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https://www.readbyqxmd.com/read/28731304/complex-formation-of-lead-ii-with-nucleotides-and-their-constituents
#1
Astrid Sigel, Bert P Operschall, Helmut Sigel
Lead is widely distributed in the environment; it is known to mankind for thousands of years and its toxicity is nowadays (again) well recognized, though on the molecular level only partly understood. One of the reasons for this shortcoming is that the coordination chemistry of the biologically important lead(II) is complicated due to the various coordination numbers it can adopt (CN = 4 to 10) as well as by the 6s2 electron lone pair which, with CN = 4, can shield one side of the Pb2+ coordination sphere. The chapter focuses on the properties of Pb2+ complexes formed with nucleotides and their constituents and derivatives...
April 10, 2017: Metal Ions in Life Sciences
https://www.readbyqxmd.com/read/28730250/metastatic-high-grade-myxofibrosarcoma-review-of-a-clinical-case
#2
Tiberiu Paul Neagu, Ruxandra Diana Sinescu, Valentin Enache, Sanda Claudia Achim, Mirela Ţigliş, Liliana Elena Mirea
We present the particular clinical and histological features of a metastatic high-grade myxofibrosarcoma (MFS) of the left buttock in a 77-year-old male patient. The tumor was biopsied and surgically removed in order to increase the patient's comfort, due to its increased size and aggressive clinical behavior. Computed tomography (CT) revealed metastases in the pleura and mediastinal lymph nodes, so limb-sparing tumor excision followed by palliative care was the best practice for the patient until the fatal outcome...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28725269/musculoskeletal-echinococcus-infection-as-a-rare-first-presentation-of-hydatid-disease-case-report
#3
A Marzouki, A Naam, S Abdulrazak, B Soumaré, K Lahrach, F Boutayeb
BACKGROUND: Hydatid disease (HD) is a cosmopolitan parasitosis caused by Echinococcus granulosus that can potentially affect any part of the human body. Liver and lungs are the most frequent localizations. Primary musculoskeletal hydatidosis are seldom reported in literature and their incidence is unknown. CASE PRESENTATION: We deem interesting to report a case of a primary hydatid cyst in a 25-year-old patient who presented with a painful swelling of the right elbow...
2017: Patient Safety in Surgery
https://www.readbyqxmd.com/read/28724849/the-ilizarov-mini-external-fixator-for-the-treatment-of-first-metatarsal-fracture-a-case-report
#4
Tatsunori Kataoka, Norie Kodera, Shinro Takai
Forefoot fractures are frequently accompanied by severe soft tissue damage. Therefore, treatment should focus not only on fractures but also on soft tissue damage, for which external fixation can be used as a surgical option. A 63-year-old woman presented to the emergency clinic of our hospital with forefoot pain after a motorcycle accident. Comminuted fracture of the proximal part of the metatarsal was diagnosed. Because of the swollen foot and fracture comminution, an operation using the Ilizarov mini external fixator was performed to prevent further damage to the soft tissue...
2017: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
https://www.readbyqxmd.com/read/28721556/using-taphonomy-to-infer-differences-in-soft-tissues-between-taxa-an-example-using-basal-and-derived-forms-of-solnhofen-pterosaurs
#5
S R Beardmore, E Lawlor, D W E Hone
In fossilised vertebrates, the presence of soft tissues is the most obvious way to determine aspects of anatomy and functional morphology; however, occurrences are rare and other lines of evidence must be sought to indicate its extent and strength. For example, pterosaurs possessed a large wing membrane that enabled powered flight but other tissues are not widely preserved. A semi-quantitative analysis comparing skeletal articulation and completeness of the pterodactyloid Pterodactylus and non-pterodactyloid pterosaur Rhamphorhynchus from Solnhofen-type deposits implies there were anatomical differences between soft-tissue structure and attachments articulating skeletal joints of each...
August 2017: Die Naturwissenschaften
https://www.readbyqxmd.com/read/28721475/epithelioid-hemangioma-of-bone-radiologic-and-magnetic-resonance-imaging-characteristics-with-histopathological-correlation
#6
Kathleen Schenker, Steven Blumer, Diego Jaramillo, Amanda L Treece, Aashim Bhatia
BACKGROUND: Epithelioid hemangioma is a rare vascular tumor that can occur in soft tissues or bone. The tumor is part of a spectrum of vascular tumors that also includes epithelioid hemangioendothelioma and angiosarcoma. When involving the bone, the tumor usually involves the metaphysis or diaphysis of the long tubular bones and most commonly occurs in adults. It has been rarely reported in pediatric patients, and in these reported patients, the tumor primarily involves the epiphysis...
July 18, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28716695/the-nugget-design-a-modified-segmental-gracilis-free-flap-for-small-sized-defect-reconstruction-on-the-lower-extremity
#7
M Tremp, C M Oranges, W J Wang, R Wettstein, Y X Zhang, D J Schaefer, D F Kalbermatten
BACKGROUND: Little attention has been given to the segmental free gracilis muscle flap supplied by secondary proximal pedicles. We introduce a technical refinement for small-sized three-dimensional defect reconstruction on the foot. METHODS: Between November 2013 and August 2016, three patients with a mean age of 66 years (range 47-70 years) were included. A segmental gracilis free flap supplied by the most proximal secondary pedicle was harvested according to a modified "nugget design" to treat small-sized defects on the lower extremity requiring dead space reconstruction...
July 8, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28714133/tilted-pillar-array-fabrication-by-the-combination-of-proton-beam-writing-and-soft-lithography-for-microfluidic-cell-capture-part-2-image-sequence-analysis-based-evaluation-and-biological-application
#8
Gabor Járvás, Tamas Varga, Marton G Szigeti, Laszlo Hajba, Peter Fürjes, Istvan Rajta, Andras Guttman
As a continuation of our previously published work, this paper presents a detailed evaluation of a microfabricated cell capture device utilizing a doubly tilted micropillar array. The device was fabricated using a novel hybrid technology based on the combination of proton beam writing and conventional lithography techniques. Tilted pillars offer unique flow characteristics and support enhanced fluidic interaction for improved immuno-affinity based cell capture. The performance of the microdevice was evaluated by an image sequence analysis based in-house developed single cell tracking system...
July 17, 2017: Electrophoresis
https://www.readbyqxmd.com/read/28713904/bisphosphonate-inhibits-the-expression-of-cyclin%C3%A2-a2-at-the-transcriptional-level-in-normal-human-oral-keratinocytes
#9
Rachel S Lee, Suhjin Sohn, Ki-Hyuk Shin, Mo K Kang, No-Hee Park, Reuben H Kim
Nitrogen-containing bisphosphonates (N-BPs) are the most widely used anti-resorptive agents in the treatment of bone-related diseases. N-BPs inhibit bone resorption by specifically targeting osteoclasts, bone-resorbing cells. However, soft tissue toxicity, such as oral or gastrointestinal (GI) ulcerations has frequently been reported in N-BP users, suggesting that N-BPs may also directly target cells other than osteoclasts. Previously, we reported that BPs inhibit proliferation without inducing the apoptosis of normal human oral keratinocytes (NHOKs)...
July 12, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28711129/care-of-infectious-conditions-in-an-observation-unit
#10
REVIEW
Pawan Suri, Taruna K Aurora
Infectious conditions such as skin and soft tissue infections (SSTIs), Urogenital infections and peritonsillar abscesses frequently require care beyond emergency stabilization and are well-suited for short term care in an observation unit. SSTIs are a growing problem, partly due to emergence of strains of methicillin-resistant S. aureus (MRSA). Antibiotic choice is guided by the presence of purulence and site of infection. Purulent cellulitis is much more likely to be associated with MRSA. Radiographic imaging should be considered to aid in management in patients who are immunosuppressed, have persistent symptoms despite antibiotic therapy, recurrent infections, sepsis or diabetes...
August 2017: Emergency Medicine Clinics of North America
https://www.readbyqxmd.com/read/28710670/management-of-proximal-humeral-fractures-by-the-ilizarov-external-fixator
#11
Mohammed Anter Meselhy, Mohamed Salah Singer
INTRODUCTION: External fixation can be performed in poor bone and soft tissue conditions, and can be used in patients with poor general conditions or multiple injuries as a rapid, mini-invasive procedure. The purpose of the current study was to evaluate the effectiveness and safety of the Ilizarov external fixator in the management of proximal humeral fractures. MATERIALS AND METHODS: Between May 2011 and December 2013, 14 patients with displaced proximal humeral fractures were enrolled in the current study...
July 14, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28709754/nondestructive-mechanical-characterization-of-developing-biological-tissues-using-inflation-testing
#12
P J A Oomen, M A J van Kelle, C W J Oomens, C V C Bouten, S Loerakker
One of the hallmarks of biological soft tissues is their capacity to grow and remodel in response to changes in their environment. Although it is well-accepted that these processes occur at least partly to maintain a mechanical homeostasis, it remains unclear which mechanical constituent(s) determine(s) mechanical homeostasis. In the current study a nondestructive mechanical test and a two-step inverse analysis method were developed and validated to nondestructively estimate the mechanical properties of biological tissue during tissue culture...
July 5, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28709485/biofilm-colonization-of-mycobacterium-abscessus-new-threat-in-hospital-acquired-surgical-site-infection
#13
Roumi Ghosh, Soumen Das, Harish Kela, Asmita De, Jayeeta Haldar, Prasanta Kumar Maiti
INTRODUCTION: Rapidly growing non-tuberculous mycobacteria (NTM) are hazardous cause of post-operative soft tissue infection leading to nosocomial outbreaks following various surgical procedures, especially laparoscopic surgeries using heat sensitive, non-autoclavable surgical instruments. METHODOLOGY: Surgery department of our hospital noticed increase in rate of post-laparoscopic abdominal port site infection (PSI) and informed the Microbiology Department. A prospective investigational study of defined cases with the aim of source tracing and formulation of infection control measures was initiated...
July 2017: Indian Journal of Tuberculosis
https://www.readbyqxmd.com/read/28706924/abdominal-aortic-aneurysm-pictorial-review-of-common-appearances-and-complications
#14
REVIEW
Yogesh Kumar, Kusum Hooda, Shuo Li, Pradeep Goyal, Nishant Gupta, Melkamu Adeb
Abdominal aortic aneurysms (AAAs) are defined as focal dilatations of the abdominal aorta that are 50% greater than the proximal normal segment or when it is more than 3 cm in maximum diameter. The early diagnosis and treatment is very important to prevent catastrophic complications. Due to its ability to assess the peri-aortic soft tissue and the exact extension of aneurysm, as well as its excellent vascular opacification and multiplanar reconstruction capabilities, computed tomography angiography (CTA) has become an integral part of the evaluation of AAA and has virtually replaced conventional angiography for the evaluation of AAA...
June 2017: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28706396/an-atypical-presentation-of-alveolar-soft-part-sarcoma-of-tongue
#15
Neha Chopra, Nadeem Tanveer
No abstract text is available yet for this article.
July 2017: Journal of Laboratory Physicians
https://www.readbyqxmd.com/read/28704300/postinfectious-heterotopic-ossification-of-the-ilium-involving-the-iliacus-muscle
#16
Ferdhany Muhamad Effendi, Yunjin Nam, Chang Ho Shin, Tae-Joon Cho, Won Joon Yoo, Jung-Eun Cheon, In Ho Choi
Heterotopic ossification in soft tissue or muscle is rare in the pediatric and adolescent age group. Most cases are associated with musculoskeletal injury and trauma to the central nervous system. Here, we describe an adolescent patient without a history of trauma or lesions in the central nervous system who presented with a painful limp with limited motion of the left hip. Investigations indicated unusually large heterotopic ossification extending from the inner aspect of the ilium down to the anterior part of the hip, highly likely to have developed after an unrecognized periacetabular pyomyositis primarily involving the iliacus muscle...
July 12, 2017: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/28703085/contribution-of-ultra-processed-foods-in-the-diet-of-adults-from-the-french-nutrinet-sant%C3%A3-study
#17
Chantal Julia, Lucien Martinez, Benjamin Allès, Mathilde Touvier, Serge Hercberg, Caroline Méjean, Emmanuelle Kesse-Guyot
OBJECTIVE: Concerns have been raised about the potential health impact of ultra-processed foods (UPF) in the diet. Our objective was to investigate the contribution of UPF in the diet in a large French population and its association with sociodemographic factors and dietary patterns. DESIGN: Cross-sectional analysis of dietary data from 74 470 participants in the web-based NutriNet-Santé cohort. UPF were identified in repeated 24 h records and the proportion (in weight) of UPF in the total diet (UPFp) was computed for each participant...
July 13, 2017: Public Health Nutrition
https://www.readbyqxmd.com/read/28702400/sarcomatous-transformation-of-a-hemosiderotic-fibrohistiocytic-lipomatous-tumor-a-case-report
#18
Renata Margarida Etchebehere, Elia Cláudia Souza Almeida, Carlos David Teixeira Santos, Adilha Misson Rua Micheletti, Antônio Sebastião Leitão
Hemosiderotic fibrohistiocytic lipomatous tumors are rare neoplasms that were first described in 2000. Initially considered a benign lipotamous lesion of the soft tissues, nowadays they are considered to be a locally aggressive tumor. They occur mainly in the foot and ankle of women in their fifth and sixth decades, although they may be found in any place in the lower limbs and, more rarely, in other parts of the body. Histologically, hemosiderotic fibrohistiocytic lipomatous tumors consist of a mixture of mature adipose tissue, fusiform cell fascicles, macrophages that often contain cytoplasmic hemosiderin, mononuclear inflammatory infiltrate, and stroma that may be focally myxoid...
May 2017: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28700258/progressive-orbital-granular-cell-tumour-associated-with-medial-rectus
#19
David Yang, Sally McLaren, Chris Van Vliet, Jean-Louis deSousa, Adam Gajdatsy
Granular cell tumour is a rare soft tissue tumour that can occur in any part of the body, but seldom in ocular adnexa. It usually behaves in a benign fashion. We report a case of a 54-year-old man with a well-demarcated, solitary, slow-growing orbital tumour which lead to significant ocular symptoms. The case was a diagnostic and therapeutic challenge due to its location and difficulty in obtaining tissue for a histological diagnosis. Surgical biopsy attempts were made but they all failed to uncover the true identity of the lesion...
July 12, 2017: Orbit
https://www.readbyqxmd.com/read/28698831/effectiveness-of-reverse-sural-artery-flap-in-the-management-of-wheel-spoke-injuries-of-the-heel
#20
Hafiz U Farooq, Rizwan Ishtiaq, Shabana Mehr, Sadia Ayub, Umer H Chaudhry, Anam Ashraf
OBJECTIVE: Soft tissue injuries at the level of lower extremities, plantar, and dorsal foot pose a surgical challenge for reconstructive surgeons. This kind of injury commonly occurs when lower limbs get stuck in between the spokes of the wheel. Reverse sural artery flap has been proven to be an effective option to cover such defects. The aim of this study is to analyze the demographic variables of affected individuals, technical aspects of reverse sural artery flap, quantify the effectiveness of reverse sural artery flap among various treatment options available, and to study the outcome of injury...
June 10, 2017: Curēus
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