Cortical Bone Trajectory Screws for Middle Upper Thoracic: a Anatomico-Radiological Study Introduction Pedicle screw fixation system has been widely used in spinal surgery due to its biomechanical advantage in three-dimensional fixation and short-segment fixation. However‚ Complications such as screw loosening‚ pullout and broken‚ often lead to loss of surgical construct stability‚ particularly in patients with poor bone quality [1-4]. The cortical bone trajectory (CBT)[5] technique is a theoretical
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What will happen if ancient people got computer? One day‚ in 800 B.C.‚ the people were farming as normal day. Suddenly‚ the person who was working on the left side found something on the ground. It was white box with black surface‚ which was quite shiny without getting sunlight. Everyone thought that is a treasure of god and tried to dig out as soon as possible. When they revealed about half of object from ground‚ they noticed another thing - the grey‚ round and handy thing that was connected
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Introduction • Bone tumor is neoplastic growth of tissue in bone‚ abnormal growth can benign or malignant. • Average five year survival in united states after being diagnosed with bone & joint cancer is 67%. CLASSIFICATION Tumor classified as primary tumors‚ which originate in bone derived cells & tissues.it may be neoplastic‚ developmental‚ traumatic‚ infectious & inflammatory etiology. Secondary tumors originate in other sites & spread (metastasizes) to skeleton. Carcinomas of prostate‚
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According to recent studies‚ there are less than two hundred thousand cases of bone cancer per year. There are three varieties of bone cancer which are called chondrosarcoma‚ Ewing’s sarcoma‚ and osteosarcoma. The most dangerous out of the three is Ewing’s Sarcoma‚ which only seventy percent out of one hundred survive after five years of the diagnosis. Chondrosarcoma is also very dangerous if it has progressed further before treatment‚ making it only a twenty-five percent survival rate after five
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Shift Happens I learned a lot of new information from the Shift Happens video. This video opened my eyes to many new things. I learned that the United States is not necessarily the best country to live in and it is not the best at everything‚ far from it actually. India has more honors kids than United States has kids. I personally think this is very shocking because there is a ton of kids that live in the U.S. and the fact that India has more honors kids than the U.S. even has kids is just insane
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What Happens to Non-Christians when they die? An Evaluation of various perspectives Felipe Palma A130101 Alphacrucis College: Baulkham Hills THE101: Understanding the Faith: A Survey of Christian Doctrine – Major Essay Due date: 10 May 2013 Submission date: 10 May 2012 Final word count: 2003 Plagiarism Quiz Score: 92% Plagiarism Quiz Completed: 30/3/13 I hereby declare that the following work in this assessment is my own‚ except where indicated
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Chemical Composition of Bone Bone is a very hard material which is capable of bearing a large amount of weight and resisting tension and twisting forces. Therefore‚ this material is both flexible and hard. The hardness of bone is due to calcium deposits in the matrix while the flexibility comes from the organic material of the matrix. We can illustrate these facts by treating two bone samples by two different methods: 1. Soaking a bone in vinegar (dilute acetic acid) removes calcium
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up of cartilage and bone. Both bone and cartilage are connective tissues‚ that is‚ they are composed of cells in a matrix with intracellular fibers. Just imagine connective tissue as a gelatin salad with grapes and coconut. The grapes would represent cells‚ the gelatin the support material for matrix‚ and the pieces of coconut the intracellular fibers. By changing the amounts of each ingredient and adding extra substances‚ we can produce a material that is very hard like bone and can withstand weight
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annual hunts are used for pest control. They tell their fishermen that the dolphins are eating up all the fish in the ocean‚ therefore‚ giving a reason to catch them first (“The Cove”). What the fishermen do not understand or don’t want to understand is it is the humans who are causing the depletion of fish. What happens when all the dolphins are gone? It would completely damage and affect the ecosystem. Why can’t people physically help the dolphins? People who go to Japan and actively interfere with
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What are the worst things that can happen to a person? A person can be defined in many ways such as having a good life where they have good education‚ a good job and salary‚ many good friends‚ relatives and family members‚ and great success. On the contrary a person can also have an awful life such as having addictions‚ chronic diseases‚ and maybe no purpose in life as well. These are what I consider as the worst things that can happen to a person. One type of situation that can become the worst
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