877 results match your criteria Horseshoe Kidney Imaging

Robotic nephroureterectomy in a horseshoe kidney for upper tract urothelial carcinoma.

BMJ Case Rep 2021 Jun 9;14(6). Epub 2021 Jun 9.

Urology, East Kent Hospitals University NHS Foundation Trust, Canterbury, UK.

Upper tract urothelial carcinoma represents a small proportion (5%-10%) of all urothelial cancers. Although there are several management options, in undifferentiated or high-risk cases, surgery in the form of nephroureterectomy is the gold standard. Horseshoe kidney is the most common congenital renal fusion anomaly affecting 1 in 400-600 patients. Read More

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TARP syndrome associated with renal malformation and optic nerve atrophy.

BMJ Case Rep 2021 May 24;14(5). Epub 2021 May 24.

Department of Pediatrics at Fundación Santa Fé de Bogotá, Hospital Universitario de la Fundacion Santa Fe de Bogota, Bogota, Colombia.

Talipes equinovarus, atrial septal defect, Robin sequence and persistent left superior vena cava (TARP) syndrome is a congenital disease caused by mutations in the RBBM10 gene. It has a low prevalence and a high rate of mortality in the neonatal stage. In this case report, we present a case of a 32-week gestational age preterm newborn with a prenatal diagnosis of intrauterine growth restriction, with a persistent left superior vena cava, interatrial communication and a horseshoe kidney. Read More

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Open transperitoneal partial nephrectomy in a horseshoe kidney.

BMJ Case Rep 2021 May 14;14(5). Epub 2021 May 14.

Geisinger Northeast Urology Department, Wilkes-Barre, Pennsylvania, USA.

We report the case of a 50-year-old Tibetan man who presented to an outpatient urology clinic after abdominal ultrasound for poorly defined abdominal pain demonstrated horseshoe kidney (HK) with a right moiety ~3.7 cm mass further characterised using contrast-enhanced CT scan (CECT). This dedicated imaging confirmed HK with a heterogeneously enhancing right upper pole 3. Read More

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Surgical management of horseshoe kidney tumors. Literature review and analysis of two cases.

Actas Urol Esp (Engl Ed) 2021 May 3. Epub 2021 May 3.

Servicio de Urología, Hospital General Universitario Gregorio Marañón, Madrid, España.

Introduction: The horseshoe kidney is a rare congenital anomaly in the general population that combines renal ectopia, malrotation and abnormal vascular supply. The most frequently developed tumor in this case is renal cell carcinoma (50%). One of its main characteristics is great anatomical variation, especially in terms of vascular structures. Read More

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Homogeneous tumor targeting with a single dose of HER2-targeted albumin-binding domain-fused nanobody-drug conjugates results in long-lasting tumor remission in mice.

Theranostics 2021 13;11(11):5525-5538. Epub 2021 Mar 13.

Cell Biology, Neurobiology and Biophysics, Department of Biology, Faculty of Science, Utrecht University, Utrecht, The Netherlands.

The non-homogenous distribution of antibody-drug conjugates (ADCs) within solid tumors is a major limiting factor for their wide clinical application. Nanobodies have been shown to rapidly penetrate into xenografts, achieving more homogeneous tumor targeting. However, their rapid renal clearance can hamper their application as nanobody drug conjugates (NDCs). Read More

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Three-dimensional Reconstruction of Renal Vascular Tumor Anatomy to facilitate accurate preoperative planning of partial nephrectomy.

Biomedicine (Taipei) 2020 1;10(4):36-41. Epub 2020 Dec 1.

College of Medicine, China Medical University, Taichung, 40402, Taiwan.

Objectives: To evaluate the role of three-dimensional (3D) reconstruction tumors and vessels of the kidneys in aiding the preoperative planning of partial nephrectomy.

Materials And Methods: Patients with renal tumors to be treated with partial nephrectomy were included. Each patient underwent a preoperative computed tomography (CT) survey, and the reconstruction of each patient's 3D arteriography and 3D surface-rendered tumor was performed based on the CT images for preoperative surgical planning. Read More

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December 2020

Crossed unfused renal ectopia with pelviureteric junction obstruction associated with nephrolithiasis: a rare troublesome triad managed by robotic surgery.

BMJ Case Rep 2021 Apr 8;14(4). Epub 2021 Apr 8.

Radiodiagnosis, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India

We report a rare case of non-fused renal ectopia with pelviureteric junction obstruction and multiple pelvic and renal calculi thereby discussing vascular anatomy of the non-fused ectopic kidney along with robot assisted surgical management of this rare clinical entity which amounts for good preoperative workup for best surgical and clinical outcome. Read More

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Bilateral pelvic kidneys with upper pole fusion and malrotation: a  case report and  review of the literature.

J Med Case Rep 2021 Apr 5;15(1):181. Epub 2021 Apr 5.

Department of Radiology, Wad-Medani Teaching Hospital, Wad Madani, Sudan.

Background: The incidence of ectopic kidneys is 1:12,000 clinically and 1:900 postmortem. Patients with pelvic mal-rotated kidneys are more susceptible to recurrent urinary tract infections, recurrent renal stones, and renal injury. Fusion of the kidney lower poles is relatively common compared to other types of renal anomalies. Read More

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Unveiling the confusion in renal fusion anomalies: role of imaging.

Abdom Radiol (NY) 2021 Apr 3. Epub 2021 Apr 3.

Department of Radiology, All India Institute of Medical Sciences, Ansari Nagar, New Delhi, 110029, India.

Renal fusion anomalies are common congenital anomalies of the urogenital tract and have their genesis in the early embryonic period. They are classified into partial fusion anomalies (e.g. Read More

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3D imaging technologies in minimally-invasive kidney and prostate cancer surgery: which is the urologists' perception?

Minerva Urol Nephrol 2021 Mar 26. Epub 2021 Mar 26.

Division of Urology, Departmet of Oncology, School of Medicine, University of Turin, San Luigi Hospital, Orbassano, Turin, Italy.

Background: Many specific 3D imaging technologies are currently available for the practising urologists. Aim of the study was to assess their perception about different 3D imaging tools in the field of prostate and kidney cancer surgery.

Methods: All the attendees of the 8th Techno-Urology-Meeting were asked to fill a questionnaire regarding the role of 3D virtual reconstruction PDFs, 3D printing models, Augmented-Reality (AR) and mixed reality technology in the setting of surgical planning, patient counselling, intraoperative guidance and training for kidney and prostate cancer surgery; Moreover the different materials used for 3D printing were compared to assess the most suitable in reproducing the organ and tumor features, as well as their estimated cost and production time. Read More

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Unilateral T-shaped incomplete duplex nephrectomy in an adolescent under laparoscopy: A case report.

Medicine (Baltimore) 2021 Mar;100(12):e25187

Department of Urology, Cancer Hospital of Guangxi Medical University & Guangxi Cancer Research Institute, Nanning.

Introduction: Duplicate kidneys are the most common congenital abnormality of the urinary system. The location of duplicate kidneys varies. We report a case of an adolescent with upper and lower kidneys that are arranged vertically and approximately T-shaped. Read More

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Renal metastases from esophageal cancer and retroperitoneal lymphoma detected via chromosome duplications identified by fluorescence in situ hybridization in urine exfoliated cells: First 2 case reports.

Medicine (Baltimore) 2021 Mar;100(10):e24010

Department of Urology, Tongji Hospital Affiliated Tongji Medical College of Huazhong University of Science and Technology (HUST), 1095 Jiefang Avenue, Wuhan, China.

Rationale: Renal-occupying lesions positive for urine fluorescence in situ hybridization (FISH) are usually considered urothelial carcinomas. Here, we describe 2 cases of renal metastases with chromosome duplications in urine exfoliated cells.

Patient Symptoms: Patient 1, a 56-year-old male with a history of esophageal cancer, was admitted to our hospital on May 2017 after presenting with right back pain with microscopic hematuria for 1 month. Read More

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Congenital Anomalies of the Upper Urinary Tract: A Comprehensive Review.

Radiographics 2021 Mar-Apr;41(2):462-486. Epub 2021 Jan 29.

From the Department of Radiology, Diagnósticos da América SA (DASA), Av Juruá 434, Alphaville Industrial, Barueri, SP 06455-010, Brazil.

The upper urinary tract is the most common human system affected by congenital anomalies. Congenital anomalies of the kidneys and ureters comprise a wide spectrum of disorders ranging from simple variants with no clinical significance to complex anomalies that may lead to severe complications and end-stage renal disease. They may be classified as anomalies of renal form, which are subclassified as structural anomalies (eg, persistent fetal lobulation, hypertrophied column of Bertin, and dromedary hump) and fusion anomalies (eg, horseshoe kidney and pancake kidney); anomalies of renal position (eg, renal malrotation, simple renal ectopia, and crossed renal ectopia) and renal number (eg, renal agenesis and supernumerary kidney); and abnormalities in development of the urinary collecting system (eg, pyelocaliceal diverticulum, megacalycosis, ureteropelvic junction obstruction, duplex collecting system, megaureter, ectopic ureter, and ureterocele). Read More

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January 2021

Fenestrated endovascular abdominal aortic aneurysm repair with concomitant horseshoe kidney.

BMJ Case Rep 2021 Jan 25;14(1). Epub 2021 Jan 25.

Department of Vascular Surgery, Toronto General Hospital, Toronto, Ontario, Canada

Horseshoe kidney, representing abnormal fusion of the inferior renal poles, is a rare anatomic anomaly posing challenges in the setting of surgical abdominal aortic aneurysm repair. Historically, open repair has been the favoured surgical approach. However, due to the location of the renal isthmus and wide-ranging variation in anomalous renal vasculature, endovascular aneurysm repair (EVAR) has emerged as a popular, less invasive alternative. Read More

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January 2021

[F]-sodium fluoride autoradiography imaging of nephrocalcinosis in donor kidneys and explanted kidney allografts.

Sci Rep 2021 Jan 19;11(1):1841. Epub 2021 Jan 19.

Department of Surgery, Division of Transplant Surgery, University Medical Center Groningen, University of Groningen, P.O. Box 30 001, 9700 RB, Groningen, The Netherlands.

Nephrocalcinosis is present in up to 43% of kidney allograft biopsies at one-year after transplantation and is associated with inferior graft function and poor graft survival. We studied [F]-sodium fluoride ([F]-NaF) imaging of microcalcifications in donor kidneys (n = 7) and explanted kidney allografts (n = 13). Three µm paraffin-embedded serial sections were used for histological evaluation of calcification (Alizarin Red; Von Kossa staining) and ex-vivo [F]-NaF autoradiography. Read More

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January 2021

Laparoscopic abdominal perineal rectal resection for rectal cancer with a horseshoe kidney using preoperative 3D-CT angiography: a case report.

BMC Surg 2021 Jan 6;21(1):15. Epub 2021 Jan 6.

Department of Surgery, Suwa Red Cross Hospital, 5-11-11-50, Kogan-dori, Suwa, Nagano, 392-8510, Japan.

Background: A horseshoe kidney is a congenital malformation involving the fusion of the bilateral kidneys and is often accompanied by anomalies of the ureteropelvic and vascular systems. When performing resection of colorectal cancer in a patient with horseshoe kidney, damage to the ureter or excessive renal arteries should be avoided. To achieve this purpose, comprehensive preoperative anatomical assessments and surgical planning are important. Read More

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January 2021

Utility of Magnetic Resonance Imaging in Diagnosis of Prenatal Non-Visualization of the Fetal Gallbladder: A Case-Series Study.

Med Sci Monit 2021 Jan 5;27:e927474. Epub 2021 Jan 5.

Department of Obstetrics, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China (mainland).

BACKGROUND This study aimed to assess the utility of magnetic resonance imaging (MRI) in the diagnosis of prenatal non-visualization of the fetal gallbladder (PNVGB). MATERIAL AND METHODS The clinical data of 32 pregnant women with PNVGB who underwent MRI examination during the second and third trimester of pregnancy were collected and their outcomes were analyzed. RESULTS MRI showed that 26 patients (81. Read More

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January 2021

Open repair of abdominal aortic aneurysms in patients with horseshoe kidney

Orv Hetil 2020 11 15;161(46):1966-1971. Epub 2020 Nov 15.

2 Városmajori Szív- és Érgyógyászati Klinika, Érsebészeti és Endovaszkuláris Tanszék, Semmelweis Egyetem, Budapest, Városmajor u. 68., 1122.

Összefoglaló. A patkóvese a vese leggyakrabban előforduló fejlődési rendellenességeinek egyike. Hasi aortaaneurysmával való együttes előfordulása kifejezetten ritka (a hasi aortaaneurysmás esetek 0,12%-a). Read More

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November 2020

A rare congenital fusion anomaly of the urinary tract: Pancake kidney.

Turk J Urol 2019 Dec 19;45(Supp. 1):S185-S187. Epub 2018 Dec 19.

Department of Pediatric Urology, Konya Dr. Ali Kemal Belviranlı Women's Maternity and Children's Hospital, Konya, Turkey.

Pancake kidney is a rare subtype of cross fused renal ectopia. Fusion of both upper and lower poles of the kidney in pelvis results in a disc or cake shaped kidney appearence. In this report, we are presenting two cases (a 3-month-old male and a 3-year-old girl) with different presentations and their follow-up results. Read More

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December 2019

Embolization of an angiomyolipoma in a crossed fused renal ectopia.

Urol Case Rep 2020 Nov 10;33:101297. Epub 2020 Jun 10.

Department of Surgery, Division of Urology, King Abdullah Medical City, Makkah, Saudi Arabia.

Crossed fused ectopic kidney represents a rare congenital malformation, and development of an angiomyolipoma (AML) in a crossed fused ectopia is even rarer. There is no clear association between both entities. However, approximately half of crossed fused renal ectopic patients may develop infections, obstruction and/or nephrolithiasis. Read More

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November 2020

Mayer-Rokitansky-Küster-Hauser syndrome with rare findings of inferior crossed-fused renal ectopia and Gartner's duct cyst: a video case report.

Fertil Steril 2021 Feb 14;115(2):525-527. Epub 2020 Oct 14.

Department of Urology, Huashan Hospital, Fudan University, Shanghai, People's Republic of China.

Objective: To describe the treatments of a patient using the laparoscopic Davydov's method for Mayer-Rokitansky-Küster-Hauser (MRKH) syndrome and ureteral reimplantation for hydronephrosis and hydroureter.

Design: Surgical video article. A consent form from the patient was obtained as appropriate; the nature of the study did not necessitate ethics committee approval. Read More

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February 2021

Fenestrated Endovascular Aortic Aneurysm Repair for Type 2 Horseshoe Kidney Preservation.

Eur J Vasc Endovasc Surg 2021 02 10;61(2):295. Epub 2020 Oct 10.

University of Miami, Miami, FL, USA. Electronic address:

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February 2021

Heterozygous truncating variants in SUFU cause congenital ocular motor apraxia.

Genet Med 2021 02 7;23(2):341-351. Epub 2020 Oct 7.

Interdisciplinary Pediatric Center for Children with Developmental Disabilities and Severe Chronic Disorders, Department of Pediatrics and Adolescent Medicine, University Medical Center, Göttingen, Germany.

Purpose: This study aimed to delineate the genetic basis of congenital ocular motor apraxia (COMA) in patients not otherwise classifiable.

Methods: We compiled clinical and neuroimaging data of individuals from six unrelated families with distinct clinical features of COMA who do not share common diagnostic characteristics of Joubert syndrome or other known genetic conditions associated with COMA. We used exome sequencing to identify pathogenic variants and functional studies in patient-derived fibroblasts. Read More

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February 2021

Crossed fused renal ectopia: Diagnosis and prognosis as a single-center experience.

J Pediatr Surg 2020 Sep 8. Epub 2020 Sep 8.

Pediatric Urology Division, Prince Sultan Military Medical City, Riyadh, Saudi Arabia.

Background: Crossed fused renal ectopia (CFRE) is a rare congenital malformation. Renal bladder ultrasound (RBUS) is a good tool for establishing the diagnosis, however, additional imaging with a voiding cystourethrogram (VCUG) and dimercaptosuccinic acid scan (DMSA) might be required. We assessed the need for postnatal evaluation and the long-term consequences in patients with this diagnosis. Read More

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September 2020

Super-Resolution Live Cell Microscopy of Membrane-Proximal Fluorophores.

Int J Mol Sci 2020 Sep 26;21(19). Epub 2020 Sep 26.

Institute of Applied Research, Aalen University, 373430 Aalen, Germany.

Here, we present a simple and robust experimental setup for the super-resolution live cell microscopy of membrane-proximal fluorophores, which is comparably easy to perform and to implement. The method is based on Structured Illumination Microscopy (SIM) with a switchable spatial light modulator (SLM) and exchangeable objective lenses for epi-illumination and total internal reflection fluorescence (TIRF) microscopy. While, in the case of SIM (upon epi-illumination), cell layers of about 1-2 µm in close proximity to the plasma membrane can be selected by software, layers in the 100 nm range are assessed experimentally by TIRF-SIM. Read More

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September 2020

Surgical Management and Outcomes of Renal Tumors Arising from Horseshoe Kidneys: Results from an International Multicenter Collaboration.

Eur Urol 2021 01 16;79(1):133-140. Epub 2020 Sep 16.

Department of Urology, University Hospitals Leuven, Leuven, Belgium. Electronic address:

Background: Despite being the most frequent renal fusion anomaly, tumors arising from horseshoe kidneys (HSKs) are extremely rare and management guidance is lacking.

Objective: To evaluate the perioperative, oncological, and functional outcomes of surgically treated HSK tumors.

Design, Setting, And Participants: A retrospective, multicenter cohort study of 43 HSK tumors in 40 patients was conducted, and technical description of the surgical approach has been provided. Read More

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January 2021

Crossed renal ectopia with fusion in a pelvic inlet area, atypical portal vein and coccygeal deformation in a young female cat.

BMC Vet Res 2020 Aug 27;16(1):314. Epub 2020 Aug 27.

Department of Preclinical Sciences and Infectious Diseases, Faculty of Veterinary Medicine and Animal Sciences, Poznan University of Life Sciences, Wolynska, 35, Poznań, Poland.

Background: The case report describes a rare congenital anomaly, crossed fused renal ectopia (CFRE), with coexistence of two other abnormalities - atypical portal vein and coccygeal vertebrae malformation in a domestic cat. The concomitance of those 3 congenital defects has not been described previously.

Case Presentation: An 8-month-old female, domestic cat suffering from chronic diarrhea was referred to the diagnostic imaging unit. Read More

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Fusion of multiple segmentations of medical images using OVASSION and Deep Learning methods: Application to CT-Scans for tumoral kidney.

Comput Biol Med 2020 09 8;124:103928. Epub 2020 Aug 8.

FEMTO-ST Institute, DISC, CNRS, Univ. Bourgogne-Franche-Comté, 16 route de Gray, 25030, Besançon, France. Electronic address:

Nephroblastoma is the most common kidney tumour in children. Its diagnosis is based on imagery. In the SAIAD project, we have designed a platform for optimizing the segmentation of deformed kidney and tumour with a small dataset, using Artificial Intelligence methods. Read More

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September 2020

Incidentally detected pancake kidney: a case report.

J Med Case Rep 2020 Aug 14;14(1):129. Epub 2020 Aug 14.

Department of General surgery, BSMCH, Bankura, West Bengal, PIN-722102, India.

Background: Congenital anomalies of the urinary system are very common and have extremely varied presentation. Among them, the most rarely found structural anomaly is the pancake kidney. When both kidneys are fused along their medial surfaces to form a round-shaped single renal mass, it is termed as pancake kidney. Read More

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