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soft parts

A A Yarovoy, O V Golubeva, S S Kleyankina, T V Yanchenko
Juvenile xanthogranuloma (JX) is a benign growth of fibrohistiocytoma range that mainly affects children. The most frequent localization of the tumor is skin integument. Non-cutaneous forms of JX are found in 5-10% of cases; they are manifested as deep lesions of soft tissues, involvement of various organs (oropharynx, lungs, liver, spleen, pericardium, gastrointestinal tract, central nervous system, bone marrow) including the organ of vision. JX can develop in any part of the eye and its appendages. Taking into consideration how rare this pathology is, its diagnosis and treatment are complicated...
2018: Vestnik Oftalmologii
H Rahmati-Holasoo, M Soltani, M Masoudifard, S Shokrpoor, A Taheri Mirghaed, M Ahmadpoor
Abdominal distention occurred at an incidence of 1% (15 from 1500 fish) in the population of 1-year-old bester (Huso huso × Acipenser ruthenus). Computed tomography (CT) images and radiographs showed a soft tissue mass compressed the posterior part of the swim bladder. Ultrasonography showed that the masses had different patterns. Internal examination revealed the abdominal cavities to be filled with large masses which appeared to encompass most of the visceral organs, including the swim bladder. The masses originated from the posterior kidney...
March 15, 2018: Journal of Fish Diseases
Gordon Parker, Amelia Paterson, Mia Romano, Isabelle Granville Smith
OBJECTIVES: To increase awareness of the sensory changes experienced during hypo/manic and depressive states by those with a bipolar disorder and determine if the prevalence of such features is similar across differing bipolar sub-types. METHODS: We interviewed 66 patients who acknowledged sensory changes during hypo/manic states. They were allocated to bipolar I, bipolar II and soft bipolar diagnostic categories and the prevalence of 10 differing sensory changes was quantified during hypo/manic and depressive phases...
March 1, 2018: Australasian Psychiatry: Bulletin of Royal Australian and New Zealand College of Psychiatrists
Sajida Qureshi, Shahriyar Ghazanfar, Mohammad Saeed Quraishy, Roshane Rana
OBJECTIVE: To compare clinically relevant pancreatic fistula rates in patients with stented versus non-stented pancreatico-jejunostomies. METHODS: The randomised comparative clinical trial was conducted at Civil Hospital, Karachi, from September 2009 to August 2015, and comprised patients presenting to the Surgical Unit 4 with a diagnosis of resectable periampullary carcinoma, carcinoma of head of pancreas, duodenal carcinoma involving the second part, and distal cholangiocarcinomas...
March 2018: JPMA. the Journal of the Pakistan Medical Association
Sumit Agrawal, Nadine Schart-Morén, Wei Liu, Hanif M Ladak, Helge Rask-Andersen, Hao Li
OBJECTIVE: We used synchrotron radiation phase contrast imaging (SR-PCI) to study the 3D microanatomy of the basilar membrane (BM) and its attachment to the spiral ligament (SL) (with a conceivable secondary spiral lamina [SSL] or secondary spiral plate) at the round window membrane (RWM) in the human cochlea. The conception of this complex anatomy may be essential for accomplishing structural preservation at cochlear implant surgery. MATERIAL AND METHODS: Sixteen freshly fixed human temporal bones were used to reproduce the BM, SL, primary and secondary osseous spiral laminae (OSL), and RWM using volume-rendering software...
March 14, 2018: Upsala Journal of Medical Sciences
T Liu, F L Bao, S J Kang, T Jiang, D S Huang, W Gao, L J Geng, Y M Hu
Objective: To explore a standard procedure for the treatment of combined dorsal and palmar internal fixation for complex four part distal radius fractures and assess its clinical results. Methods: From May 2009 to October 2016, 38 patients(39 sides)who suffered from complex four part distal radius fractures were performed operatively with open reduction and internal fixation via combined dorsal and palmar approach in Department of Orthopaedic Trauma, Qilu Hospital of Shandong University(Qingdao). The series included 22 males(22 sides) and 16 females(17 sides)...
March 1, 2018: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
Xavier García Del Muro, Joan Maurel, Javier Martínez Trufero, Javier Lavernia, Antonio López Pousa, Ramón de Las Peñas, Ricardo Cubedo, José Pablo Berros, Antonio Casado Herráez, Ana de Juan, Javier Martín Broto
Background Sorafenib is a potent targeted-therapy that blockades angiogenesis and has demonstrated activity against some sarcoma subtypes. Preclinical studies suggested that treatment with sorafenib plus cytotoxic agents could result in additive efficacy. Methods Patients with advanced soft tissue sarcoma, with or without anthracycline pretreatment were included. Patients received oral sorafenib 400 mg twice daily starting on Day +2, ifosfamide 2.0 g/m2 iv infusion lasting 4 h on days 1, 2 and 3 with concurrent mesna 400 mg/m2 every three weeks until disease progression or unacceptable toxicity or up to a maximum of 6 cycles of ifosfamide (sorafenib could be continued until progressive disease or unacceptable toxicity)...
March 12, 2018: Investigational New Drugs
John S Berriman, Ryan A Ellingson, Jaymes D Awbrey, Diane M Rico, Ángel A Valdés, Nerida G Wilson, Andres Aguilar, David G Herbert, Yayoi M Hirano, Cynthia D Trowbridge, Patrick J Krug
Predicting biotic resistance to highly invasive strains of "killer algae" (Caulerpa spp.) requires understanding the diversity and feeding preferences of native consumers, including sea slugs in family Oxynoidae. Past studies reported low algal host specificity for Oxynoe (6 spp.) and Lobiger (4 spp.), but these taxonomically challenging slugs may represent species complexes of unrecognized specialists that prefer different Caulerpa spp. Here, we assess global diversity of these genera by integrating gene sequences with morphological data from microscopic teeth and internal shells, the only hard parts in these soft-bodied invertebrates...
March 7, 2018: Molecular Phylogenetics and Evolution
Marta Kierzkowska, Piotr Pędzisz, Ireneusz Babiak, Jakub Janowicz, Mateusz Kulig, Anna Majewska, Anna Sawicka-Grzelak, Grażyna Młynarczyk
Most Clostridium species are part of saprophytic microflora in humans and animals; however, some are well-known human pathogens. We presented the challenges in identifying the Clostridium species isolated from a patient with an infected open dislocation of the proximal interphalangeal joint of the fourth digit of the right hand. The clinical materials were intraoperative samples collected from a patient diagnosed with an injury-related infection, with soft tissue loss and tendon sheath involvement. The available biochemical, molecular, and genetic techniques were used in identifying the isolated bacteria...
March 9, 2018: Folia Microbiologica
D Seybold, T A Schildhauer, J Geßmann
BACKGROUND: Bony defect situations are a common problem in revision arthroplasty of the shoulder and are the cause of the complexity of the procedure. Aseptic and septic loosening as well as difficult implant removal can result in humeral and/or glenoid bone loss. PLANNING: A careful preoperative imaging is needed to estimate the extent of the bony defect and to enable precise planning of the bone reconstruction and the required implants. However, the size of the defect needs to be re-evaluated intraoperatively after removal of the implant components and any larger defects have to be addressed appropriately...
March 7, 2018: Der Orthopäde
Andreas Panagopoulos, Irini Tatani, Seferlis Yannis, Bavelou Aikaterini, Antonis Kouzelis, Minos Tyllianakis, Panayotis Dimakopoulos
Background: The valgus-impacted (VI) 4-part fractures are a subset of fractures of the proximal humerus with a unique anatomic configuration characterized by a relatively lower incidence of avascular necrosis after operative intervention. Objectives: The present study reports the midterm clinical and radiological results of a large series of consecutive patients with 4-part VI fractures treated with a minimal invasive technique of internal fixation. Methods: Over a ten-year period (2004-2014), we treated 56 patients with a true 4-part valgus impacted fracture of the proximal part of the humerus...
2018: Open Orthopaedics Journal
Eric R Wagner, Joshua Parry, Mahrokh Dadsetan, Dalibel Bravo, Scott M Riester, Andre J Van Wijnen, Michael J Yaszemski, Sanjeev Kakar
PURPOSE: Revascularization of natural and synthetic scaffolds is a critical part of the scaffold's incorporation and tissue ingrowth. Our goals were to create a biocompatible polymer scaffold with 3D-printing technology, capable of sustaining vascularization and tissue ingrowth. METHODS: We synthesized biodegradable polycaprolactone fumarate (PCLF) scaffolds to allow tissue ingrowth via large interconnected pores. The scaffolds were prepared with Poly(lactic-co-glycolic acid)(PLGA) microspheres seeded with or without different growth factors including VEGF,FGF-2, and/or BMP-2...
March 7, 2018: Connective Tissue Research
Kenji Nakano, Shunji Takahashi
Systemic treatment options for bone and soft tissue sarcomas remained unchanged until the 2000s. These cancers presented challenges in new drug development partly because of their rarity and heterogeneity. Many new molecular targeting drugs have been tried in the 2010s, and some were approved for bone and soft tissue sarcoma. As one of the first molecular targeted drugs approved for solid malignant tumors, imatinib's approval as a treatment for gastrointestinal stromal tumors (GISTs) has been a great achievement...
March 5, 2018: International Journal of Molecular Sciences
Adam Wang, Alexander Maslowski, Philippe Messmer, Mathias Lehmann, Adam Strzelecki, Elaine Yu, Pascal Paysan, Marcus Brehm, Peter Munro, Josh Star-Lack, Dieter Seghers
PURPOSE: To correct for scatter in kV cone-beam CT (CBCT) projection data on a clinical system using a new tool, Acuros® CTS, that estimates scatter images rapidly and accurately by deterministically solving the linear Boltzmann transport equation. METHODS: Phantom and patient CBCT scans were acquired on TrueBeam® radiotherapy machines. A first-pass reconstruction was used to create water and bone density maps of the imaged object, which was updated to include a more accurate representation of the patient couch...
March 6, 2018: Medical Physics
Giovanni Zucchelli, Sharma Praveen, Ilham Mounssif
Periodontal plastic surgery comprises an increasing part of clinical periodontology. Clinical trials have traditionally used professionals to judge esthetic outcome, and few studies have addressed patient needs and requests (true end points). Development of universally accepted and validated methods for professional esthetic assessment, together with standardized questionnaires for patient-perceived outcome, may help to provide better insights into the true needs and benefits of periodontal and implant-associated plastic surgery...
March 5, 2018: Periodontology 2000
Loshini S Dandeniyage, Raju Adhikari, Mark Bown, Robert Shanks, Benu Adhikari, Christopher D Easton, Thomas R Gengenbach, David Cookson, Pathiraja A Gunatillake
A series of siloxane poly(urethane-urea) (SiPUU) were developed by incorporating a macrodiol linked with a diisocyanate to enhance mixing of hard and soft segments (SS). The effect of this modification on morphology, surface properties, surface elemental composition, and creep resistance was investigated. The linked macrodiol was prepared by reacting α,ω-bis(6-hydroxyethoxypropyl) poly(dimethylsiloxane)(PDMS) or poly(hexamethylene oxide) (PHMO) with either 4,4'-methylenediphenyl diisocyanate (MDI), hexamethylene diisocyanate (HDI), or isophorone diisocyanate (IPDI)...
March 4, 2018: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
Joe Bennett
A testing methodology was developed to expose photopolymer resins and measure the cured material to determine two key parameters related to the photopolymerization process: Ec (critical energy to initiate polymerization) and Dp (penetration depth of curing light). Five commercially available resins were evaluated under exposure from 365 nm and 405 nm light at varying power densities and energies. Three different methods for determining the thickness of the cured resin were evaluated. Caliper measurements, stylus profilometry, and confocal laser scanning microscopy showed similar results for hard materials while caliper measurement of a soft, elastomeric material proved inaccurate...
December 2017: Additive Manufacturing
M Bohnsack
OBJECTIVE: Complete arthroscopic decompression of the impinging subspinal soft tissues and resection of the hypertrophic bone formation between the anterior hip capsule and the anterior inferior iliac spine (AIIS) or decompression of a hypertrophic AIIS. INDICATIONS: Painful anterior hip impingement and decreased hip flexion following a hypertrophic osseous subspinal deformation. CONTRAINDICATIONS: No clinical symptoms or decreased anterior hip function despite radiological osseous subspinal hip impingement...
March 2, 2018: Operative Orthopädie und Traumatologie
Taylor Ibelli, Sarah Templeton, Nicole Levi-Polyachenko
Recovery from systemic or local bacterial infections can be lengthy and costly, with the clinical challenges being further complicated when bacteria acquire resistance to current antibiotics. Hyperthermia offers new mechanisms for removing bacteria via ablation, or sensitising them to chemical agents. The first part of this review provides a background on the bacterial biofilms, their response to hyperthermia, and acquired resistance to antibiotics, followed by the clinical challenges they present in managing infections associated with soft tissues and biomedical implants...
March 2018: International Journal of Hyperthermia
Ronald E Jung, Lisa Heitz-Mayfield, Frank Schwarz
OBJECTIVES: Working Group 2 at the 2nd Consensus Meeting of the Osteology Foundation had a focus on the influence of vertical implant placement on papilla height at single implants adjacent to teeth and on the inter-implant mucosa fill at two adjacent implants in the anterior maxilla. MATERIALS AND METHODS: Two systematic reviews were prepared in advance of the consensus meeting. Due to the heterogeneity among the studies with regard to study design, study population, method of assessment, meta-analyses were not possible...
March 2018: Clinical Oral Implants Research
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