis who had renal-ureteral calculi. All patients were categorized into pyonephrosis and simple hydronephrosis groups.

Giant pyonephrosis related to nephrolithiasis in diabetes woman: A case report.

Pyelonephritis is one of the main systemic bacterial infections encountered in emergency departments. We present a case of diabetes woman aged 30 years referred to our urology department of El-Idrissi Hospital, Kenitra (Morocco) for recurrent episodes of urinary tract infection, multiple urolithiasis, chills, unilateral lower back pain, chills and severe hydroureteronephrosis. Abdominal CT showed a non-functioning obstructed kidney with pyelic and ureteral stones.

Construction of an alignment diagram model for predicting calculous obstructive pyonephrosis before PNL.

Background: To develop a model for the accurate prediction of calculous obstructive pyonephrosis prior to percutaneous nephrolithotomy (PNL), leading to early local anaesthesia microchannel nephrostomy for drainage of pyonephrosis.

Methods: By comparing the differences in baseline clinical indicators between the pyonephrosis group and nonpyonephrosis groups, independent risk factors were screened out, and a diagnostic alignment diagram model for predicting calculus obstructive pyonephrosis before PNL was established.

Results: Multivariate regression analysis showed that preoperative blood neutrophil count (Neu), serum creatinine level (Scr), serum albumin level (Alb), urine nitrite (UN), hydronephrosis density (HD) and fever history within one month (HFWOM) were independent risk factors for calculous obstructive pyonephrosis.

Laparoscopic approach for xanthogranulomatous pyelonephritis and pyonephrosis.

Introduction: Xanthogranulomatous pyelonephritis (XGPN) is a rare form of chronic renal inflammation, caused by long-term obstruction of the urinary tract. Pyonephrosis is a severe suppurative complication of acute obstructive pyelonephritis. Although minimally invasive approaches have many advantages, the safe dissection of the kidney may not be always achievable.

Generalized peritonitis secondary to a renal forniceal rupture in an obstructed pelvic kidney - A case report.

Peritoneal fistulization of pyonephrosis is an uncommon condition, leading to a generalized peritonitis, considered as extreme life-threatening emergency. Secondary to an obstructive uropathy, increasing intra-renal pressure. In most cases, ureteral stones represent the underlying causes followed by stenosis, tumor, or connective tissue disease.

Pyonephrosis complicated with spontaneous intraperitoneal rupture and diffuse peritonitis: Case report and literature review.

Pyonephrosis is a serious condition that can lead to kidney dysfunction, loss of the organ, and even fatal end due to its complications. The underlying etiologic factors include lithiasis, recurrent urinary infections, ureter stricture, ureteropelvic junction obstruction, malignancy, and retroperitoneal fibrosis. One of the rare possible complications of pyonephrosis is a retroperitoneal rupture with spontaneous communication to the abdomen causing secondary peritonitis.

and Coinfection Associated with a Critical SARS-CoV-2 Infection: A Case Report.

is a Gram-negative facultative anaerobic bacillus identified from water sources and later from food (onions, cream, unpasteurized milk, and Spanish pork sausages), which, under certain circumstances, can cause infections in humans, especially in immunocompromised patients. Few cases of human infections have been reported in the literature, such as endophthalmitis, urinary tract infection, pyonephrosis, and sepsis. We describe the case of a 69-year-old Caucasian male patient who lives in an urban environment and presents himself to the emergency department with chills, fever, myalgias, marked physical asthenia, dry cough, dyspnea, symptoms for which he is tested and confirmed with SARS-CoV-2 infection using real-time reverse transcriptase-polymerase chain reaction (RT-PCR) from nasal and pharyngeal swabs, after being admitted the same day (25 May 2023) to the Infectious Diseases Clinic from the County Clinical Emergency Hospital Sibiu, Romania.

Giant Pyonephrosis in an Ectopic Kidney: A Case Report.

Pyonephrosis is characterized by infective hydronephrosis accompanied by suppurative destruction of the renal parenchyma, resulting in partial or complete impairment of renal function. Patients present with wide range of symptoms, they can be asymptomatic in 15% but most of them present with septic features like fever, chills, and flank pain. Urinary tract infections, functional and anatomic obstruction, and anatomic anomalies such as pelvic and horseshoe kidneys are common etiologic factors.

Case report: A rare case of synchronous mucinous neoplasms of the renal pelvis and the appendix.

Background: Mucinous neoplasms are tumors arising in the epithelial tissue, characterized by excessive mucin secretion. They mainly emerge in the digestive system and rarely in the urinary system. They also seldom develop in the renal pelvis and the appendix asynchronously or simultaneously.