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soft tissue reconstruction

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https://www.readbyqxmd.com/read/27912929/survival-failure-modes-and-function-of-combined-distal-femur-and-proximal-tibia-reconstruction-following-tumor-resection
#1
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/27909861/surgical-reconstruction-for-fibular-hemimelia
#2
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/27909754/dual-plate-fixation-on-distal-third-diaphyseal-fracture-of-the-humerus
#3
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/27909681/double-bundle-all-inside-posterior-cruciate-ligament-reconstruction-a-technique-using-2%C3%A2-separate-autologous-grafts
#4
Roy A G Hoogeslag, Bart W Oudelaar, Rianne Huis In't Veld, Reinoud W Brouwer
In a double-bundle posterior cruciate ligament reconstruction, several surgical techniques are available. Compared with other techniques, the advantages of the all-inside technique and cortical suspension devices with variable loop length are that shorter grafts can be used, tendons can be quadrupled, and a double-bundle posterior cruciate ligament reconstruction can be performed with autologous grafts. Furthermore, the all-inside technique provides independent outside-in socket reaming and is soft tissue, cortex, and bone sparing because no full diameter tunnels but sockets are created with a small diameter guide pin, which can transform into a retrograde drill...
October 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/27909674/minimally-invasive-quadriceps-tendon-harvest-and-graft-preparation-for-all-inside-anterior-cruciate-ligament-reconstruction
#5
Harris S Slone, William B Ashford, John W Xerogeanes
The quadriceps tendon is an infrequently used graft option for anterior cruciate ligament reconstruction despite favorable clinical results in the literature with low donor site morbidity. It is a versatile graft that can be harvested with bone or as a soft tissue graft alone. In addition, it can be used for anatomic, double-bundle, transtibial, and all-inside reconstructions. The unique characteristics of the quadriceps tendon allow for the ability to harvest a single-bundle large-diameter graft and minimize disruption of normal anatomy, which makes the quadriceps tendon an excellent choice for all-inside techniques...
October 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/27909467/invasive-squamous-cell-carcinoma-of-the-scalp-and-calvarium-a-multidisciplinary-approach
#6
Jennifer Stark, Silvio Podda, Karen Szymanski
Objective: The correlation between immunosuppression-associated skin cancer and lymphoma has been well established. This includes squamous cell carcinoma and chronic lymphocytic leukemia. When a lesion requires excision, reconstruction can be challenging based on the depth and size of the tumor. We present a patient with chronic lymphocytic leukemia and invasive squamous cell carcinoma of the scalp that extended through the calvarium to the dura mater. His tumors were badly neglected for a long period of time and presented at an advanced stage...
2016: Eplasty
https://www.readbyqxmd.com/read/27908574/reconstruction-of-a-post-traumatic-maxillary-ridge-using-a-radial-forearm-free-flap-and-immediate-tissue-engineering-bone-morphogenetic-protein-bone-marrow-aspirate-concentrate-and-cortical-cancellous-bone-case-report
#7
James C Melville, Ramzey Tursun, J Marshall Green, Robert E Marx
The purpose of this article is to describe reconstruction of the maxillary alveolar ridge by use of a microvascular free flap combined with an immediate tissue-engineered bone graft. This novel surgical technique involved the use of a radial forearm free flap and immediate allogeneic avascular bone graft augmented with bone morphogenetic protein and bone marrow aspirate concentrate. A poly-d,l-lactic acid mesh was used a containment unit for the bone graft. The patient was successfully treated with a viable radial forearm free flap for soft tissue and regeneration of bone with adequate height and width, which allowed the placement of 3 dental implants with excellent arch coordination...
November 9, 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27908157/volumetry-of-low-contrast-liver-lesions-with-ct-investigation-of-estimation-uncertainties-in-a-phantom-study
#8
Qin Li, Yongguang Liang, Qiao Huang, Min Zong, Benjamin Berman, Marios A Gavrielides, Lawrence H Schwartz, Binsheng Zhao, Nicholas Petrick
PURPOSE: To evaluate the performance of lesion volumetry in hepatic CT as a function of various imaging acquisition parameters. METHODS: An anthropomorphic abdominal phantom with removable liver inserts was designed for this study. Two liver inserts, each containing 19 synthetic lesions with varying diameter (6-40 mm), shape, contrast (10-65 HU), and both homogenous and mixed-density were designed to have background and lesion CT values corresponding to arterial and portal-venous phase imaging, respectively...
December 2016: Medical Physics
https://www.readbyqxmd.com/read/27904790/current-concepts-in-the-treatment-of-gross-patellofemoral-instability
#9
Grant Buchanan, LeeAnne Torres, Brian Czarkowski, Charles E Giangarra
: Patellofemoral instability is a painful and commonly recurring condition, which often must be managed surgically. Diagnosis can be aided by the use of a variety of physical exam signs, such as the Q angle, Beighton hypermobility score, glide test, J sign, patellar tilt test, and apprehension test. Imaging modalities including x-ray, CT, and MRI guide both diagnosis and management by revealing trochlear dysplasia, bony malalignment, and ligamentous injury that contribute to instability...
December 2016: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/27903590/anterior-cruciate-ligament-derived-stem-cells-transduced-with-bmp2-accelerate-graft-bone-integration-after-acl-reconstruction
#10
Yohei Kawakami, Koji Takayama, Tomoyuki Matsumoto, Ying Tang, Bing Wang, Yutaka Mifune, James H Cummins, Ryan J Warth, Ryosuke Kuroda, Masahiro Kurosaka, Freddie H Fu, Johnny Huard
BACKGROUND: Strong graft-bone integration is a prerequisite for successful graft remodeling after reconstruction of the anterior cruciate ligament (ACL) using soft tissue grafts. Novel strategies to accelerate soft tissue graft-bone integration are needed to reduce the need for bone-tendon-bone graft harvest, reduce patient convalescence, facilitate rehabilitation, and reduce total recovery time after ACL reconstruction. HYPOTHESIS: The application of ACL-derived stem cells with enhanced expression of bone morphogenetic protein 2 (BMP2) onto soft tissue grafts in the form of cell sheets will both accelerate and improve the quality of graft-bone integration after ACL reconstruction in a rat model...
November 30, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27902956/usefulness-of-cervical-computed-tomography-and-magnetic-resonance-imaging-for-rapid-diagnosis-of-crowned-dens-syndrome-a-case-report-and-review-of-the-literature
#11
Akihiro Inoue, Kanehisa Kohno, Satoko Ninomiya, Hitomi Tomita, Shinji Iwata, Shiro Ohue, Kenji Kamogawa, Kensho Okamoto, Shinya Fukumoto, Haruhisa Ichikawa, Shinji Onoue, Saya Ozaki, Bungo Okuda
INTRODUCTION: Crowned dens syndrome is a rare disease entity which radiologically shows calcification of the cruciform ligament around the odontoid process. We report a patient with crowned dens syndrome who improved dramatically in 5days following treatment with oral nonsteroidal anti-inflammatory medication. PRESENTATION OF CASE: A 61-year-old man was admitted to our hospital with a severe occipital headache and sudden onset of neck stiffness. Neurological examination on admission revealed a high fever and cervical rigidity...
November 23, 2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/27901394/computed-tomographic-anatomy-of-the-heads-of-blue-and-gold-macaws-ara-ararauna-african-grey-parrots-psittacus-erithacus-and-monk-parakeets-myiopsitta-monachus
#12
Irene A Veladiano, Tommaso Banzato, Luca Bellini, Alessandro Montani, Salvatore Catania, Alessandro Zotti
OBJECTIVE To create an atlas of the normal CT anatomy of the head of blue-and-gold macaws (Ara ararauna), African grey parrots (Psittacus erithacus), and monk parakeets (Myiopsitta monachus). ANIMALS 3 blue-and-gold macaws, 5 African grey parrots, and 6 monk parakeets and cadavers of 4 adult blue-and-gold macaws, 4 adult African grey parrots, and 7 monk parakeets. PROCEDURES Contrast-enhanced CT imaging of the head of the live birds was performed with a 4-multidetector-row CT scanner. Cadaveric specimens were stored at -20°C until completely frozen, and each head was then sliced at 5-mm intervals to create reference cross sections...
December 2016: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/27900686/shotgun-metagenomic-sequencing-analysis-of-soft-rot-enterobacteriaceae-in-polymicrobial-communities
#13
James Doonan, Sandra Denman, James E McDonald, Peter N Golyshin
Shotgun metagenomic sequencing of bacterial communities in necrotic plant lesions allows insights of host-pathogen molecular interactions. Soft-rot Enterobacteriaceae are significant crop pathogens with a wide host range. Reconstructed polymicrobial community DNA from soft-rot affected crops provides details of species relative abundance and functional potential, enabling significant insights into their lifestyle. Here, we describe a workflow for DNA recovery, metagenomic shotgun sequencing and in particular, an in silico analysis of bacterial isolates from affected plant tissue...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27900036/management-of-pediatric-head-and-neck-rhabdomyosarcoma-a-case-series-of-36-patients
#14
Joanna Radzikowska, Wojciech Kukwa, Andrzej Kukwa, Anna M Czarnecka, Maciej Kawecki, Fei Lian, Cezary Szczylik, Antoni Krzeski
Rhabdomyosarcoma (RMS) is the most common soft tissue sarcoma in the pediatric population. In 35% of cases, RMS develops in the head and neck (H&N) region, and only combined therapy is recognized as a curative treatment. However, recent advances in skull base and reconstructive surgery, along with microsurgery and endoscopic surgery, have strengthened the role of surgery as an important part of RMS treatment. In the present study, 36 pediatric RMS cases (24 males and 12 females) were analyzed after surgical treatment...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27897249/visualization-and-pathological-characteristics-of-hepatic-alveolar-echinococcosis-with-synchrotron-based-x-ray-phase-sensitive-micro-tomography
#15
Huiqiang Liu, Xuewen Ji, Li Sun, Tiqiao Xiao, Honglan Xie, Yanan Fu, Yuan Zhao, Wenya Liu, Xueliang Zhang, Renyong Lin
Propagation-based phase-contrast computed tomography (PPCT) utilizes highly sensitive phase-contrast technology applied to X-ray micro-tomography, especially with the extensive use of synchrotron radiation (SR). Performing phase retrieval (PR) on the acquired angular projections can enhance image contrast and enable quantitative imaging. We employed the combination of SR-PPCT and PR for the histopathological evaluation of hepatic alveolar echinococcosis (HAE) disease and demonstrated the validity and superiority of PR-based SR-PPCT...
November 29, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27896212/effect-of-slow-forced-eruption-on-the-vertical-levels-of-the-interproximal-bone-and-papilla-and-the-width-of-the-alveolar-ridge
#16
Eun-Young Kwon, Ju-Youn Lee, Jeomil Choi
OBJECTIVE: Forced eruption has been proposed for the reconstruction of deficient bone and soft tissue. The aim of this study was to examine the changes in the alveolar ridge width and the vertical levels of the interproximal bone and papilla following forced eruption. METHODS: Patients whose hopeless maxillary anterior teeth were expected to undergo severe bone resorption and soft tissue recession upon extraction were recruited. In addition, patients whose maxillary anterior teeth required forced eruption for restoration due to tooth fracture or dental caries were included...
November 2016: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/27896203/soft-tissue-reconstruction-for-basaloid-squamous-cell-carcinoma-on-the-hemiface
#17
Jae-Ho Chung, Hi-Jin You, Na-Hyun Hwang, Deok-Woo Kim
No abstract text is available yet for this article.
November 2016: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/27896193/multidisciplinary-approach-to-an-extended-pressure-sore-at-the-lumbosacral-area
#18
Sehoon Yoon, Euicheol Jeong, Hudson Alex Lázaro
A pressure sore wound is often extensive or complicated by local infection involving adjacent soft tissue and bone. In this case, a regional flap after simple debridement is not adequate. Here, we present a case of an extensive pressure sore in the sacral area with deep tissue infection. A 43-year-old female patient with a complicated sore with deep tissue infection had a presacral abscess, an iliopsoas abscess, and an epidural abscess in the lumbar spine. After a multidisciplinary approach performed in stages, the infection had subsided and removal of the devitalized tissue was possible...
November 2016: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/27896183/the-trapezius-muscle-flap-a-viable-alternative-for-posterior-scalp-and-neck-reconstruction
#19
Hee Jun Yang, Dong Hun Lee, Yang Woo Kim, Sang Gu Lee, Young Woo Cheon
BACKGROUND: The trapezius muscle flap is not usually the first reconstructive option for skin and soft tissue defects in the posterior neck and scalp due to surgeons' unfamiliarity with the surgical anatomy and developments in free tissue transfer techniques. The goals of this study were to describe the clinical use of trapezius flaps in posterior neck and scalp reconstruction, and to investigate the vascular anatomy of trapezius flaps in Asians in order to obtain information facilitating the safe design and elevation of flaps in which most of the muscle is preserved...
November 2016: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/27895538/syndactyly-release
#20
REVIEW
Tara L Braun, Jeffrey G Trost, William C Pederson
Syndactyly is one of the most common congenital hand anomalies treated by pediatric plastic surgeons. Established principles of syndactyly separation dictate the timing and order of syndactyly release, with the goals of surgery being the creation of an anatomically normal webspace, tension-free closure of soft tissue, and return of function to the fingers. Numerous surgical methods have been described, many of which involve the use of local flaps to reconstruct the commissure and full-thickness skin grafts for coverage of raw areas...
November 2016: Seminars in Plastic Surgery
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