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https://www.readbyqxmd.com/read/28647521/heterotopic-ossification-of-the-peroneus-brevis-tendon-in-a-pediatric-patient
#1
Karan Dua, James M Barsi
Heterotopic ossification (HO) is abnormal formation of mature lamellar bone in soft tissues. HO is most commonly diagnosed in the setting of localized trauma, which results in improper differentiation of progenitor cells, leading to aberrant tissue formation. In the pediatric population, nongenetic causes of HO have rarely been reported, especially HO involving the tendons of the ankle. We present a case of HO of the peroneus brevis tendon without systemic disease in a pediatric patient. The patient was a 7-year-old female with a normal birth and developmental history who first presented 6 weeks after a right ankle sprain with pain localized to the lateral calcaneus...
June 21, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28646953/nontuberculous-mycobacterial-disease-in-childhood-update-on-diagnostic-approaches-and-treatment
#2
Petra Zimmermann, Nigel Curtis, Marc Tebruegge
Recent studies suggest that the incidence of nontuberculous mycobacterial infections in children may be increasing. Nontuberculous mycobacterial lymphadenitis, skin and soft tissue infection, and pulmonary disease each present unique challenges in relation to diagnosis and treatment. In this update, we critically review the recent literature on the epidemiology, clinical features, diagnostic approaches and treatment of nontuberculous mycobacterial disease in children. In addition, we outline key areas warranting further research...
June 2017: Journal of Infection
https://www.readbyqxmd.com/read/28644188/surgical-techniques-for-total-knee-arthroplasty-measured-resection-gap-balancing-and-hybrid
#3
Neil P Sheth, Adeel Husain, Charles Lenwood Nelson
Total knee arthroplasty (TKA) is effective in managing end-stage degenerative joint disease. Achieving favorable clinical outcomes is predicated on proper implant alignment, sizing, and rotation as well as adequate soft-tissue balancing. Modern TKA implants are designed to address the fundamental needs of attaining stability in both flexion and extension and of optimizing patellar tracking. Measured resection and gap balancing are the two different techniques used to implant the TKA components used today. Both techniques have been validated as durable and successful, and each has unique advantages and disadvantages...
July 2017: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/28643747/leiomyosarcoma-of-scrotum-a-rare-in-field-second-malignancy-in-a-previously-irradiated-carcinoma-of-prostate-and-review-of-literature
#4
Chelakkot G Prameela, Rahul Ravind
BACKGROUND: Curative intent treatments for malignancies using radiation therapy while achieving longer disease-free survivals, may also lead to solid second malignancies, a dreaded late complication. Both in-field as well as out-field second malignancies are encountered and lead to diagnostic dilemma, and delay in treatment. MATERIALS AND METHODS: Details of a case of rare, in-field, radiation induced leiomyosarcoma, a rare soft tissue sarcoma, in a treated case of high risk carcinoma of prostate, who presented to our tertiary care centre was retrieved and analysed...
April 2017: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28643081/distraction-osteogenesis-reconstruction-of-large-segmental-bone-defects-after-primary-tumor-resection-pitfalls-and-benefits
#5
REVIEW
Jan Lesensky, Daniel E Prince
Successful cure is achieved in almost 70% of patients with primary bone sarcomas with currently available therapies. Some soft tissue sarcomas require wide bone resection in order to achieve appropriate margins for cure of disease, and patients undergoing these procedures need durable reconstruction. Biological reconstruction has been shown to provide patients with superior long-term results over other alternatives. Distraction osteogenesis is well studied in the correction of deformities as well as in addressing some congenital musculoskeletal pathologies...
June 22, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28642756/high-prevalence-of-macrolide-resistance-and-molecular-characterization-of-streptococcus-pyogenes-isolates-circulating-in-china-from-2009-to-2016
#6
Binghuai Lu, Yujie Fang, Yanyan Fan, Xingchun Chen, Junrui Wang, Ji Zeng, Yi Li, Zhijun Zhang, Lei Huang, Hongxia Li, Dong Li, Fengxia Zhu, Yanchao Cui, Duochun Wang
Streptococcus pyogenes, or group A Streptococcus, is a pathogen responsible for a wide range of clinical manifestations, from mild skin and soft tissue infections and pharyngitis to severe diseases. Its epidemiological characteristics should be comprehensively under surveillance for regulating the national prevention and treatment practice. Herein, a total of 140 S. pyogenes, including 38 invasive and 102 noninvasive isolates, were collected from infected patients in 10 tertiary general hospitals from 7 cities/provinces in China during the years 2009-2016...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28641639/-clinical-features-and-response-to-treatment-in-newly-diagnosed-multiple-myeloma-patients-with-deletion-17p
#7
Yan Liu, Xiao-Yan Ke, Jing Wang, Yan-Fang Wang, Fei Dong, Lei Tian, Wei Wan, Hong-Mei Jing
OBJECTIVE: To investigate the clinical features and response to therapies in multiple myeloma (MM) patients with del (17p). METHODS: A total of 122 newly diagnosed MM patients hospitalized in the Department of Hematology of Peking University Third Hospital between October 2012 and September 2016 were analyzed retrospectively. The fluorescent in situ hybridization(FISH) and G-binding staining were used for detection of cytogenetic abnormalities. These MM patients with del (17p) were divided into non-bortezomib chemotherapy (VAD or CHOP) group and bortezomib chemotherapy (PAD or PCD) group...
June 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28641554/future-of-spermatogonial-stem-cell-culture-application-of-nanofiber-scaffolds
#8
Azar Shams, Neda Eslahi, Mansoureh Movahedin, Fariborz Izadyar, Hamidreza Asgari, Morteza Koruji
The spermatogonial stem cells (SSCs) are unique in mammals because they can transmit genetic information from generation to generation and it is of significant importance. In testes, Sertoli cells, peritubular myoid cells, Leydig cells and other interstitial cells contribute to the spermatogonial stem cell "niche". So, creation of niche in in vitro condition that mimics in vivo environment is essential to maintain functional characteristic of SSCs. Nanofiber matrices mimic the architecture and size scale of the natural extracellular matrix (ECM)...
June 22, 2017: Current Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28640064/predictors-of-local-recurrence-in-patients-with-myxofibrosarcoma
#9
Bismarck Odei, Jean-Claude Rwigema, Frederick R Eilber, Fritz C Eilber, Michael Selch, Arun Singh, Bartosz Chmielowski, Scott D Nelson, Pin-Chieh Wang, Michael Steinberg, Mitchell Kamrava
OBJECTIVES: Myxofibrosarcoma (MFS) is reported to have a higher risk of local recurrence (LR) following definitive surgical excision relative to other soft tissue sarcomas. We reviewed our clinical experience treating MFS to investigate predictors of LR. MATERIALS AND METHODS: We retrospectively reviewed treatment outcomes for MFS patients treated at our institution between 1999 and 2015. A total of 52 patients were identified. Median age was 65 years (range, 21 to 86 y)...
June 20, 2017: American Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28638562/a-rare-case-of-oral-multisystem-langerhans-cell-histiocytosis
#10
Maria-Teresa Facciolo, Francesco Riva, Patrizia Gallenzi, Romeo Patini, Domenico Gaglioti
Langerhans cell histiocytosis (LCH) is a rare disorder characterized by high proliferation of Langerhans dendritic cells. LCH is a solitary or multifocal disease that primarily involves bone tissue and often affects children and young men. A 29 years-old Caucasian man was referred to the Oral Surgery Unit of George Eastman Hospital - Umberto I teaching hospital, with third degree mobility of teeth belonging to second, third and fourth quadrant. Panoramic radiograph showed multiple radiolucent areas with well demarcated borders on the right and left site of the mandible and on the left site of the maxilla...
June 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28637274/association-of-bariatric-surgery-with-risk-of-infectious-diseases-a-self-controlled-case-series-analysis
#11
Tadahiro Goto, Atsushi Hirayama, Mohammad Kamal Faridi, Carlos A Camargo, Kohei Hasegawa
Background: Although emerging data demonstrate that obesity is a risk factor for infectious diseases, no study has investigated the relationship of bariatric surgery with the risk of infectious diseases among obese adults. Methods: We conducted a self-controlled case series analysis using data from the State Emergency Department Database and State Inpatient Database of three US states (California, Florida, and Nebraska) from 2005 through 2011. We included obese adults who underwent bariatric surgery as an instrument of weight reduction...
June 16, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28633901/patient-ethnicity-and-causative-species-determine-the-manifestations-of-anti-interferon-gamma-autoantibody-associated-nontuberculous-mycobacterial-disease-a-review
#12
REVIEW
Isano Hase, Kozo Morimoto, Takuro Sakagami, Yoshiki Ishii, Jakko van Ingen
Nontuberculous mycobacteria (NTM) infections involving anti-interferon-gamma (IFN-γ)-neutralizing autoantibodies have been described in previously immunocompetent adults. To investigate the factors underlying various disease manifestations, we reviewed 35 articles published between January 2004 and November 2016 and identified 111 NTM patients with anti-IFN-γ autoantibodies. Rapidly growing mycobacteria (RGM) accounted for 53% of the isolated species. RGM were predominant among the NTM species isolated from Thai (73%), Chinese (58%) and Filipino (56%) patients, whereas M...
May 18, 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/28630894/next-generation-probes-particles-and-proteins-for-neural-interfacing
#13
REVIEW
Jonathan Rivnay, Huiliang Wang, Lief Fenno, Karl Deisseroth, George G Malliaras
Bidirectional interfacing with the nervous system enables neuroscience research, diagnosis, and therapy. This two-way communication allows us to monitor the state of the brain and its composite networks and cells as well as to influence them to treat disease or repair/restore sensory or motor function. To provide the most stable and effective interface, the tools of the trade must bridge the soft, ion-rich, and evolving nature of neural tissue with the largely rigid, static realm of microelectronics and medical instruments that allow for readout, analysis, and/or control...
June 2017: Science Advances
https://www.readbyqxmd.com/read/28630759/the-adult-cavus-foot
#14
Carlos Maynou, Christophe Szymanski, Alexis Thiounn
Cavovarus deformity can be classified by the severity of malalignment ranging from a subtle and flexible to a severe and fixed cavovarus deformity of the foot.In the mild cavovarus foot, careful clinical assessment is required to identify the deformity.Weight-bearing radiographs are necessary to indicate the apex of the deformity and quantify the correction required.Surgery is performed when conservative measures fail and various surgical procedures have been described, including a combination of soft-tissue releases, tendon transfers and osteotomies, all with the aim of achieving a plantigrade and balanced foot...
May 2017: EFORT open reviews
https://www.readbyqxmd.com/read/28629991/physical-activity-and-sedentary-behaviour-subsequent-to-serious-orthopaedic-injury-a-systematic-review
#15
REVIEW
Christina L Ekegren, Ben Beck, Rachel E D Climie, Neville Owen, David W Dunstan, Belinda J Gabbe
OBJECTIVE: To systematically review and synthesise the evidence on physical activity and sedentary behaviour following serious orthopaedic injury. DATA SOURCES: Eight electronic databases and reference lists of relevant articles were searched from inception to March 2016. STUDY SELECTION: Studies on physical activity and sedentary behaviour measured objectively or via self-report among patients with serious orthopaedic injury (acute bone or soft-tissue injury requiring emergency hospital admission and/or non-elective surgery) were included...
June 16, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28628457/clonal-clusters-and-virulence-factors-of-group-c-and-g-streptococcus-causing-severe-infections-manitoba-canada-2012-2014
#16
Sylvain A Lother, Walter Demczuk, Irene Martin, Michael Mulvey, Brenden Dufault, Philippe Lagacé-Wiens, Yoav Keynan
The incidence of group C and G Streptococcus (GCGS) bacteremia, which is associated with severe disease and death, is increasing. We characterized clinical features, outcomes, and genetic determinants of GCGS bacteremia for 89 patients in Winnipeg, Manitoba, Canada, who had GCGS bacteremia during 2012-2014. Of the 89 patients, 51% had bacteremia from skin and soft tissue, 70% had severe disease features, and 20% died. Whole-genome sequencing analysis was performed on isolates derived from 89 blood samples and 33 respiratory sample controls: 5 closely related genetic lineages were identified as being more likely to cause invasive disease than non-clade isolates (83% vs...
July 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28628354/soft-tissue-enhancement-and-implant-placement-following-partial-mandibulectomy-due-to-squamous-cell-carcinoma
#17
Fabio Bernardello, Giampietro Bertasi, Ralph Mackey Powers, Sergio Spinato, Andrea Viaggi, Jimmie Bullock, Pietro Felice
Many dental procedures allow for implant placement in partially or totally edentulous patients. Despite the availability of various implant and abutment types on the market, it often becomes quite challenging to achieve the biological and esthetic goals in a patient who has ridge deficiencies. Where problems will arise is from the lack of adequate bone quality and quantity.1,2 Soft tissue form and maintenance is also a consideration to evaluate.3 Primary reconstructive techniques following segmental mandibulectomy is evolving and improves quality of life...
June 19, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28627100/subcutaneous-extraskeletal-osteosarcoma-in-a-metatarsal-footpad-in-a-cat
#18
Ramón Almela, Wolf von Bomhard, Agustina Ansón, Ursula Mayer
BACKGROUND: Extraskeletal osteosarcomas (ESOSAs) are rare neoplasms in humans and animals. In cats, ESOSA has been reported to arise from orbital, ocular, intestinal, mammary and subcutaneous locations. Subcutaneous ESOSA occurs most commonly at sites used for vaccination including interscapular, dorsal lumbar or thigh areas. Previous reports of feline cases have not documented the use of advanced diagnostic imaging to exclude a primary bone tumour. OBJECTIVE: To describe the clinicopathological and advanced imaging findings of a subcutaneous ESOSA occurring in a metatarsal footpad of a cat and to report the one year follow-up status...
June 18, 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28626633/mediastinal-hemangioendothelioma-case-report-and-review-of-the-literature
#19
Davide Patrini, Laura Scolamiero, Reena Khiroya, David Lawrence, Elaine Borg, Martin Hayward, Nikolaos Panagiotopoulos
BACKGROUND: Epithelioid haemangioendothelioma (EHE) is a rare low-grade vascular neoplasm that can arise in the lung, liver, soft tissues or, less commonly, bone. Due to its low prevalence of less than one in a million and its non-specific clinical features, EHE is often misdiagnosed and managed inappropriately. Here we discuss the case of a 58 year-old gentleman with mediastinal EHE and review existing literature on pulmonary EHE (PEH). CASE HISTORY: A 58 year-old gentleman presented to our outpatient Clinic with chest discomfort and palpitations...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/28623062/salvage-of-the-foot-for-recurrent-malignant-peripheral-nerve-sheath%C3%A2-tumor
#20
Meletis Rozis, Eustratios Papadelis, Andreas Mavrogenis, Spyridon Koufos, Vasilios Polyzois, Spyros Pneumaticos
Malignant peripheral nerve sheath tumors are rare soft tissue tumors accounting for 3% to 10% of all soft tissue tumors. They are strongly related to neurofibromatosis type 1, an autosomal dominant disease, and are characterized by aggressive biologic behavior, high local recurrence rates, and frequent metastases. Although the major nerves of the lower extremities are a common location of these tumors, scarce cases have been reported of malignant peripheral nerve sheath tumors involving the interdigital nerves of the foot...
June 13, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
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