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https://www.readbyqxmd.com/read/27914184/the-potential-use-of-ultrasound-magnetic-resonance-imaging-fusion-applications-in-musculoskeletal-intervention
#1
Christopher J Burke, Jenny Bencardino, Ronald Adler
We sought to assess the potential use of an application allowing real-time ultrasound spatial registration with previously acquired magnetic resonance imaging in musculoskeletal procedures. The ultrasound fusion application was used to perform a range of outpatient procedures including piriformis, sacroiliac joint, pudendal and intercostal nerve perineurial injections, hamstring-origin calcific tendonopathy barbotage, and 2 soft tissue biopsies at our institution in 2015. The application was used in a total of 7 procedures in 7 patients, all of which were technically successful...
December 3, 2016: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/27913780/multifocal-polymorphous-hemangioendothelioma-of-the-liver-case-report-and-review-of-literature
#2
Siba El Hussein, Yumna Omarzai
We report a case of polymorphous hemangioendothelioma, a rare vascular neoplasm, arising in the liver of a 51-year-old woman. Microscopically, this neoplasm is characterized by a polymorphous blend of solid, primitive vascular and angiomatous areas in variable proportions. Polymorphous hemangioendothelioma is considered to be an intermediate-grade vascular neoplasm. In most of the reported cases, its occurrence has been in lymph nodes, but a few cases have been found in extranodal sites such as the mediastinum, spinal cord, and liver...
December 2, 2016: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27913723/the-utility-of-the-maude-database-for-osseointegrated-auditory-implants
#3
Daniel H Coelho, Alex J Tampio
OBJECTIVE: To determine the utility of Manufacturer and User Friendly Device Experience (MAUDE) database in studying osseointegrated auditory implant (OAI)-related complications. METHODS: The MAUDE database was searched for all reports involving OAIs (ie, Baha, Ponto, Sophono). Complications were classified into 1 or more of 6 categories-implant, abutment, processor, skin, surgery, and other. Subcategories were generated to prevent overgeneralization. Other variables recorded included date of report, number of complications per report, manufacturer, and time from complication to report...
January 2017: Annals of Otology, Rhinology, and Laryngology
https://www.readbyqxmd.com/read/27913343/a-frequency-shift-method-to-measure-shear-wave-attenuation-in-soft-tissues
#4
Simon Bernard, Siavash Kazemirad, Guy Cloutier
In vivo quantification of shear wave attenuation in soft tissues may help to better understand human tissue rheology and lead to new diagnostic strategies. Attenuation is difficult to measure in acoustic radiation force elastography because the shear wave amplitude decreases due to a combination of diffraction and viscous attenuation. Diffraction correction requires assuming a cylindrical wavefront and an isotropic propagation medium, which may not be the case in some applications. In this study, the frequency shift method, used in ultrasound imaging and seismology, was adapted for shear wave attenuation measurement in elastography...
December 1, 2016: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
https://www.readbyqxmd.com/read/27913326/delay-and-standard-deviation-beamforming-to-enhance-specular-reflections-in-ultrasound-imaging
#5
Raja Sekhar Bandaru, Anders Rasmus Sornes, Jeroen Hermans, Eigil Samset, Jan D'hooge
Although interventional devices, such as needles, guide wires, and catheters, are best visualized by X-ray, real-time volumetric echography could offer an attractive alternative as it avoids ionizing radiation; it provides good soft tissue contrast, and it is mobile and relatively cheap. Unfortunately, as echography is traditionally used to image soft tissue and blood flow, the appearance of interventional devices in conventional ultrasound images remains relatively poor, which is a major obstacle toward ultrasound-guided interventions...
December 2016: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
https://www.readbyqxmd.com/read/27913095/soft-hard-tissues-and-pharyngeal-airway-volume-changes-following-maxillomandibular-transverse-osteodistraction-computed-tomography-and-three-dimensional-laser-scanner-evaluation
#6
Francesca Antonella Bianchi, Giovanni Gerbino, Marina Corsico, Eleonora Schellino, Niccolò Barla, Laura Verzè, Guglielmo Ramieri
INTRODUCTION: Maxillomandibular transverse osteodistraction (MMTOD) is an alternative approach to the traditional treatment for transverse maxillary and mandibular deficiencies and crowding. The aim was to report soft and hard-tissues changes and airway volume variation. METHODS: In this study, skeletally mature, non-syndromic patients with transverse maxillary and mandibular hypoplasia, who underwent a MMTOD between 2010 and 2012, were included. Surgical changes were analysed using clinical evaluation, three-dimensional facial surface data and computed tomography analysis before (T0) and after the completion of post-op orthodontic treatment (T1)...
October 18, 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/27913087/a-case-of-multiple-empyema-caused-by-streptococcus-intermedius
#7
Akihito Kaga, Ryuzaburo Higo, Hiroshi Yoshikawa, Naoko Yokoi, Takuo Haruyama, Hiroaki Komatsu, Ayumi Yabe, Takeshi Kusunoki, Katsuhisa Ikeda
We report the case of a patient with multiple empyema present throughout his body, including chronic sinusitis and chronic suppurative otitis media, as well as subsequent epidural empyema, all caused by Streptococcus intermedius. A 38-year-old man presented with chief complaints of headache, left ear discharge, and nasal congestion. Imaging studies revealed pansinusitis, soft tissue signs in the mastoid cells, and otitis media. The patient was treated with meropenem hydrate, 6g/day. While clinical findings indicated improvement of the sinusitis, his headache did not improve...
November 29, 2016: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/27912995/rehabilitation-strategies-and-outcomes-of-the-sarcoma-patient
#8
REVIEW
Sean Robinson Smith
Sarcomas are a relatively rare cancer that, depending on the location, can cause significant neuromusculoskeletal dysfunction and require rehabilitation interventions to reduce pain, restore function, and improve quality of life. This review focuses on sarcoma subtypes that frequently cause these complications: bony and soft tissue sarcomas leading to limb salvage or amputation, desmoid tumors, and malignant peripheral nerve sheath tumors. Rehabilitation approaches and outcomes are discussed, as well as considerations for childhood sarcoma survivors transitioning to adulthood...
February 2017: Physical Medicine and Rehabilitation Clinics of North America
https://www.readbyqxmd.com/read/27912929/survival-failure-modes-and-function-of-combined-distal-femur-and-proximal-tibia-reconstruction-following-tumor-resection
#9
F Sevelda, W Waldstein, J Panotopoulos, C Stihsen, A Kaider, P T Funovics, R Windhager
BACKGROUND: Tumor spread to the knee joint or skip metastasis to the adjacent bones of the knee require reconstruction with combined distal femur and proximal tibia replacements. The literature on implant survival and failure modes with this type of reconstruction is sparse. The goals of this study were to determine the implant survival, the different failure modes and the functional outcome of this megaendoprosthetic reconstruction. PATIENTS AND METHODS: Thirty-nine patients with combined distal femur and proximal tibia reconstruction were retrospectively reviewed...
November 23, 2016: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/27912846/new-insights-and-evolving-role-of-pegylated-liposomal-doxorubicin-in-cancer-therapy
#10
REVIEW
Alberto A Gabizon, Yogita Patil, Ninh M La-Beck
We herein review various pharmacological and clinical aspects of pegylated liposomal doxorubicin (PLD), the first nanomedicine to be approved for cancer therapy, and discuss the gap between its potent antitumor activity in preclinical studies and its comparatively modest achievements in clinical studies and limited use in clinical practice. PLD is a complex formulation of doxorubicin based on pharmaceutical nanotechnology with unique pharmacokinetic and pharmacodynamic properties. Its long circulation time with stable retention of the payload and its accumulation in tumors with high vascular permeability both result in important advantages over conventional chemotherapy...
November 2016: Drug Resistance Updates: Reviews and Commentaries in Antimicrobial and Anticancer Chemotherapy
https://www.readbyqxmd.com/read/27911351/evaluation-of-differential-phase-contrast-cone-beam-ct-imaging-system
#11
Jiangkun Liu, Weixing Cai, Ruola Ning
Grating-based differential phase contrast (DPC) imaging enables the use of a hospital-grade X-ray tube, but compromises the image quality due to insufficiently coherent illumination. In this research, a bench-top DPC cone beam CT (DPC-CBCT) was systematically evaluated and compared with the traditional attenuation-based CBCT in terms of contrast to noise ratio, noise property, and contrast resolution through phantom studies. In order to evaluate DPC-CBCT for soft tissue imaging, breast specimen and small animal studies were carried out...
November 30, 2016: Journal of X-ray Science and Technology
https://www.readbyqxmd.com/read/27910815/in-vitro-and-in-vivo-evaluations-of-a-novel-post-electrospinning-treatment-to-improve-the-fibrous-structure-of-chitosan-membranes-for-guided-bone-regeneration
#12
Hengjie Su, Kwei-Yu Liu, Anastasios Karydis, Daniel G Abebe, Chaoxi Wu, Kenneth M Anderson, Najib Ghadri, Pradeep Adatrow, Tomoko Fujiwara, Joel D Bumgardner
Electrospun chitosan membranes have been investigated for guided bone regeneration but are susceptible to swelling, dissolution, and loss of biomimetic nanofiber structure due to residual acid salts. A novel process was investigated for acidic salt removal from chitosan electrospun in 70% trifluoroacetic acid (TFA) by treating with triethylamine (TEA)/acetone and di-tert-butyl dicarbonate (tBOC) instead of the common Na2CO3 treatment. TFA salt removal and nanofiber structure stabilization were confirmed by EDS, FTIR, (19)F NMR and electron microscopy before and after soaking in water...
December 2, 2016: Biomedical Materials
https://www.readbyqxmd.com/read/27910541/research-on-the-best-measurement-situation-between-optical-probe-and-tissue-surfaces-in-non-invasive-detection
#13
Xuyao Yu, Rong Liu, Hui Yu, Jiao Wang, Jun Wang, Kexin Xu
Near-infrared spectroscopy is often used for the non-invasive detection of composition in the human body, such as that of blood glucose and haemoglobin, due to its high penetration depth into tissues. Although it is feasible to position the optical probe precisely, contact situation between probe and human tissues is a difficult problem to determine because of physiological tremor and mechanical performance of bio-soft tissue. Here, we proposed a novel estimation method for the situation between the optical probe and tissue surfaces based on the dynamic auto-correlation matrix of two-dimensional correlation spectroscopy (2DCOS) and radar chart...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910230/an-unusual-presentation-of-postaxial-polydactyly-of-the-foot
#14
Daniel López-López, Ricardo Becerro-de-Bengoa-Vallejo, Marta Elena Losa-Iglesias, Adolfo Laureano Bautista Casasnovas
A 6-month-old Caucasian baby is described with a postaxial polydactyly of the letf foot. Radiographic examination revealed the accessory digit was composed of soft tissue, some with a tiny osseous element, originated from around the metatarsophalangeal joint, defined by floating type (FT). The parents had consistent difficulty putting shoes. We encountered an exceedingly rare presentation of FT, to our inspection, had neither been previously related in published studies. To the best of our knowledge, this represents the unusual case of congenital deformity lesion on the left foot to be reported in the medical literature...
December 2, 2016: International Wound Journal
https://www.readbyqxmd.com/read/27910198/degradation-and-biocompatibility-of-photoembossed-plga-acrylate-blend-for-improved-cell-adhesion
#15
Nanayaa F Hughes-Brittain, Lin Qiu, Wen Wang, Ton Peijs, Cees W M Bastiaansen
We have shown previously that PMMA-acrylate photopolymers are biocomopatible and can exhibit improved cell adhesion compared to PMMA, due to an increase in negative surface charge caused by UV radiation PLGA has been used widely in soft tissue regeneration due to its high biocompatibility and cell adhesion. This polymer is also biodegradable and can be utilised in the field of vascular regeneration. In this study, PLGA is blended with a triacrylate monomer (TPETA) to create a degradable photopolymer blend. Surface relief structures are formed on this PLGA-TPETA by photoembossing...
December 2, 2016: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/27910171/results-of-computed-tomography-in-dogs-with-suspected-wooden-foreign-bodies
#16
Christopher R Lamb, Elizabeth H W Pope, Karla C L Lee
Detection of wooden foreign bodies in dogs can be challenging. A retrospective, cross-sectional study was done to describe computed tomographic (CT) signs associated with wooden foreign bodies, and to estimate the accuracy of CT for detection of wooden foreign bodies. Patient records and CT images were reviewed for 72 dogs that had a history of suspected stick injury and CT of the affected body part, or possible wooden foreign object reported on CT, and had surgical exploration during the same period of hospitalization...
December 1, 2016: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/27909861/surgical-reconstruction-for-fibular-hemimelia
#17
REVIEW
Dror Paley
Fibular hemimelia presents with foot deformity and leg length discrepancy. Previous classifications have focused on the degree of fibular deficiency rather than the type of foot deformity. Published methods of surgical reconstruction have often failed due to residual or recurrent foot deformity. The purpose of this report is to introduce new classification and reconstruction methods. The Paley SHORDT procedure is used to stabilize the ankle when there is a hypoplastic distal fibula with a dynamic valgus deformity...
December 1, 2016: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/27909818/presto-lift-a-facelift-that-preserves-the-retaining-ligaments-and-smas-tethering
#18
Wolfgang Funk
BACKGROUND: Producing youthful facial appearance by face-lifting often comes along with an undesired loss of patient's individual phenotype. This may result from insufficient preservation of retaining ligaments, the "guardians of facial identify," and from severance of the intersegmental connections of the superficial musculo-aponeurotic system (SMAS), which tether, structure, and compartmentalize facial soft tissue into defined, relevant anatomical zones. METHODS: The technique reported here preserves most retaining ligaments...
December 2, 2016: Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27909754/dual-plate-fixation-on-distal-third-diaphyseal-fracture-of-the-humerus
#19
Jun-Ku Lee, Yun-Sung Choi, Young-Suk Sim, Dae-Sung Choi, Soo-Hong Han
INTRODUCTION: Displaced unstable distal third fractures of the humeral diaphysis are treated surgically through open reduction and internal fixation. Conventionally, surgeons prefer using long plates for secure fixation; however, we performed short plate dual plating for robust fixation that required a smaller incision and less dissection through an anterior approach. In this study, we report the results of dual plating of fractures of the humeral shaft, with radiographic evidence and clinical analysis...
December 1, 2016: International Orthopaedics
https://www.readbyqxmd.com/read/27909727/anti%C3%A2-proliferative-activity-of-epigallocatechin%C3%A2-3%C3%A2-gallate-and-silibinin-on-soft-tissue-sarcoma-cells
#20
Kamran Harati, Björn Behr, Christoph Wallner, Adrien Daigeler, Tobias Hirsch, Frank Jacobsen, Marcus Renner, Ali Harati, Marcus Lehnhardt, Mustafa Becerikli
Disseminated soft tissue sarcomas (STS) present a therapeutic dilemma. The first-line cytostatic doxorubicin demonstrates a response rate of 30% and is not suitable for elderly patients with underlying cardiac disease, due to its cardiotoxicity. Well‑tolerated alternative treatment options, particularly in palliative situations, are rare. Therefore, the present study assessed the anti‑proliferative effects of the natural compounds epigallocatechin-3-gallate (EGCG), silibinin and noscapine on STS cells. A total of eight different human STS cell lines were used in the study: Fibrosarcoma (HT1080), liposarcoma (SW872, T778 and MLS‑402), synovial sarcoma (SW982, SYO1 and 1273) and pleomorphic sarcoma (U2197)...
November 28, 2016: Molecular Medicine Reports
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