Renal vasculature: Spectrum of anatomical variations and the significance from a surgeon's standpoint

Astrocyte ◽  
2018 ◽  
Vol 4 (4) ◽  
pp. 233
Author(s):  
Yatish Agarwal ◽  
Swarna ◽  
Shalabh Jain ◽  
AvneetSingh Chawla
Keyword(s):  
Anatomical Variations ◽  
Renal Vasculature

scholarly journals The pattern of peri-hilar and hilar arterial branching in kidney allografts of living donors

2020 ◽  
Vol 10 (3) ◽  
pp. e23-e23
Author(s):  
Sepideh Zununi Vahed ◽  
Yaghoob Asadi ◽  
Farahnoosh Farnood ◽  
Maryam Alimirzaloo ◽  
Seyed Sadroddin Rasi Hashemi ◽  
...  
Keyword(s):  
Kidney Transplantation ◽  
Anatomical Variations ◽  
Allograft Survival ◽  
Renal Vasculature ◽  
Vascular Events ◽  
Precise Knowledge ◽  
Branching Patterns ◽  
Allograft Function ◽  
Ladder Pattern ◽  
Probable Effect

Introduction: Kidney transplantation gives us the opportunity to study kidney vascular anatomical variations and their probable effect on allograft survival. Objectives: The aim of this study was to evaluate the renal arteries’ branching patterns of the engrafted kidneys and their impact on transplant outcomes. Patients and Methods: Three hundred patients who received kidney transplantation between 2014 -2017 were included. Peri-hilar and hilar branching patterns of the engrafted kidney were studied by reviewing the archived CT angiographies of donors and then they categorized based on the existing knowledge in this field. Clinical data were also gathered from medical records and recipients’ latest clinical and laboratory evaluations. Results: Based on peri-hilar and their corresponding hilar branching patterns, our morphology findings were classified into 17 groups. From different peri-hilar branching patterns, the fork pattern was more common which is detected in 95% (242) while the ladder pattern was observed in 5% (13) of kidney grafts. In a later branching sub-categorization, among the fork pattern, 65.2% (158) were duplicated and 34.7% (84) had triplicated hilar branching patterns. There was not a statistically significant correlation between each of those patterns and allograft function (P > 0.05). Conclusion: Peri-hilar and hilar branching patterns of the kidney allografts’ renal artery were different, but they follow certain patterns. Although it may not influence the allograft survival, it provides us precise knowledge about renal vasculature patterns and outcome of probable vascular events meanwhile; it could be useful in the field of transplantation.

scholarly journals A Unique Case of Incomplete Bifid Ureter and Associated Arterial Variations

2021 ◽  
Vol 2021 ◽  
pp. 1-6
Author(s):  
Shivika Ahuja ◽  
Hannah Sullivan ◽  
Mark Noller ◽  
Yun Tan ◽  
Daniel Daly
Keyword(s):  
Renal Artery ◽  
Imaging Techniques ◽  
Left Kidney ◽  
Anatomical Variations ◽  
Left Renal Artery ◽  
Renal Vasculature ◽  
Duplex Kidney ◽  
Ovarian Artery ◽  
Psoas Major Muscle ◽  
Bifid Ureter

Introduction. Urogenital and vascular anomalies, including a left duplex kidney and a left aberrant renal artery that gave rise to the left ovarian artery, were observed in a 77-year-old female cadaver during a routine dissection. Description. A left aberrant renal artery, which gave rise to the left ovarian artery, was observed originating from the aorta 4 cm below the left renal artery. Two independent contributions to a bifid ureter were found originating from the hilum of the left kidney. These two contributions descended 12.4 cm and 10.6 cm, respectively, posterior to the left aberrant renal artery and lateral to the left ovarian artery before uniting anterior to the psoas major muscle to descend 12.7 cm to the bladder. Significance. While the duplex kidney is a relatively common congenital anomaly that can be asymptomatic, it can also potentially be associated with compression of renal vasculature or the ureter. Ureteral compression can then result in several pathologies including reflux, urinary tract infection (UTI), ureteropelvic junction obstruction, or hydronephrosis. Compression of renal and ovarian vasculature can result in altered blood flow to the kidney and ovary, potentially causing fibrosis, atrophy, or organ failure. Current imaging techniques alone are insufficient for correct diagnostics of such complications, and they must be supplemented with a thorough understanding of the respective anatomical variations.

scholarly journals Bilateral variations in the origin of testicular artery from renal artery - case report of a rare variant

2014 ◽  
Vol 03 (01) ◽  
pp. 32-36
Author(s):  
P. Savithri
Keyword(s):  
Case Report ◽  
Anatomical Variations ◽  
Renal Arteries ◽  
Urogenital System ◽  
Embryological Development ◽  
Testicular Artery ◽  
Renal Vasculature ◽  
Multiple Renal Arteries ◽  
Male Cadaver ◽  
Arterial Anatomy

AbstractBilateral variations in the origin of testicular arteries from renal arteries along with multiple renal arteries were observed in an embalmed middle aged male cadaver during routine dissection for the under graduates. Since the urogenital system has a complicated embryological development, the congenital anomalies and variations in these structures are common. Testicular arterial anatomy is important for testicular and renal surgeries. Anatomical variations of testicular arteries have been reported as 4.7%. Presence of aberrant renal arteries have been seen in 13-16% of cases only. Knowledge of variations in the renal vasculature is of importance not only for the surgeons but also for the radiologist, especially in the interventional and radiological investigations of abdominal region.

Carotid endarterectomy in patients with foetal-type posterior circle of Willis: Is there an indication for local anaesthesia?

VASA ◽  
2011 ◽  
Vol 40 (5) ◽  
pp. 404-407
Author(s):  
Maras ◽  
Tzormpatzoglou ◽  
Papas ◽  
Papanas ◽  
Kotsikoris ◽  
...  
Keyword(s):  
Carotid Endarterectomy ◽  
Local Anaesthesia ◽  
Anatomical Variation ◽  
Anatomical Variations ◽  
Circle Of Willis ◽  
Variable Degree ◽  
Operative Complications ◽  
The Right ◽  
Ica Stenosis ◽  
Symptomatic Stenosis

Foetal-type posterior circle of Willis is a common anatomical variation with a variable degree of vessel asymmetry. In patients with this abnormality, carotid endarterectomy (CEA) may create cerebral hypo-perfusion intraoperatively, and this may be underestimated under general anaesthesia. There is currently no evidence that anatomical variations in the circle of Willis represent an independent risk factor for stroke. Moreover, there is a paucity of data on treating patients with such anatomical variations and co-existing ICA stenosis. We present a case of CEA under local anaesthesia (LA) in a 52-year-old female patient with symptomatic stenosis of the right ICA and coexistent foetal-type posterior circle of Willis. There were no post-operative complications and she was discharged free from symptoms. She was seen again 3 months later and was free from complications. This case higlights that LA should be strongly considered to enable better intra-operative neurological monitoring in the event of foetal-type posterior circle of Willis.

A Study of Anatomical Variations of Osteomeatal Complex in Correlation with Computed Tomography

2011 ◽  
Vol 4 (1) ◽  
pp. 428-429
Author(s):  
Dr.M.Sasirekha Dr.M.Sasirekha ◽  
◽  
Dr.A.Ashokkumar Dr.A.Ashokkumar
Keyword(s):  
Computed Tomography ◽  
Anatomical Variations ◽  
Osteomeatal Complex

Anatomical Variations of the Left Subclavian Artery and Their Significance in Clinical Practice

2020 ◽  
Vol 30 (1) ◽  
pp. 3-12
Author(s):  
Anna Botou ◽  
Eleni Panagouli ◽  
Maria Piagkou ◽  
Paschalis Strantzias ◽  
Stavros Angelis ◽  
...  
Keyword(s):  
Clinical Practice ◽  
Subclavian Artery ◽  
Left Subclavian Artery ◽  
Anatomical Variations

Imaging study of the anatomical variations and the maxillary sinus pathology in patients with missing lateral teeth for the application of dental implants

ORL ro ◽  
2016 ◽  
Vol 1 (1) ◽  
pp. 6-12
Author(s):  
Iulian Damian ◽  
Gheorghe-Ionel Comșa
Keyword(s):  
Computed Tomography ◽  
Maxillary Sinus ◽  
Dental Implants ◽  
Preoperative Evaluation ◽  
Anatomical Variations ◽  
Accurate Information ◽  
Maxillary Artery ◽  
Lateral Sinus ◽  
Sinus Wall ◽  
Increased Risk

Preoperative evaluation of maxillary sinus anatomy is very important to avoid surgical complications due to close anatomical relations between the sinus and the posterior maxillary teeth and/or edentulous alveolar ridge. Posterior superior alveolar artery is a branch of the maxillary artery and provides the vascularization of the lateral sinus wall and underlying mucosa. Maxillary artery branches should be taken into consideration during sinus lifting procedures and bone augmentation due to increased risk of bleeding by damaging the artery during the osteotomy. Computed tomography (CT) explores three-dimensional anatomic structures and provides complex and accurate information about them. Cone Beam Computed Tomography (CBCT) offers an accurate view of the teeth and surrounding structures at high resolution, despite low-dose radiation used. In this study, the incidence of anatomical variations and sinus pathology were assessed using CBCT. The aim is to evaluate the presence of sinus pathology (sinus mucosal thickening, oro-antral communications, sinus tumors, cysts, polyps), presence and position of the posterior superior alveolar artery. These issues are important because they are about the limits of the dental implants in the posterior maxillary area. The presence of sinus pathology and anatomical variations may predispose to complications and even failures of implantation therapy.  

Major Anatomical Variations in Reference to Lateral Transpsoas Approaches to the Spine

2018 ◽  
Vol 2 (1) ◽  
pp. 22-26
Author(s):  
Joe Iwanaga ◽  
Emre Yilmaz ◽  
Yoko Tabira ◽  
Emily Simonds ◽  
Tamir Tawfik ◽  
...  
Keyword(s):  
Anatomical Variations
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