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Percutaneous biopsy

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https://www.readbyqxmd.com/read/28329045/extensive-type-ii-muscle-fiber-atrophy-in-elderly-female-hip-fracture-patients
#1
Irene Fleur Kramer, Tim Snijders, Joey S J Smeets, Marika Leenders, Janneau van Kranenburg, Marcel den Hoed, Lex B Verdijk, Martijn Poeze, Luc J C van Loon
Background: Sarcopenia, or the loss of muscle mass and strength, is known to increase the risk for falls and (hip) fractures in older people. The objective of this study was to assess the skeletal muscle fiber characteristics in elderly female hip fracture patients. Method: Percutaneous needle biopsies were collected from the vastus lateralis muscle in 15 healthy young women (20 ± 0.4 years), 15 healthy elderly women (79 ± 1.7 years), and 15 elderly women with a fall-related hip fracture (82 ± 1...
January 20, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28323730/transesophageal-bronchoscopic-ultrasound-guided-fine-needle-aspiration-for-metastatic-vertebral-body-lesion
#2
Masahide Oki, Hideo Saka, Shu Ichihara, Suzuko Moritani
Malignant neoplasms frequently cause vertebral metastases. Traditionally, either image-guided percutaneous biopsy or open biopsy has been performed for sampling specimens for the definitive diagnosis. We herein report a case with suspected multiple metastases but unknown primary, who underwent endobronchial ultrasound-guided transbronchial needle aspiration for mediastinal lymph nodes with negative results by rapid onsite cytologic evaluation, followed by the transesophageal approach with the ultrasound bronchoscope for the vertebral body lesion at the same setting that provided a definitive diagnosis of metastatic hepatocellular carcinoma...
April 2017: Journal of Bronchology & Interventional Pulmonology
https://www.readbyqxmd.com/read/28316612/future-of-the-renal-biopsy-time-to-change-the-conventional-modality-using-nanotechnology
#3
REVIEW
Hamid Tayebi Khosroshahi, Behzad Abedi, Sabalan Daneshvar, Yashar Sarbaz, Abolhassan Shakeri Bavil
At the present time, imaging guided renal biopsy is used to provide diagnoses in most types of primary and secondary renal diseases. It has been claimed that renal biopsy can provide a link between diagnosis of renal disease and its pathological conditions. However, sometimes there is a considerable mismatch between patient renal outcome and pathological findings in renal biopsy. This is the time to address some new diagnostic methods to resolve the insufficiency of conventional percutaneous guided renal biopsy...
2017: International Journal of Biomedical Imaging
https://www.readbyqxmd.com/read/28302441/percutaneous-transhepatic-cholangiographic-endobiliary-forceps-biopsy-versus-endoscopic-ultrasound-fine-needle-aspiration-for-proximal-biliary-strictures-a-single-centre-experience
#4
Kayvan Mohkam, Yaseen Malik, Carlos Derosas, John Isaac, Ravi Marudanayagam, Homoyoon Mehrzad, Darius F Mirza, Paolo Muiesan, Keith J Roberts, Robert P Sutcliffe
BACKGROUND: Endoscopic ultrasound fine needle aspiration (EUS-FNA) and percutaneous transhepatic cholangiographic endobiliary forceps biopsy (PTC-EFB) are valid procedures for histological assessment of proximal biliary strictures (PBS), but their performances have never been compared. This study aimed to compare the diagnostic performance of these two techniques. METHOD: The diagnostic performances of EUS-FNA and PTC-EFB were compared in a retrospective cohort of patients assessed for PBS from 2011 to 2015 at a single tertiary centre...
March 13, 2017: HPB: the Official Journal of the International Hepato Pancreato Biliary Association
https://www.readbyqxmd.com/read/28302173/squamous-cell-carcinoma-arising-from-chronic-sacrococcygeal-pilonidal-disease-a-case-report
#5
Nick Michalopoulos, Konstantinos Sapalidis, Styliani Laskou, Evangelia Triantafyllou, Georgia Raptou, Isaak Kesisoglou
BACKGROUND: Sacrococcygeal pilonidal disease is a chronic, well-recognized entity, characterized by the recurrent formation of an abscess or draining sinus over the sacrococcygeal area. It is one of the most common surgical problems. Rarely, chronic inflammation and recurrent disease leads to malignant transformation, most commonly to squamous cell carcinoma (SCC). CASE PRESENTATION: We describe an extremely unusual case of SCC developing in a 60-year-old patient with a chronic pilonidal sinus complicated by an anal fistula...
March 17, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28301367/reconstruction-of-a-long-segment-tracheal-defect-using-an-alloderm-conduit
#6
William D Bolton, Sharon Ben-Or, Allyson L Hale, James E Stephenson
This case describes successful reconstruction of a long-segment tracheal defect using AlloDerm as the conduit for reconstruction. A 38-year-old woman who had undergone a thyroid lobectomy in 2011 presented several months later unable to swallow. Chest computed tomography results revealed a tracheal/esophageal mass and a subsequent bronchoscopy, and esophagogastroduodenoscopy results revealed an upper esophageal/tracheal mass with two areas concerning for fistula. She underwent a bronchoscopy with a tracheal stent and percutaneous endoscopic gastrostomy placement...
March 15, 2017: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/28299630/the-role-of-interventional-radiology-techniques-in-the-management-of-renal-angiomyolipomas
#7
REVIEW
Ryan M Kiefer, S William Stavropoulos
PURPOSE OF REVIEW: Although benign, renal angiomyolipoma (AML) may lead to serious complications without appropriate management. The purpose of this review is to describe the role of and evidence for interventional radiology techniques in the management of patients with AML. RECENT FINDINGS: For patients with renal masses and non-diagnostic imaging studies, image-guided percutaneous biopsy is found to be highly accurate and useful in directing patient management...
May 2017: Current Urology Reports
https://www.readbyqxmd.com/read/28298435/could-mri-be-used-to-image-kidney-fibrosis-a-review-of-recent-advances-and-remaining-barriers
#8
REVIEW
General Leung, Anish Kirpalani, Stephen G Szeto, Maya Deeb, Warren Foltz, Craig A Simmons, Darren A Yuen
A key contributor to the progression of nearly all forms of CKD is fibrosis, a largely irreversible process that drives further kidney injury. Despite its importance, clinicians currently have no means of noninvasively assessing renal scar, and thus have historically relied on percutaneous renal biopsy to assess fibrotic burden. Although helpful in the initial diagnostic assessment, renal biopsy remains an imperfect test for fibrosis measurement, limited not only by its invasiveness, but also, because of the small amounts of tissue analyzed, its susceptibility to sampling bias...
March 15, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28296957/computer-assisted-electromagnetic-navigation-improves-accuracy-in-computed-tomography-guided-interventions-a-prospective-randomized-clinical-trial
#9
Pierre Durand, Alexandre Moreau-Gaudry, Anne-Sophie Silvent, Julien Frandon, Emilie Chipon, Maud Médici, Ivan Bricault
PURPOSE: To assess the accuracy and usability of an electromagnetic navigation system designed to assist Computed Tomography (CT) guided interventions. MATERIALS AND METHODS: 120 patients requiring a percutaneous CT intervention (drainage, biopsy, tumor ablation, infiltration, sympathicolysis) were included in this prospective randomized trial. Nineteen radiologists participated. Conventional procedures (CT group) were compared with procedures assisted by a navigation system prototype using an electromagnetic localizer to track the position and orientation of a needle holder (NAV group)...
2017: PloS One
https://www.readbyqxmd.com/read/28296665/papillomas-of-the-breast-factors-associated-with-underestimation
#10
Gabriela Boufelli, Marcelo A Giannotti, Carlos A Ruiz, Nestor de Barros, Luciano F Chala, Jonathan Y Maesaka, Rodrigo Goncalves, Bárbara H Bresciani, Paula Vianna, José M Soares, Edmund C Baracat, José R Filassi
The distinction between benign and malignant papilloma of the breast through percutaneous needle biopsy can be difficult because of limited samples; the underestimation rate can be up to 25%. The aim of this study is to identify clinical and histological factors associated with underestimation, invasive ductal carcinoma, or ductal in-situ carcinoma (DCIS) of the breast found in surgical specimens from papillary lesions. This may contribute toward selection of patients for a follow-up strategy without the need for surgical excision...
March 14, 2017: European Journal of Cancer Prevention
https://www.readbyqxmd.com/read/28293379/clinical-features-histology-and-histogenesis-of-combined-hepatocellular-cholangiocarcinoma
#11
REVIEW
Shweta Gera, Mark Ettel, Gabriel Acosta-Gonzalez, Ruliang Xu
Combined hepatocellular-cholangiocarcinoma (CHC) is a rare tumor with poor prognosis, with incidence ranging from 1.0%-4.7% of all primary hepatic tumors. This entity will be soon renamed as hepato-cholangiocarcinoma. The known risk factors for hepatocellular carcinoma (HCC) have been implicated for CHC including viral hepatitis and cirrhosis. It is difficult to diagnose this tumor pre-operatively. The predominant histologic component within the tumor largely determines the predominant radiographic features making it a difficult distinction...
February 28, 2017: World Journal of Hepatology
https://www.readbyqxmd.com/read/28291716/the-relevance-of-readmissions-after-common-ir-procedures-readmission-rates-and-association-with-early-mortality
#12
Ammar Sarwar, Lujia Zhou, Nihara Chakrala, Olga R Brook, Jeffrey L Weinstein, Max P Rosen, Muneeb Ahmed
PURPOSE: To determine all-cause readmission rates for 12 IR procedures and association of time to readmission with risk-adjusted 90-day mortality. MATERIALS AND METHODS: Patients discharged after 12 inpatient IR procedures at a tertiary-care hospital between June 2008 and May 2013 (N = 4,163) were categorized as no readmission (n = 1,479; 40.5%) or readmission between 0 and 7 (n = 379; 10.4%), 8 and 30 (n = 650; 17.8%), 31 and 60 (n = 378; 10.3%), 61 and 90 (n = 169; 4...
March 10, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28289528/clinical-cardiac-regenerative-studies-in-children
#13
REVIEW
Imre J Pavo, Ina Michel-Behnke
Although the incidence of pediatric heart failure is low, the mortality is relatively high, with severe clinical symptoms requiring repeated hospitalization or intensive care treatment in the surviving patients. Cardiac biopsy specimens have revealed a higher number of resident human cardiac progenitor cells, with greater proliferation and differentiation capacity, in the neonatal period as compared with adults, demonstrating the regeneration potential of the young heart, with rising interest in cardiac regeneration therapy in critically ill pediatric patients...
February 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28286878/contrast-enhanced-ultrasound-in-ct-undetermined-focal-liver-lesions
#14
S W Sandrose, S Karstrup, O Gerke, S Rafaelsen
Purpose: The purpose of this study was to examine the diagnostic accuracy of CEUS in the diagnosis of focal liver lesions, which were undetermined at CT scan. Materials and Methods: From January 2010 to December 2010, patients with CT-undetermined focal liver lesions were included in this study. A total of 78 patients were evaluated: 41 men and 37 women, mean age 61.8 years; age range 30-91 years. All patients were examined with GE LOGIQ 9E ultrasound scanners with contrast-specific software, and SonoVue intravenous bolus...
November 2016: Ultrasound International Open
https://www.readbyqxmd.com/read/28283015/-cutaneous-larva-migrans-in-turkey-an-imported-case-report
#15
Meliha Çağla Sönmezer, Şebnem Erdinç, Necla Tülek, Cahit Babür, Ayşe Büyükdemirci, Tuba İlgar, Günay Ertem
Cutaneous larva migrans (CLM) is a parasitic infection most commonly found in tropical and subtropical areas. However, with the ease and increase of foreign travel to many countries around the world, the infection is not limited to these areas. CLM is an erythematous, serpiginous infection with skin eruption caused by percutaneous penetration of the larvae to the skin. In this report, a case diagnosed as imported CLM after an Amazon trip and treated with albendazole was presented. A 36 year-old male patient admitted to infectious diseases clinic with intense itching, erythematous, raised, streaklike serpiginious eruptionand some redness at bilateral foot especially at the right foot for about one week...
January 2017: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/28279887/evaluation-of-percutaneous-vacuum-assisted-intact-specimen-breast-biopsy-device-for-ultrasound-visualized-breast-lesions-upstage-rates-and-long-term-follow-up-for-high-risk-lesions-and-dcis
#16
Cathy L Graham
OBJECTIVE: Percutaneous core biopsy of ultrasound visualized breast lesions is standard for diagnosis. Large gauge vacuum-assisted core needles have improved accuracy; but a significant underestimation of malignancy remains. The Intact(R) device was assessed for upstaging and subsequent malignancy at the biopsy site. METHODS: 469 consecutive ultrasound visualized breast lesions, < 2.0 cm in size, BIRADS 4 or 5, biopsied with Intact(R) Breast Lesion Excision System, between July 2007 and August 2014, were reviewed...
March 6, 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28277004/fractional-laser-assisted-percutaneous-drug-delivery-via-temperature-responsive-liposomes
#17
Takahiro Fujimoto, Masayuki Ito, Shinobu Ito, Hideko Kanazawa
Liposomes are used for transdermal delivery of drugs and vaccines. Our objective was to develop temperature-responsive (TR) liposomes to achieve temperature-dependent, controlled release of an encapsulated drug, and use fractional laser irradiation to enhance transdermal permeability of these liposomes. TR-liposomes prepared using a thermosensitive polymer derived from poly-N-isopropylacrylamide, N,N-dimethylacrylamide, egg phosphatidylcholine, and dioleoylphosphatidylethanolamine, delivered fluorescein isothiocyanate-conjugated ovalbumin (OVA-FITC) as a model drug...
May 2017: Journal of Biomaterials Science. Polymer Edition
https://www.readbyqxmd.com/read/28275656/retroperitoneal-inflammatory-myofibroblastic-tumor-a-case-report
#18
Oliveira Carlos, Costa Rui, Estêvão Amélia, Caseiro-Alves Filipe
Inflammatory myofibroblastic tumors (IMT) were previously included in the "inflammatory pseudotumors" family, but have emerged as a distinct entity recently. The management of IMT may be challenging due to its intermediate malignant potential. We present a case of a young patient with an asymptomatic retroperitoneal mass with some imaging findings that could point to the IMT diagnosis pre-operatively. After two failed attempts to fully characterize the lesion by percutaneous and surgical biopsy, surgical resection was conducted and the final diagnosis was achieved...
2017: European Journal of Radiology Open
https://www.readbyqxmd.com/read/28275513/extending-indications-of-micropercutaneous-nephrolithotomy-it-is-not-just-about-cracking-stones
#19
Arvind P Ganpule, Jaspreet Singh Chhabra, S B Sudharsan, Ankush Jairath, Mohankumar Vijaykumar, Ravindra Sabnis, Mahesh R Desai
OBJECTIVE: To describe our experience and results of using the MicroPerc™ micropercutaneous nephrolithotomy armamentarium (PolyDiagnost, Germany) for unusual indications unexplored using this modality. PATIENTS AND METHODS: We used the MicroPerc™ system for stone clearance in three ureteric calculi, two bladder calculi, one case of urethral calculus, for antegrade biopsy in a case of upper tract urothelial carcinoma, for Deflux® (dextranomer/hyaluronic copolymer, Salix Pharmaceuticals, Uppsala, Sweden) injection in three cases of vesico-ureteric reflux (VUR), and three cases of posterior urethral valve (PUV) fulgurations...
March 2017: Arab Journal of Urology
https://www.readbyqxmd.com/read/28273741/endovascular-management-for-significant-iatrogenic-portal-vein-bleeding
#20
Jong Woo Kim, Ji Hoon Shin, Jonathan K Park, Hyun-Ki Yoon, Gi-Young Ko, Dong Il Gwon, Jin Hyoung Kim, Kyu-Bo Sung
Background Despite conservative treatment, hemorrhage from an intrahepatic branch of the portal vein can cause hemodynamic instability requiring urgent intervention. Purpose To retrospectively report the outcomes of hemodynamically significant portal vein bleeding after endovascular management. Material and Methods During a period of 15 years, four patients (2 men, 2 women; median age, 70.5 years) underwent angiography and embolization for iatrogenic portal vein bleeding. Causes of hemorrhage, angiographic findings, endovascular treatment, and complications were reported...
January 1, 2017: Acta Radiologica
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