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Kidney ultrasonography

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https://www.readbyqxmd.com/read/27901178/hypoparathyroidism-and-pseudohypoparathyroidism-etiology-laboratory-features-and-complications
#1
Maicon Piana Lopes, Breno S Kliemann, Ileana Borsato Bini, Rodrigo Kulchetscki, Victor Borsani, Larissa Savi, Victoria Z C Borba, Carolina A Moreira
Objectives: To identify a clinical profile and laboratory findings of a cohort of hypoparathyroidism patients and determine the prevalence and predictors for renal abnormalities. Materials and methods: Data from medical records of five different visits were obtained, focusing on therapeutic doses of calcium and vitamin D, on laboratory tests and renal ultrasonography (USG). Results: Fifty-five patients were identified, 42 females and 13 males; mean age of 44...
November 24, 2016: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27900216/predictors-of-renal-recovery-in-renal-failure-secondary-to-bilateral-obstructive-urolithiasis
#2
Muthukrishna P Rajadoss, Chandrasingh Jeyachandra Berry, Grace J Rebekah, Vinu Moses, Shyamkumar N Keshava, Kuruthukulangara S Jacob, Santosh Kumar, Nitin Kekre, Antony Devasia
OBJECTIVES: To identify factors predicting renal recovery in patients presenting with renal failure secondary to bilateral obstructing urolithiasis. PATIENTS AND METHODS: Data from electronic records of consecutive adult patients presenting with bilateral obstructing urolithiasis between January 2007 and April 2011 were retrieved. Ultrasonography of the abdomen, and kidney, ureter, bladder (KUB study) X-ray or abdominal non-contrast computed tomography confirmed the diagnosis...
December 2016: Arab Journal of Urology
https://www.readbyqxmd.com/read/27887768/evaluation-of-acute-kidney-injury-using-contrast-ultrasonography-in-a-rabbit-model-of-crush-syndrome
#3
Chundong Zhang, Xin Wang, Jie Tang
This study aimed to investigate the feasibility of evaluating acute kidney injury (AKI) using contrast ultrasonography in a rabbit model of crush syndrome. Sixty-four New Zealand white rabbits were anesthetized and the left hind limb was wrapped and compressed for 4 h with a sphygmomanometer. Contrast ultrasonography of the left kidney using microbubbles as the contrast medium was performed. The serum levels of blood urea nitrogen (BUN), creatine (Cr), creatine kinase (CK) and lactate dehydrogenase (LDH) were significantly increased in comparison to before the compression...
November 22, 2016: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/27864568/value-of-dynamic-mri-using-the-ktrans-technique-for-assessment-of-native-kidneys-in-pre-emptive-renal-transplantation
#4
Recep Sade, Mecit Kantarci, Leyla Karaca, Aylin Okur, Hayri Ogul, Mustafa Keles, Erdem Çankaya, Arif Kursad Ayan
BACKGROUND: Different non-invasive imaging techniques such as Doppler ultrasonography and renal scintigraphy are commonly employed to assess allograft function and associated complications. However, all such methods lack sufficient specificity to discriminate between residual renal function of native kidneys. Dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) evaluates signal dynamics during the passage of contrast material through the renal cortex, medulla, and collecting system...
November 18, 2016: Acta Radiologica
https://www.readbyqxmd.com/read/27862806/a-prospective-and-randomised-trial-comparing-fluoroscopic-total-ultrasonographic-and-combined-guidance-for-renal-access-in-mini-percutaneous-nephrolithotomy
#5
Wei Zhu, Jiasheng Li, Jian Yuan, Yongda Liu, Shaw P Wan, Guanzhao Liu, Wenzhong Chen, Wenqi Wu, Jintai Luo, Dongliang Zhong, Defeng Qi, Ming Lei, Wen Zhong, Ze Zhang, Zhaohui He, Zhijian Zhao, Suilin Lu, Yuji Wu, Guohua Zeng
OBJECTIVE: To compare the safety and efficacy of fluoroscopic guidance (FG), total ultrasonographic guidance (USG), and combined ultrasonographic and fluoroscopic guidance (CG) for percutaneous renal access in mini-percutaneous nephrolithotomy (mini-PCNL). PATIENTS AND METHODS: The present study was conducted between July 2014 and May 2015 as a prospective randomised trial at the First Affiliated Hospital of Guangzhou Medical University. In all, 450 consecutive patients with renal stones of >2 cm were randomised to undergo FG, USG, or CG mini-PCNL (150 patients for each group)...
November 8, 2016: BJU International
https://www.readbyqxmd.com/read/27861333/isolated-neurosarcoidosis-mimicking-multifocal-meningiomas-a-diagnosis-pitfall-a-case-report
#6
Kun Wang, Xiaoying He, Wei Wang, Huanjiang Niu, Yirong Wang, Xiujun Cai, Shuxu Yang
INTRODUCTION: Neurosarcoidosis accounts for approximately 5% of the sarcoidosis, which develops exclusively in the nervous system and is always difficult to diagnose. We describe a rare case of isolated neurosarcoidosis mimicking as multifocal meningiomas. A 27-year-old male was admitted to our hospital with a history of unconsciousness and convulsion 1 month ago, which was suspected as a seizure. The results showed no abnormalities in complete blood count; serum electrolytes; erythrocyte sedimentation rate and ultrasonography of the liver, pancreas, spleen, kidney and parotid gland, and so on...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27855691/semiautomatic-segmentation-of-the-kidney-in-magnetic-resonance-images-using-unimodal-thresholding
#7
Martin Sandmair, Matthias Hammon, Hannes Seuss, Ragnar Theis, Michael Uder, Rolf Janka
BACKGROUND: Total kidney volume (TKV) is an important marker for the presence or progression of chronic kidney disease, however, routine ultrasonography underestimates renal volume to a high and varying degree. OBJECTIVE: The aim of this work was to adapt and evaluate a semi-automatic unimodal thresholding method for volumetric analysis of the kidney in native T2-weighted magnetic resonance (MR) images. METHODS: In a group of healthy volunteers (n = 24; 48 kidneys), we defined a region of interest (ROI) by manually tracing the outline of the kidney in every MR image...
November 17, 2016: BMC Research Notes
https://www.readbyqxmd.com/read/27843659/rare-case-of-leiomyoma-and-adenomyosis-in-mayer-rokitansky-kuster-hauser-syndrome
#8
P S Hoo, A R Norhaslinda, J N Shah Reza
We report a case of adenomyosis which developed from a hypoplastic uterus and leiomyoma in a patient with MRKH syndrome. A 45-year-old Malay female with primary amenorrhoea and primary infertility presented with abdominal mass and abdominal pain. She is phenotypically female, has well developed secondary sexual characteristics, and has normal female external genitalia with shallow vagina dimple. Transabdominal ultrasonography showed a homogenous adnexal mass of 10 × 8 cm, uterus sized 5 × 4 cm, and normal kidneys...
2016: Case Reports in Obstetrics and Gynecology
https://www.readbyqxmd.com/read/27843211/transplant-renal-artery-stenosis-the-impact-of-endovascular-management-and-their-outcomes
#9
Avinash Bapusaheb Patil, D Ramesh, Sanjay C Desai, Prasad Mylarappa, Sri Harsha Guttikonda, Sandeep Puvvada
INTRODUCTION: Transplant renal artery stenosis (TRAS) is a well-known vascular complication of renal transplantation. The aim of this analysis was to assess the short and midterm outcomes of endovascular therapy to salvage transplant kidney. METHODS: We retrospectively analyzed our transplant database from 2000 to 2015. Percutaneous transluminal angioplasty/stenting was done in 24 patients (22 men and two women) with significant TRAS. The mean age was 59 ± 12 years...
October 2016: Indian Journal of Urology: IJU: Journal of the Urological Society of India
https://www.readbyqxmd.com/read/27835667/technical-evaluation-identification-of-pathogenic-mutations-in-pkd1-and-pkd2-in-patients-with-autosomal-dominant-polycystic-kidney-disease-by-next-generation-sequencing-and-use-of-a-comprehensive-new-classification-system
#10
Moritoshi Kinoshita, Eiji Higashihara, Haruna Kawano, Ryo Higashiyama, Daisuke Koga, Takafumi Fukui, Nobuhisa Gondo, Takehiko Oka, Kozo Kawahara, Krisztina Rigo, Tim Hague, Kiyonori Katsuragi, Kimiyoshi Sudo, Masahiko Takeshi, Shigeo Horie, Kikuo Nutahara
Genetic testing of PKD1 and PKD2 is expected to play an increasingly important role in determining allelic influences in autosomal dominant polycystic kidney disease (ADPKD) in the near future. However, to date, genetic testing is not commonly employed because it is expensive, complicated because of genetic heterogeneity, and does not easily identify pathogenic variants. In this study, we developed a genetic testing system based on next-generation sequencing (NGS), long-range polymerase chain reaction, and a new software package...
2016: PloS One
https://www.readbyqxmd.com/read/27826053/renal-dysfunction-in-symptomatic-primary-hyperparathyroidism-effect-of-parathyroidectomy
#11
C Gopalakrishnan Nair, Misha Babu, Pradeep Jacob, Riju Menon, Jimmy Mathew, Unnikrishnan
INTRODUCTION: Renal dysfunction associated with primary hyperparathyroidism was studied mostly in patients with mildly asymptomatic or asymptomatic parathyroid disorders. Clinical and biochemical profile of asymptomatic and symptomatic disease vary grossly. The present study analyzed renal function in patients with primary hyperparathyroidism and the relation with clinical features, biochemical features and sonologic changes of kidneys in a cohort of primary symptomatic hyperparathyroidism...
November 5, 2016: International Journal of Surgery
https://www.readbyqxmd.com/read/27819162/evaluation-of-abnormal-radiological-findings-in-children-aged-2-to-36-months-followed-by-recurrent-urinary-tract-infection-a-retrospective-study
#12
Cinar Ozen, Pelin Ertan, Feray Aras, Gul Gumuser, Mine Ozkol, Gonul Horasan Dinc
Our aim is to determine the rational usage of imaging techniques in order to prevent or minimize permanent renal damage in recurrent urinary tract infections (UTIs). This study was enrolled children aged between 2 and 36 months, following-up with the diagnosis of recurrent UTI. All children had ultrasonography (USG) and dimercaptosuccinic acid scanning, 39 of them had underwent on voiding cystourethrography. There were 133 children (87 girls, 46 boys) with the mean age of 32.82 ± 38.10 months included into the study...
November 6, 2016: Renal Failure
https://www.readbyqxmd.com/read/27815468/ultrasonographic-evaluation-of-the-kidney-in-5-6-nephrectomized-rats-correlation-with-biochemical-and-histopathological-findings
#13
António Nogueira, Ana Faustino Rocha, Mario Ginja, Paula Alexandra Oliveira, Maria João Pires
AIM: To characterize the kidney alterations associated with renal mass reduction by two-dimensional ultrasound and assess the correlation of the ultrasonographic parameters with the histological and biochemical findings. MATERIALS AND METHODS: Rats were divided into two groups: sham-operated animals (n=13), and animals which underwent renal mass reduction (RMR) through 5/6 nephrectomy (n=14). Renal length, renal thickness, cortical thickness, medullary length and echogenicity of the kidneys were evaluated by ultrasonography at 3 and 6 months after the RMR...
November 2016: In Vivo
https://www.readbyqxmd.com/read/27813615/18f-fdg-pet-ct-demonstrated-renal-and-hepatic-cyst-infection-in-a-patient-with-autosomal-dominant-polycystic-kidney-disease
#14
Domenico Albano, Giovanni Bosio, Francesco Bertagna
Infection of renal or hepatic cyst is a serious complication of autosomal dominant polycystic kidney disease (ADPKD) and early diagnosis is crucial for the correct management. We report a case of 64-year-old male with ADPKD, who required renal transplantation some years before, with recent recurrent episodes of fever and abdominal pain, who underwent 18F-FDG PET/CT twice at 18 months intervals, after not conclusive conventional imaging studies (CT, ultrasonography). 18F-FDG PET/CT has proven to be a useful method for the diagnosis of renal and hepatic cyst infection in a patient with ADPKD and for the subse-quent management...
2016: Nuclear Medicine Review. Central & Eastern Europe
https://www.readbyqxmd.com/read/27805516/pretransplant-thyroid-findings-in-patients-with-end-stage-renal-disease
#15
Eda Yılmaz Akçay, Merih Tepeoğlu, Binnaz Handan Özdemir, Gonca Özgün, Semih Kazancı, Mehmet Haberal
OBJECTIVES: Patients with end-stage renal diseases can display abnormal thyroid gland function due to altered hormone excretion and transport. In this study, we aimed to evaluate the incidence of thyroid diseases by fine-needle aspiration cytology in kidney transplant candidates and to estimate the outcomes of these patients. MATERIALS AND METHODS: We reevaluated thyroid fineneedle aspiration biopsies, which were performed between January 2000 and December 2015, of 181 candidates for kidney transplant...
November 2016: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/27805457/laparoscopic-radiofrequency-ablation-combined-with-surgical-excision-for-exophytic-renal-angiomyolipoma-a-novel-technique-based-on-tumor-vasculature-features-of-enhancing-renal-masses-toward-hilar-off-clamping-nephron-sparing-surgery
#16
Wei Xiong, Qing Ran, Yangchun Du, Ji Lv, Fang Chen, Shan Zhong, Pu Guo, Ke Dou, Minghan Sun
OBJECTIVES: Symptomatic angiomyolipoma (AML) and asymptomatic AML larger than 4 cm in size are usually treated with nephron-sparing surgery or transarterial embolization. We used radiofrequency ablation to treat the vascular pedicle of exophytic AML with low R.E.N.A.L. nephrometry score and investigated its feasibility for hilar off-clamping nephron-sparing surgery. METHODS: Contrast-enhanced computed tomography (CT) showed enhanced, well-defined lipomatous tumors with a maximum diameter of 4-8 cm in the kidney of 15 patients...
November 2, 2016: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/27796695/role-of-ultrasonographic-chronic-kidney-disease-score-in-the-assessment-of-chronic-kidney-disease
#17
Mustafa Yaprak, Özgür Çakır, Mehmet Nuri Turan, Ramazan Dayanan, Selçuk Akın, Elif Değirmen, Mustafa Yıldırım, Faruk Turgut
PURPOSE: Ultrasonography (US) is an inexpensive, noninvasive and easy imaging procedure to comment on the kidney disease. Data are limited about the relation between estimated glomerular filtration rate (e-GFR) and all 3 renal US parameters, including kidney length, parenchymal thickness and parenchymal echogenicity, in chronic kidney disease (CKD). In this study, we aimed to investigate the association between e-GFR and ultrasonographic CKD score calculated via these ultrasonographic parameters...
October 28, 2016: International Urology and Nephrology
https://www.readbyqxmd.com/read/27796016/-diagnosis-in-polycystic-kidney-disease
#18
Riccardo Magistroni
The diagnosis of ADPKD should be based on a thorough assessment of the family history, radiological study and when indicated, genetic study. The anamnestic definition of 'negative family history' should be accepted only after a full clinical-instrumental assessment of close relatives of the subject . Ultrasound is the diagnostic modality of choice in at-risk patients with a positive family history of ADPKD. In some clinical scenarios (screening kidney donation, family planning and others) misdiagnosis based on morphological criteria may be too high...
September 2016: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/27778495/laparoscopic-pyeloplasty-in-children-with-horseshoe-kidney
#19
Paulo Renato Marcelo Moscardi, Roberto Iglesias Lopes, Marcos Figueiredo Mello, Cristovao Machado Barbosa, Bruno Nicolino Cezarino, Lorena Marçalo Oliveira, Francisco Tibor Dénes, Miguel Srougi
INTRODUCTION: Horseshoe kidney occurs in 1 per 400-800 live births and are more frequently observed in males (M:F 2:1). Ureteropelvic junction obstruction (UPJO) is commonly associated with horseshoe kidneys. The variable blood supply, presence of the isthmus and high insertion of the ureter contribute to this problem. CASE REPORT: An asymptomatic 6 year-old boy presented with antenatal hydronephrosis. Ultrasonography and CT scan demonstrated left UPJO associated with a horseshoe kidney...
October 20, 2016: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/27776379/-unknown-title
#20
M Kadihasanoglu, M Kilciler, O Atahan
A 44-year-old woman, who had had left flank pain for the previous 3 months, was treated successfully for renal hydatid cyst disease by using an endoscopic technique with percutaneous access through an all seeing needle. Abdominal ultrasonography showed a Gharbi type III cyst in the lower pole of the left kidney. Computerised tomography of the abdomen revealed a bulky solid-cystic mass with calcified and well-defined wall and daughter cyst without contrast enhancement. The patient, who refused any renal operation, underwent a percutaneous intervention with access through an all seeing needle access...
October 24, 2016: Aktuelle Urologie
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