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https://www.readbyqxmd.com/read/27910171/results-of-computed-tomography-in-dogs-with-suspected-wooden-foreign-bodies
#1
Christopher R Lamb, Elizabeth H W Pope, Karla C L Lee
Detection of wooden foreign bodies in dogs can be challenging. A retrospective, cross-sectional study was done to describe computed tomographic (CT) signs associated with wooden foreign bodies, and to estimate the accuracy of CT for detection of wooden foreign bodies. Patient records and CT images were reviewed for 72 dogs that had a history of suspected stick injury and CT of the affected body part, or possible wooden foreign object reported on CT, and had surgical exploration during the same period of hospitalization...
December 1, 2016: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/27906470/retrospective-evaluation-of-whole-body-computed-tomography-for-tumor-staging-in-dogs-with-primary-appendicular-osteosarcoma
#2
Jessica L Talbott, Sarah E Boston, Rowan J Milner, Amandine Lejeune, Carlos H de M Souza, Kelvin Kow, Nicholas J Bacon, Jorge A Hernandez
OBJECTIVE: To evaluate whole body computed tomography (CT) for staging canine appendicular osteosarcoma. STUDY DESIGN: Retrospective case series. ANIMALS: Client-owned dogs diagnosed with appendicular osteosarcoma (n=39). METHODS: Medical records for client-owned dogs diagnosed with appendicular osteosarcoma from August 2008 to July 2014 were reviewed. Dogs were included if they had a confirmed diagnosis of appendicular osteosarcoma and were staged using whole body CT...
December 1, 2016: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/27906036/complicated-acute-appendicitis-presenting-as-a-rapidly-progressive-soft-tissue-infection-of-the-abdominal-wall-a-case-report
#3
Corinne Beerle, Hans Gelpke, Stefan Breitenstein, Ralph F Staerkle
BACKGROUND: We report a case of a rare complication of acute appendicitis with perforation through the abdominal wall. The case points out that an intraabdominal origin should be considered in patients presenting with rapidly spreading soft tissue infections of the trunk. CASE PRESENTATION: A 58-year-old European woman presented to our hospital with a 1-week history of severe abdominal pain accompanied by rapidly spreading erythema and emphysema of the lower abdomen...
December 1, 2016: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/27903590/anterior-cruciate-ligament-derived-stem-cells-transduced-with-bmp2-accelerate-graft-bone-integration-after-acl-reconstruction
#4
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
#5
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/27902593/angiosarcoma-in-the-chest-radiologic-pathologic-correlation-case-report
#6
Sara Piciucchi, Alessandra Dubini, Sara Tomassetti, Stefano Sanna, Claudia Ravaglia, Angelo Carloni, Christian Gurioli, Carlo Gurioli, Thomas V Colby, Venerino Poletti
RATIONALE: Angiosarcomas are rare, malignant vascular tumors. PATIENT CONCERNS: They represents about 2% of all soft tissue sarcoma, which can often metastasize through the hematogenous route. The radiological features have been analyzed in 4 patients with metastatic angiosarcoma in the chest. DIAGNOSES: The main radiologic findings included nodules, cysts, nodules with halo sign, and vascular tree-in-bud. Morphologic features, as observed in the histologic specimen, have been correlated with radiologic appearance...
November 2016: Medicine (Baltimore)
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
#7
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/27900225/internal-jugular-vein-thrombosis-in-isolated-tuberculous-cervical-lymphadenopathy
#8
Sanjay Khaladkar, Avadhesh Chauhan, Arijit Ghosh, Kunaal Jain, Surbhi Chauhan
Tuberculosis is a common infectious disease with a high prevalence in developing countries and presents a major public health issue. Internal jugular vein (IJV) thrombosis is a rare complication in tuberculous cervical lymphadenopathy. We report a case of 26-year male patient with a history of low-grade evening rise in fever, dry cough, loss of appetite, and loss of weight with swelling in lower neck on right side. Ultrasonography (USG) neck showed well-defined hypoechoic lymph nodes posterior to right IJV and common carotid artery in the lower neck at level IV and in the right supraclavicular region showing central necrotic areas with adjoining IJV thrombosis...
2016: Case Reports in Radiology
https://www.readbyqxmd.com/read/27900093/primary-gastrointestinal-stromal-tumour-of-the-ileum-pre-operatively-diagnosed-as-an-abdominal-abscess
#9
Patrizia Rubini, Francesco Tartamella
The present case report described the acute presentation, diagnosis and management of a primary gastrointestinal stromal tumour (GIST) of the ileum. A male patient (age, 51 years) was admitted to Maggiore Hospital (Parma, Italy) due to presenting with fever, dysuria and lower abdominal pain. Ultrasonography and computed tomography showed a 7,5×5,5-cm pelvic mass containing air and purulent fluid indicative of an intraperitoneal abscess. The patient was subjected to diagnostic laparoscopy, which revealed a huge, soft cystic mass arising from the small bowel...
November 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/27900022/conversion-of-aspergilloma-to-chronic-necrotizing-pulmonary-aspergillosis-following-treatment-with-sunitinib-a-case-report
#10
Yeon Wook Kim, Hyun Woo Lee, Jaeyoung Cho, Han-Sol Choi, Jungsil Lee, Sung Soo Park, Eun Young Heo, Kwang Nam Jin, Deog Kyeom Kim
Semi-invasive or invasive aspergillosis occurring following chemotherapy with sunitinib is a rare condition with unknown incidence and prognosis. Here, we report a case involving a 59-year-old male who had a history of underlying stable aspergilloma and was newly diagnosed with metastatic renal cell carcinoma. Following surgical resection for renal cell carcinoma and adjuvant chemotherapy with sunitinib for 8 months, the patient presented with hemoptysis. Chest computed tomography revealed an increased soft tissue mass and air crescent sign of the underlying aspergilloma, combined with consolidation and bronchial artery hypertrophy around the lesion...
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
#11
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/27895882/primary-pleural-synovial-sarcoma-with-metastatic-cardiac-involvement-a-case-report
#12
Ji-Hye Won, Susie Chin, Jai Soung Park, Sang Hyun Paik, Heon Lee, Jang Gyu Cha, Hwa Kyoon Shin, Eun Suk Koh
Primary pleuropulmonary synovial sarcomas are rare soft tissue malignancies; combined metastatic involvement of the heart is extremely rare. In this case report, a 17-year-old female presented with a history of chest pain. Chest radiographs revealed a round mass in the left upper hemithorax, and computed tomography (CT) showed a well-defined heterogeneous enhancing mass abutting the pleura. A core needle biopsy revealed malignant spindle cells. Surgical resection was performed, and a final diagnosis of primary pleural synovial sarcoma, monophasic fibrous type, was made...
October 2016: Iranian Journal of Radiology: a Quarterly Journal Published By the Iranian Radiological Society
https://www.readbyqxmd.com/read/27895878/evaluation-of-visibility-of-foreign-bodies-in-the-maxillofacial-region-comparison-of-computed-tomography-cone-beam-computed-tomography-ultrasound-and-magnetic-resonance-imaging
#13
Solmaz Valizadeh, Hamidreza Pouraliakbar, Leila Kiani, Yaser Safi, Leila Alibakhshi
BACKGROUND: Detection of foreign bodies (FBs) is challenging. Selection of a fast and affordable imaging modality to locate the FB with minimal patient radiation dose is imperative. OBJECTIVES: This study sought to compare four commonly used imaging modalities namely cone beam computed tomography (CBCT), magnetic resonance imaging (MRI), computed tomography (CT), and ultrasound (US) for detection of FBs in the head and neck region. MATERIALS AND METHODS: In this in vitro study, iron, glass, stone, wood, asphalt, and tooth samples measuring 0...
October 2016: Iranian Journal of Radiology: a Quarterly Journal Published By the Iranian Radiological Society
https://www.readbyqxmd.com/read/27891410/subperiosteal-schwannoma-of-pelvis-a-rare-case-and-review-of-literature
#14
Devendra Lakhotia, Sunil Jeph, Swati Sharma
Schwannoma are benign tumours of the nerve sheath. They are commonly found in the soft tissue, but its presence in the bone is extremely rare. We herein present a case of 34-year-old man with two adjacent pelvic subperiosteal schwannomas. Computed Tomography (CT) scan showed osseous pressure erosion and Magnetic Resonance Imaging (MRI) showed two cystic signal intensity lesions, one near superior aspect of right posterior iliac wing and another inferior to it with adjacent cortical pressure erosion. The tumour was excised en bloc and on histopathological examination, the diagnosis was confirmed as subperiosteal schwannoma...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27888928/analytical-prediction-of-sub-surface-thermal-history-in-translucent-tissue-phantoms-during-plasmonic-photo-thermotherapy-pptt
#15
Purbarun Dhar, Anup Paul, Arunn Narasimhan, Sarit K Das
Knowledge of thermal history and/or distribution in biological tissues during laser based hyperthermia is essential to achieve necrosis of tumour/carcinoma cells. A semi-analytical model to predict sub-surface thermal distribution in translucent, soft, tissue mimics has been proposed. The model can accurately predict the spatio-temporal temperature variations along depth and the anomalous thermal behaviour in such media, viz. occurrence of sub-surface temperature peaks. Based on optical and thermal properties, the augmented temperature and shift of the peak positions in case of gold nanostructure mediated tissue phantom hyperthermia can be predicted...
December 2016: Journal of Thermal Biology
https://www.readbyqxmd.com/read/27888922/thermal-sensation-prediction-by-soft-computing-methodology
#16
Srđan Jović, Nebojša Arsić, Jovana Vilimonović, Dalibor Petković
Thermal comfort in open urban areas is very factor based on environmental point of view. Therefore it is need to fulfill demands for suitable thermal comfort during urban planning and design. Thermal comfort can be modeled based on climatic parameters and other factors. The factors are variables and they are changed throughout the year and days. Therefore there is need to establish an algorithm for thermal comfort prediction according to the input variables. The prediction results could be used for planning of time of usage of urban areas...
December 2016: Journal of Thermal Biology
https://www.readbyqxmd.com/read/27886871/update-on-new-imaging-techniques-for-trauma
#17
REVIEW
Lubdha M Shah, Adam E Flanders
Computed tomography (CT) and MRI are complementary imaging modalities for the evaluation of the traumatic spine. Osseous delineation is best assessed with CT, whereas MRI gives superb soft tissue description. Awareness of the strengths and pitfalls of each modality is critical in the accurate interpretation of images. Advances in MR imaging of the spine, particularly of the spinal cord, provide glimpses into to the pathobiological mechanism of spinal cord injury. Innovative techniques relay microstructural information about the integrity of the axons and myelin sheaths...
January 2017: Neurosurgery Clinics of North America
https://www.readbyqxmd.com/read/27886496/nonequilibrium-phase-behavior-from-minimization-of-free-power-dissipation
#18
Philip Krinninger, Matthias Schmidt, Joseph M Brader
We develop a general theory for describing phase coexistence between nonequilibrium steady states in Brownian systems, based on power functional theory [M. Schmidt and J. M. Brader, J. Chem. Phys. 138, 214101 (2013)]. We apply the framework to the special case of fluid-fluid phase separation of active soft sphere swimmers. The central object of the theory, the dissipated free power, is calculated via computer simulations and compared to a simple analytical approximation. The theory describes well the simulation data and predicts motility-induced phase separation due to avoidance of dissipative clusters...
November 11, 2016: Physical Review Letters
https://www.readbyqxmd.com/read/27886399/simulation-of-total-knee-arthroplasty-in-5%C3%A2-or-7%C3%A2-valgus-a-study-of-gap-imbalances-and-changes-in-limb-and-knee-alignments-from-native
#19
Stephanie Gu, Stephen M Howell, Maury L Hull
This study calculated the frequency of occurrence of gap imbalances between medial and lateral compartments at 0° flexion and within a compartment between 0° and 90° flexion, and changes in limb and knee alignment from native after computer simulation of TKA with the knee set 5° or 7° valgus at 0° flexion. TKA was simulated on forty-nine 3D bone models of native limbs. At 0° flexion, the femoral component was set 5° or 7° valgus from the anatomic axis of the femur, and the tibial component was set 0° to the tibial anatomic axis...
November 25, 2016: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/27885455/-psma-radioguided-surgery-in-localized-recurrent-prostate-cancer-current-and-future-aspects
#20
I Rauscher, M Eiber, C A Jilg, J E Gschwend, T Maurer
Recently, PSMA-radioguided surgery (PSMA-RGS) was introduced for targeted resection of localized prostate cancer recurrence. Prerequisite for preoperative patient selection and localization of tumor recurrence is a positive (68)Ga-HBED-CC PSMA positron emission tomography (PET) scan with preferably only singular soft tissue or lymph node recurrence. After injection of In-PSMA I&T or Tc-PSMA-I&S single photon emission computer tomography (SPECT)/computer tomography (CT) examination is performed in every patient to verify radiotracer uptake in tumor lesions...
November 24, 2016: Der Urologe. Ausg. A
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