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https://www.readbyqxmd.com/read/28922250/use-of-pedicled-buccal-fat-pad-for-midface-augmentation
#1
Tae Sung Lee, Sanghoon Park
The pedicled buccal fat pad has occasionally been used for the closure of oroantral and oronasal fistulae. However, this versatile and convenient technique has not been used widely in the field of esthetic surgery. The main cosmetic interest in the buccal fat pads was to surgically extract them to reduce cheek prominence. Here, the authors introduce a novel operative technique using the pedicled buccal fat pad for midface augmentation in patients with deficient soft-tissue volume, particularly in the anterior malar or paranasal region...
September 15, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28922244/fibular-graft-effective-panorama-for-prosthetic-rehabilitation-of-resected-mandible
#2
Pankaj Kharade, Saidul Islam, Mahesh Verma, Swati Sharma, Ranjeet Bodh
Surgical management of extensive tumors in the mandibular region leads to massive disfigurement of the face. Also the prosthetic outcome of such patients rehabilitated with free soft tissue flaps is very poor. Reconstruction of extensive defects to overcome the disfigurement is a challenging procedure and can be achieved with free fibula flap. Free fibula graft provides sufficient length of bone for the reconstruction of the postsurgical defects. Excellent vascularity of fibula flap allows for easy uptake of the graft and osseointegration of the dental implants...
September 15, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28922190/spinal-metastasis-characterized-on-fdg-pet-ct-in-head-and-neck-squamous-cell-carcinoma
#3
Shahroz Khan, Hannah Son
Spinal metastases are rare in head and neck cancer. We present a rare case of vocal cord squamous cell cancer that metastasized to the spinal cord and cauda equina. A 63-year-old man presented with acute back pain and bilateral leg weakness 5 months after having a surgical treatment for moderately differentiated vocal cord squamous cell cancer (T2 N0 M0). Restaging F-FDG PET examination demonstrated a soft tissue mass with intense hypermetabolism in the distal spinal cord and a hypermetabolic leptomeningeal metastatic deposit at the L3 level...
September 15, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28921912/fate-of-worn-out-functional-teeth-in-the-upper-jaw-dentition-of-sicyopterus-japonicus-gobioidei-sicydiinae-during-tooth-replacement
#4
Noriyuki Sahara, Keita Moriyama, Midori Iida, Shun Watanabe
Mochizuki and Fukui (1983) studied the development and replacement of the upper jaw teeth in a Japanese fish species, Sicyopterus japonicus (Gobioidei: Sicydiinae), and they reported that worn-out functional teeth in the upper jaw were not shed outside the skin but were taken into the soft tissue of the upper jaw and completely resorbed there. To date, however, this phenomenon appears poorly documented. Furthermore, the mechanism for the resorption of these teeth remains to be determined. In the present study, we examined this phenomenon by using 3D micro-computed tomography (m-CT), scanning electron microscopy (SEM), and various techniques of light (LM) and electron (EM) microcopy...
September 16, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28921376/legal-issues-in-governing-genetic-biobanks-the-italian-framework-as-a-case-study-for-the-implications-for-citizen-s-health-through-public-private-initiatives
#5
Cinzia Piciocchi, Rossana Ducato, Lucia Martinelli, Silvia Perra, Marta Tomasi, Carla Zuddas, Deborah Mascalzoni
This paper outlines some of the challenges faced by regulation of genetic biobanking, using case studies coming from the Italian legal system. The governance of genetic resources in the context of genetic biobanks in Italy is discussed, as an example of the stratification of different inputs and rules: EU law, national law, orders made by authorities and soft law, which need to be integrated with ethical principles, technological strategies and solutions. After providing an overview of the Italian legal regulation of genetic data processing, it considers the fate of genetic material and IP rights in the event of a biobank's insolvency...
September 18, 2017: Journal of Community Genetics
https://www.readbyqxmd.com/read/28921170/comparison-of-novel-multi-level-otsu-mo-pet-and-conventional-pet-segmentation-methods-for-measuring-fdg-metabolic-tumor-volume-in-patients-with-soft-tissue-sarcoma
#6
Inki Lee, Hyung-Jun Im, Meiyappan Solaiyappan, Steve Y Cho
BACKGROUND: We have previously developed a novel and highly consistent PET segmentation algorithm using a multi-level Otsu method (MO-PET). The aim of this study was to evaluate the reliability of MO-PET compared to conventional PET segmentation methods for measuring (18)F-FDG (FDG) PET metabolic tumor volume (MTV) in patients with soft tissue sarcoma (STS). Clinical and imaging data were obtained from the Cancer Imaging Archive. Forty-eight STS patients with FDG PET/CT and MR prior to therapy were analyzed...
September 18, 2017: EJNMMI Physics
https://www.readbyqxmd.com/read/28920787/calcinosis-circumscripta-in-a-cohort-of-related-juvenile-african-lions-panthera-leo
#7
Kendra L Bauer, Samantha J Sander, James C Steeil, Timothy F Walsh, Donald L Neiffer
Three juvenile, genetically related African lions (Panthera leo) were evaluated for discrete dome-shaped subcutaneous masses present over the proximal lateral metatarsal-tarsal area. The lesions measured 3-8 cm in diameter, were fluctuant to firm, nonulcerated, and attached to underlying structures. On radiographic evaluation, the lesions were characterized by well-circumscribed punctate mineralizations in the soft tissue surrounded by soft tissue swelling without evidence of adjacent bony involvement. On cut surface, the lesions were made of numerous loculi containing 2-5-mm round-to-ovoid, white-to-gray, firm structures interspersed with fibrous tissue and pockets of serosanguinous fluid...
September 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28920485/the-use-of-soft-tissue-expanders-prior-to-total-ankle-arthroplasty
#8
Ameya V Save, Daniel H Wiznia, Mike Wang, Chang-Yeon Kim, John S Reach
Soft tissue coverage and tension-free closure can often be challenging in patients with ankle arthropathy being considered for total ankle arthroplasty. We present 2 patients with severe posttraumatic ankle arthropathy who underwent placement of a soft tissue expander to assist with soft tissue coverage prior to total ankle arthroplasty. LEVELS OF EVIDENCE: Level IV.
October 2017: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/28919293/correlation-between-histological-and-ultrasonographic-findings-of-soft-tissue-tumors-to-verify-the-possibility-of-cell-like-resolution-in-ultrasonography
#9
Ching-Lan Wu, Yi-Chen Lai, Hsin-Kai Wang, Paul Chih-Hsueh Chen, Hong-Jen Chiou
BACKGROUND: The purpose of this study is to test the possibility of obtained cell-like resolution in soft tissue tumors on the basis of ultrasound echotexture. METHODS: This is a prospective study consisting of 57 patients (29 females and 28 males, age range: 9-83 years, average age: 44.5 years) with palpable soft tissue mass, referred from the Departments of Orthopedics and Oncology for ultrasound (US)-guided biopsy. The study was approved by the institutional review board (IRB) of our hospital...
September 14, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/28919283/clinical-manifestations-risk-factors-and-prognosis-of-patients-with-morganella-morganii-sepsis
#10
David Erlanger, Marc Victor Assous, Yonit Wiener-Well, Amos Moshe Yinnon, Eli Ben-Chetrit
BACKGROUND: There are few studies of Morganella bacteremia. We evaluated risk factors and outcome of patients with Morganella bacteremia. METHODS: Medical records of patients with Morganella bacteremia were reviewed (1997-2014). Control group patients with Escherichiacoli sepsis were matched by year of diagnosis and infection acquisition site. RESULTS: The study group included 136 adult patients. Mean age and gender of study and control groups were similar...
September 6, 2017: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/28919092/cervical-soft-tissue-recurrence-of-differentiated-thyroid-carcinoma-after-thyroidectomy-indicates-a-poor-prognosis
#11
Luying Gao, Yuxin Jiang, Zhiyong Liang, Lei Zhang, Xinxin Mao, Xiao Yang, Ying Wang, Jingzhu Xu, Ruyu Liu, Shenling Zhu, Ruina Zhao, Xingjian Lai, Xiaoyan Zhang, Bo Zhang
BACKGROUND: We investigated cervical soft tissue recurrence of differentiated thyroid carcinoma (DTC) after thyroidectomy, and these lesions exhibited no evidence that they were lymph nodes (LNs). METHODS: Between January 2012 and April 2016, consecutive 6308 patients underwent thyroid surgery for DTC at our center. Among them, we encountered 21 patients with recurrent cervical soft tissue lesions, none of whom had previously undergone fine needle aspiration biopsy (FNAB)...
September 14, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28918934/reconstructive-microsurgical-approach-for-the-treatment-of-pyoderma-gangrenosum
#12
Karl Schwaiger, Elisabeth Russe, Hassan Kholosy, Michaela Hladik, Klemens Heinrich, Laurenz Weitgasser, Thomas Schoeller, Gottfried Wechselberger
INTRODUCTION: Pyoderma gangrenosum (PG) is a rare type of autoimmune disease that results in progressive ulcers with or without previous trauma. However, PG is not well understood to date, and its treatment therefore remains a challenge. Because of the disease's systemic characteristic and the unpredictability of the clinical course, no gold standard treatment is available, especially concerning the surgical procedures to treat pyodermic lesions. Often, PG is not recognized during routine clinical practice, and standard ulcer treatment (conservative wound care, debridement, skin grafting, and local flap coverage) is initiated; this induces an autoinflammatory response, resulting in disastrous ulcers, thereby making free flap coverage necessary...
August 16, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28918832/streptococcus-anginosus-group-bacterial-infections
#13
Tasaduq Fazili, Scott Riddell, Deanna Kiska, Tim Endy, Luca Giurgea, Calden Sharngoe, Waleed Javaid
BACKGROUND: The Streptococcus anginosus group (SAG) causes a variety of infections in adults. To better understand the burden of SAG infections and their associated morbidity and mortality, we conducted a retrospective analysis of these infections in adults at a tertiary care center. METHODS: A retrospective review of all cultures positive for SAG in adults and a corresponding review of the patients' medical records were conducted at a tertiary care facility in central New York...
September 2017: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/28918583/evidence-for-contrasting-accumulation-pattern-of-cadmium-in-relation-to-other-elements-in-senilia-senilis-and-tagelus-adansoni-from-the-bijag%C3%A3-s-archipelago-guinea-bissau
#14
Teresa Catry, Paula Figueira, Lina Carvalho, Rui Monteiro, Pedro Coelho, Pedro Miguel Lourenço, Paulo Catry, Quintino Tchantchalam, Inês Catry, Maria J Botelho, Eduarda Pereira, José Pedro Granadeiro, Carlos Vale
Shellfish harvesting in intertidal areas is a widespread and economically important activity in many countries across West Africa. However, in some areas, there is virtually no information concerning the levels of contaminants (and other elements related to nutritional aspects) in the harvested species. We collected sediments and several individuals of the West African bloody cockle Senilia senilis and of the razor clam Tagelus adansoni during the dry season of 2015 nearby three islands in the Bijagós archipelago, Guinea-Bissau...
September 16, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28918266/nanomedicine-for-safe-healing-of-bone-trauma-opportunities-and-challenges
#15
REVIEW
Shahed Behzadi, Gaurav A Luther, Mitchel B Harris, Omid C Farokhzad, Morteza Mahmoudi
Historically, high-energy extremity injuries resulting in significant soft-tissue trauma and bone loss were often deemed unsalvageable and treated with primary amputation. With improved soft-tissue coverage and nerve repair techniques, these injuries now present new challenges in limb-salvage surgery. High-energy extremity trauma is pre-disposed to delayed or unpredictable bony healing and high rates of infection, depending on the integrity of the soft-tissue envelope. Furthermore, orthopedic trauma surgeons are often faced with the challenge of stabilizing and repairing large bony defects while promoting an optimal environment to prevent infection and aid bony healing...
September 4, 2017: Biomaterials
https://www.readbyqxmd.com/read/28918264/past-matrix-stiffness-primes-epithelial-cells-and-regulates-their-future-collective-migration-through-a-mechanical-memory
#16
Samila Nasrollahi, Christopher Walter, Andrew J Loza, Gregory V Schimizzi, Gregory D Longmore, Amit Pathak
During morphogenesis and cancer metastasis, grouped cells migrate through tissues of dissimilar stiffness. Although the influence of matrix stiffness on cellular mechanosensitivity and motility are well-recognized, it remains unknown whether these matrix-dependent cellular features persist after cells move to a new microenvironment. Here, we interrogate whether priming of epithelial cells by a given matrix stiffness influences their future collective migration on a different matrix - a property we refer to as the 'mechanical memory' of migratory cells...
September 8, 2017: Biomaterials
https://www.readbyqxmd.com/read/28918185/isolated-limb-perfusion-for-locally-advanced-angiosarcoma-in-extremities-a-multi-centre-study
#17
E A Huis In 't Veld, D J Grünhagen, C Verhoef, H G Smith, A C J van Akkooi, R Jones, F van Coevorden, A J Hayes, W J van Houdt
BACKGROUND: Angiosarcomas are rare and aggressive soft-tissue sarcomas. The only potential curative treatment is complete surgical excision. This study reports the outcome of isolated limb perfusion (ILP) with high-dose melphalan and tumour necrosis factor α for locally advanced angiosarcoma. MATERIAL AND METHODS: All patients who underwent an ILP for angiosarcomas between 1991 and 2016 in three tertiary referral centres were identified from prospectively maintained databases...
September 14, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28917983/temperature-dependence-of-speed-of-sound-and-attenuation-of-porcine-left-ventricular-myocardium
#18
Krisztián Füzesi, Natalia Ilyina, Erik Verboven, Koen Van Den Abeele, Miklós Gyöngy, Jan D'hooge
The temperature dependence of soft tissue acoustic properties is relevant for monitoring tissue hyperthermia. In the current work, the propagation speed and attenuation of healthy porcine left ventricular myocardium (N=5) was investigated in a frequency range relevant for clinical diagnostic imaging, i.e. 2.5-13.0MHz. Each tissue sample was held in a water bath at a temperature T=25°C, heated to 45°C, and allowed to cool back down to 25°C. Due to initial tissue swelling, the data for decreasing temperatures was considered more reliable...
September 6, 2017: Ultrasonics
https://www.readbyqxmd.com/read/28917705/long-term-retention-of-ecm-hydrogel-after-implantation-into-a-sub-acute-stroke-cavity-reduces-lesion-volume
#19
Harmanvir Ghuman, Madeline Gerwig, Francesca J Nicholls, Jessie Liu, Julia Donnelly, Stephen F Badylak, Michel Modo
Salvaging or functional replacement of damaged tissue caused by stroke in the brain remains a major therapeutic challenge. In situ gelation and retention of a hydrogel bioscaffold composed of 8 mg/mL extracellular matrix (ECM) can induce a robust invasion of cells within 24 hours and potentially promote a structural remodeling to replace lost tissue. Herein, we demonstrate a long-term retention of ECM hydrogel within the lesion cavity. A decrease of approximately 32% of ECM volume is observed over 12 weeks...
September 13, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28917626/ultrasound-assisted-liposuction-provides-a-source-for-functional-adipose-derived-stromal-cells
#20
Dominik Duscher, Zeshaan N Maan, Anna Luan, Matthias M Aitzetmüller, Elizabeth A Brett, David Atashroo, Alexander J Whittam, Michael S Hu, Graham G Walmsley, Khosrow S Houschyar, Arndt F Schilling, Hans-Guenther Machens, Geoffrey C Gurtner, Michael T Longaker, Derrick C Wan
BACKGROUND AIMS: Regenerative medicine employs human mesenchymal stromal cells (MSCs) for their multi-lineage plasticity and their pro-regenerative cytokine secretome. Adipose-derived mesenchymal stromal cells (ASCs) are concentrated in fat tissue, and the ease of harvest via liposuction makes them a particularly interesting cell source. However, there are various liposuction methods, and few have been assessed regarding their impact on ASC functionality. Here we study the impact of the two most popular ultrasound-assisted liposuction (UAL) devices currently in clinical use, VASER (Solta Medical) and Lysonix 3000 (Mentor) on ASCs...
September 13, 2017: Cytotherapy
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