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https://www.readbyqxmd.com/read/29049429/correlation-of-handheld-reflectance-confocal-microscopy-with-radial-video-mosaicing-for-margin-mapping-of-lentigo-maligna-and-lentigo-maligna-melanoma
#1
Oriol Yélamos, Miguel Cordova, Nina Blank, Kivanc Kose, Stephen W Dusza, Erica Lee, Milind Rajadhyaksha, Kishwer S Nehal, Anthony M Rossi
Importance: The management of lentigo maligna (LM) and LM melanoma (LMM) is challenging because of extensive subclinical spread and its occurrence on cosmetically sensitive areas. Reflectance confocal microscopy (RCM) improves diagnostic accuracy for LM and LMM and can be used to delineate their margins. Objectives: To evaluate whether handheld RCM with radial video mosaicing (HRCM-RV) offers accurate presurgical assessment of LM and LMM margins. Design, Setting, and Participants: This prospective study included consecutive patients with biopsy-proven LM and LMM located on the head and neck area who sought consultation for surgical management from March 1, 2016, through March 31, 2017, at the Dermatology Service of the Memorial Sloan Kettering Cancer Center...
October 11, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28975402/isolated-radial-neck-delayed-union-nonunion-after-conservative-treatment-in-adults-two-case-reports-and-a-literature-review
#2
Christa Babst, Alexander Brunner, Reto Babst
BACKGROUND: Treatment recommendations for isolated radial neck delayed union/nonunion are sparse, but include mainly conservative treatment, electro-stimulation, bone grafting, open reduction and internal fixation (ORIF) and radial head resection. The purpose of this study was to perform a literature review on isolated delayed union/nonunion of radial neck fractures and to evaluate the reported outcomes of proposed treatment strategies. Furthermore, we aimed to generate data-based recommendations for this rare pathology...
October 3, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28971244/an-uncommon-variant-of-the-essex-lopresti-injury
#3
Mohamed Ali Kedous, Ahmed Msakni, Wael Chebbi, Mourad Zaraa, Mondher Mbarek
The Essex-Lopresti injury is an extremely rare condition combining radial head or neck fracture, distal radio-ulnar joint dislocation and rupture of the interosseous membrane. However, there are rare or unusual varieties or associated injuries. We report a case of a 46-year-old woman with a posterior dislocation of the radio-humeral joint, a radial shaft fracture, and a distal radio-ulnar joint dislocation. She underwent open reduction and internal fixation of the radial shaft fracture followed by an immobilization by a long elbow splint in supination for 6 weeks...
October 2, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28943212/modification-of-fasciocutaneous-radial-forearm-free-flap-to-achieve-two-layer-closure-during-reconstruction-of-circumferential-hypopharyngeal-defects
#4
M Abu-Serriah, S Loughran
Circumferential defects of the hypopharynx are a reconstructive challenge. Various local, regional and free flaps have been described with each having advantages and disadvantages in terms of functional outcomes. The fasciocutaneous radial forearm free flap (RFFF) is one of the most common free flaps used for reconstructing circumferential hypopharyngeal defects. The skin paddle is pliable and reasonably matches the native hypopharyngeal wall. It is easy to raise, has predictable vascular anatomy and a long pedicle...
September 21, 2017: European Annals of Otorhinolaryngology, Head and Neck Diseases
https://www.readbyqxmd.com/read/28918617/right-ventricular-thrombosis-combined-with-fetal-death-and-acrocyanosis-in-pregnancy
#5
Feridoun Sabzi, Aghigh Heidari
Prepartum or postpartum right ventricular thrombosis (RVT) is an exceedingly rare and potentially lethal phenomenon in pregnancy. We here report a case of a pregnant patient with near term pregnancy admitted for dyspnea, amniotic fluids discharge and labor pain in a gynecology center that an eight-month dead fetus was diagnosed and delivered vaginally by induction. A post delivery period was complicated by aggravation of her dyspnea and pleuritic chest pain that she referred for further evaluation in our cardiac center...
July 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/28918517/detecting-cam-type-deformities-on-plain-radiographs-what-is-the-optimal-lateral-view
#6
Christian Hipfl, Markus Titz, Catharina Chiari, Veronika Schöpf, Franz Kainberger, Reinhard Windhager, Stephan Domayer
PURPOSE: Radial magnetic resonance imaging (MRI) is the most accurate diagnostic tool in assessing cam-type femoroacetabular impingement. Plain radiographs, however, are useful for the initial diagnosis in the daily practice and there is still debate regarding the optimal lateral view. The purpose of this study was to investigate the reliability of detecting cam deformities using the frog-leg view or the 45° Dunn view by comparison with radial MRI. MATERIAL: 66 consecutive hips with plain radiographs (36 with AP and frog-leg views, 30 with AP and 45° Dunn views) and radial MRI were assessed...
September 16, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28895181/simultaneous-double-free-radial-forearm-flaps-combined-with-coronoidectomy-and-myotomy-to-release-bilateral-severe-trismus-a-case-report
#7
Chieh Chou, Chien-Chang Chen, Chung-Sheng Lai, Sin-Daw Lin, Yur-Ren Kuo
Oral cancers associated with submucosal fibrosis-induced trismus are common. They may affect the patients' quality of life, cause nutritional deficits, and interfere with postoperative cancer surveillance. In such cases, locating desirable recipient vessels in the head and neck can be difficult. This report presents a 47-year-old man with severe trismus caused by recurrent head and neck cancer, who had received multiple free-flap reconstructions after cancer ablation. Reconstruction was successfully achieved for the bilateral defects and releasing the trismus by using simultaneous double free radial forearm flaps as a chained flow-through pattern with one residual recipient vessel combined with the bilateral myotomy of the medial pterygoid and masseter muscles, and coronoidectomy...
September 12, 2017: Microsurgery
https://www.readbyqxmd.com/read/28877600/technique-for-intramedullary-stabilization-of-ulnar-neck-fractures
#8
Jack Abboudi, Scott M Sandilands, C Edward Hoffler, William Kirkpatrick, William Emper
BACKGROUND: Distal ulna fractures at the ulnar neck can be seen in association with distal radius fractures, and multiple techniques have been described to address the ulnar neck component of these injuries. We have found that treatment of ulnar neck fractures can be challenging in terms of anatomy and fracture fixation. We present a new percutaneous fixation technique for ulnar neck fractures commonly seen with distal radius fractures. TECHNIQUE: Fixation of the ulnar neck fracture is performed after fixation of the distal radius fracture...
September 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28872453/allium-stents-a-novel-solution-for-the-management-of-upper-and-lower-urinary-tract-strictures
#9
Zaher Bahouth, Boaz Moskovitz, Sarel Halachmi, Ofer Nativ
Stents are widely use in endoscopic urological procedures. One of the most important indications is the treatment of urinary tract strictures. Allium(™) Medical has introduced several types of stents for the treatment of different types of urinary tract strictures, based on anatomic location. All the stents are made of nitinol and coated with a co-polymer that reduces encrustations. These stents are self-expandable and have a large caliber and a high radial force. They have different shapes, designed especially for the treatment of each type of stricture...
August 22, 2017: Rambam Maimonides Medical Journal
https://www.readbyqxmd.com/read/28863728/venous-complications-in-one-versus-two-vein-anastomoses-in-head-and-neck-free-flaps
#10
Sobia F Khaja, Nathan Rubin, Rodrigo Bayon
OBJECTIVE: The purpose of this study was to compare rates of reexploration and flap failure in patients with 1- and 2-vein anastomoses in free flap reconstructions. METHODS: Retrospective chart review of 300 patients undergoing free flap reconstruction to head and neck defects from 2010 to 2014. RESULTS: One venous anastomosis was performed in 229 patients, and 2 venous anastomoses were performed in 71 patients. The 1-vein group had significantly more reexplorations in the operating room (36/229, 15...
October 2017: Annals of Otology, Rhinology, and Laryngology
https://www.readbyqxmd.com/read/28859923/proper-choice-of-donor-site-veins-for-patients-undergoing-free-radial-forearm-flap-reconstruction-for-the-defects-of-head-and-neck
#11
Qin-Kai Zhai, Wei Dai, Xue-Xin Tan, Jian Sun, Chen-Ping Zhang, Xing-Jun Qin
PURPOSE: The purpose of this study was to analyze the reliability of the deep venous drainage system of the free radial forearm flap. MATERIALS AND METHODS: The authors implemented a retrospective cohort study and enrolled patients admitted for the evaluation and management of head and neck tumors with radial forearm flap reconstruction. The primary predictor variables were the donor site veins, including the deep, dual, and superficial venous drainage systems. The primary outcome measurement was the incidence of venous compromise...
August 3, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28856788/radial-fast-interrupted-steady-state-fiss-magnetic-resonance-imaging
#12
Ioannis Koktzoglou, Robert R Edelman
PURPOSE: To report a highly interrupted radial variant of balanced steady-state free precession (bSSFP) imaging, termed fast interrupted steady-state (FISS), for decreasing flow artifact as well as fat signal conspicuity with respect to bSSFP, and saturation effects vis-à-vis fast low-angle shot (FLASH) imaging. METHODS: Numerical simulations, phantom studies, and human studies were conducted to examine the imaging contrast, off-resonance behavior, and flow properties of FISS...
August 30, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28835056/-application-of-optical-coherence-tomography-angiography-in-evaluation-of-retinal-microvascular-changes-in-patients-with-obstructive-sleep-apnea-syndrome
#13
X Y Wang, M Li, X Ding, D M Han
Objective: To assess the changes of retinal microvasculature in patients with obstructive sleep apnea syndrome (OSAS) evaluated by optical coherence tomography (OCTA). Methods: Adult OSAS patients who visited Beijing Tongren Hospital from Jan 2016 to Apr 2016 and complained of snoring were included in this study. The patients' general information, results of polysomnography, and OCTA parameters were collected. Patients were divided into three groups according to their apnea hypopnea index (AHI) results: Mild-moderate group, AHI≤30/h; Severe group, 30/h<AHI≤60/h; Extremely severe group, AHI>60/h, and clinical characteristics, polysomnography and OCTA parameters among the three groups were compared...
August 22, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28819519/simultaneous-ipsilateral-fractures-of-distal-and-proximal-ends-of-the-radius
#14
Khalid Ibn El Kadi, Mounir Benabid, Sarr Saliou, Oussama El Assil, Amine Marzouki, Kamal Lahrach, Fawzi Boutayeb
We treated a patient with a rare combination of ipsilateral fractures of the distal and proximal ends of the radius. A man aged 42 years had simultaneous fractures of the distal and proximal ends of the radius (radial neck) following a roadside accident. The distal end fracture of the radius was treated with surgical reduction and T-plate volar fixation, and the undisplaced radial neck fracture was treated by an above elbow splintage for 2 weeks. The elbow mobilization was started at 2 weeks. The distal radius was protected for another 4 weeks in a below elbow functional brace...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28798039/physical-activity-during-adolescence-and-the-development-of-cam-morphology-a-cross-sectional-cohort-study-of-210-individuals
#15
Antony Palmer, Scott Fernquest, Mo Gimpel, Richard Birchall, Andrew Judge, John Broomfield, Julia Newton, Mark Wotherspoon, Andrew Carr, Sion Glyn-Jones
INTRODUCTION: Cam morphology is a strong risk factor for the development of hip pain and osteoarthritis. It is increasingly thought to develop in association with intense physical activity during youth; however, the aetiology remains uncertain. The study aim was to characterise the effect of physical activity on morphological hip development during adolescence. METHODS: Cross-sectional study of individuals aged 9-18 years recruited from Southampton Football Club Academy (103 male) with an age-matched control population (52 males and 55 females)...
August 10, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28782415/no-difference-in-neck-enlargement-for-patients-treated-with-double-proximal-self-expandable-suprarenal-fixation-endografting
#16
Andrés Reyes Valdivia, Georgios Pitoulias, África Duque Santos, Martín Fabregate Fuente, Apostolos G Pitoulias, Julia Ocaña Guaita, Claudio Gandarias
INTRODUCTION: Neck enlargement is well described in patients treated with self-expandable endografts for abdominal aortic aneurysms. Double endografting (ie, overlapping of stent grafts) occurs in patients with proximal cuffs or bifurcated to monoiliacal configuration conversions. When the aortic neck of patients receives 2 suprarenal fixation endografts, it may behave differently in terms of radial force and interaction of additional suprarenal stents extending to the visceral aorta...
January 1, 2017: Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28772277/factors-to-consider-when-deciding-on-the-type-of-free-flap-reconstruction-of-head-and-neck-soft-tissue-defects
#17
Mohammed Thabet Aladimi, Bo Han, Chunjie Li, Hussein Helal, Zhenjie Gao, Longjiang Li
OBJECTIVES: The aim of the study was to evaluate the functional and aesthetic outcomes on donor and recipient sites and to determine the effects of technical factors including flap thickness and vessel diameters measured by ultrasonography as well as the size of the defect and postoperative volume reduction of the flaps measured by magnetic resonance imaging (MRI). METHODS: In patients who had undergone soft tissue reconstructive surgery between March 2013 and March 2016 using 55 anterolateral thigh flaps (ALTFs), 30 radial forearm flaps (RFFs), and 18 latissimus dorsi flaps (LDFs), color Doppler ultrasonography was performed to measure the thickness of the flap at the site of the perforator...
2017: ORL; Journal for Oto-rhino-laryngology and its related Specialties
https://www.readbyqxmd.com/read/28763027/experimental-investigation-on-the-joining-of-aluminum-alloy-sheets-using-improved-clinching-process
#18
Chao Chen, Shengdun Zhao, Xiaolan Han, Xuzhe Zhao, Tohru Ishida
Aluminum alloy sheets have been widely used to build the thin-walled structures by mechanical clinching technology in recent years. However, there is an exterior protrusion located on the lower sheet and a pit on the upper sheet, which may restrict the application of the clinching technology in visible areas. In the present study, an improved clinched joint used to join aluminum alloy sheets was investigated by experimental method. The improved clinching process used for joining aluminum alloy evolves through four phases: (a) localized deformation; (b) drawing; (c) backward extrusion; and (d) mechanical interlock forming...
August 1, 2017: Materials
https://www.readbyqxmd.com/read/28754077/treatment-of-the-donor-site-of-free-radial-flaps-vacuum-sealing-versus-conventional-wound-care
#19
Michael Koch, Kavan Jalyzada, Philipp Grundtner, Heinrich Iro, Claudia Scherl, Ulrich Harréus, Julian Künzel
INTRODUCTION: Radial forearm flap donor side defects can be treated by vacuum therapy and conventional wound dressing. The aim of this study was to compare different wound management considering wound healing, including risk factors and cost effectiveness. MATERIALS AND METHODS: Retrospective study including patients treated with radial flaps in the Department of Head and Neck Surgery in Erlangen from January 2005 to August 2013. Wound healing was assessed regarding complications considering several risk factors and comorbidities...
December 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28742788/computer-assisted-corrective-osteotomy-of-malunited-pediatric-radial-neck-fractures-three-dimensional-postoperative-accuracy-and-clinical-outcome
#20
Lizzy Weigelt, Philipp Fürnstahl, Andreas Schweizer
Neglected or incorrect treatment of pediatric radial neck fractures may lead to symptomatic malunions. Computer-assisted corrective osteotomies with patient-specific guides have been proposed as a promising technique for the reconstruction of malunited long bone deformities. The aim of this study was to evaluate the accuracy and clinical outcome of this technique in children with malunited fractures of the radial neck. Four children (two male, two female; mean age 12 (10-16) years) underwent computer-assisted closing wedge osteotomy of the radial neck...
July 24, 2017: Journal of Orthopaedic Trauma
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