innovative ways to prevent aging. Currently laser technology offers many skin rejuvenating therapies that are beneficial but also have many drawbacks. Photodynamic therapy (PDT) efficacy has been demonstrated for the treatment of superficial basal cell cancers‚ Bowen’s disease and actinic keratoses (H.-I. Garcia). Good cosmetic reults in these treatments with PDT has led to expansion of use of PDT in photoageing. Recently studies have been performed to see if treatment with methyl-aminolevulinate
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SCREENING FOR COLORECTAL CANCER IN MALAYSIA CONSENSUS/CLINICAL PRACTICE GUIDELINES Malaysian Society of Gastroenterology & Hepatology‚ College of Surgeons of Malaysia‚ Academy of Medicine‚ Malaysia Committee Members: Prof Mohamed Akhtar Qureshi IMU‚ Seremban (Convenor) Assoc Prof. Mahendra Raj USM‚ Kota Baru Assoc Prof Ong Kee Thiam UH‚ Kuala Lumpur Dr Jayaram Menon Hospital Kota Kinabalu Dr Tan Yan Mei UH‚ Kuala Lumpur Dr Tan Soon Seng SJMC‚ Selangor
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Overview Ductal carcinoma in situ (DCIS) is a type of breast cancer and is the most common noninvasive form. The name essentially means it is a cancer found in the milk ducts of the breasts and it has not spread to any of the surrounding breast tissue. While DCIS breast cancer is not life threatening on its own‚ it does elevate the risk of the patient experiencing a more dangerous form of invasive breast cancer in the future. The chance of recurrence stands at under 30% and could happen five to
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SIGNIFICANCE Hepatocellular carcinoma (HCC) is the second leading cause of cancer-death in the world. In 2012‚ 782‚000 people were diagnosed and 95% mortality rate makes it the sixth most common cancer [1]. HCC in early stages is usually asymptomatic. When symptoms do occur they are usually mistaken for other liver diseases. Therefore‚ early diagnosis of HCC is extremely challenging. Surgical resection and liver transplant are the best treatment options for early stage HCC (BCLC stage 0 or A [2])
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Cells Cells Cell division and cancer Victoria Brothwell Strayer University Cells Introduction Regular cells and cancel cells are extremely different. Depending on the cancer that one may have cancer cells have more chromosomes that are scattered which is for why cancer cells are formed. In cell division all living things obtain cells in which come from other preexisting cells. If normal cells are do not divide and make new cells then cancer will occur. In order of all cells to be
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have a huge impact on the communication between cells. Cell communication is a crucial process necessary for cells to carry out various functions. Drugs such as Methylenedioxymethamphetamine (MDMA)‚ known as ecstasy‚ can create barriers or confusion to cells. Cell to cell communication carry messages from signaling cells to target cells. Usually a cell will bind with a target cell through a receptor protein in the plasma membrane of the target cell
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Cells‚ Cell Division‚ and Cell Specialization Fundamentally Different Types of Cell Prokaryotic Cell- single celled: only DNA+ structure (“before nucleus”) E.g. zygote-complete DNA Eukaryotic Cell-multi-celled (“after nucleus”) Prokaryotes Eukaryotes DNA In “nucleoid” region Within membrane-bound nucleus Chromosomes Single‚ circular Multiple‚ linear Organelles None Membrane-bound organelles Size Usually smaller Usually larger- 50 times Organization Usually single-celled Often multicellular
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Cells of the body are organized into four fundamental tissues; epithelial‚ connective‚ muscle and nerve. Epithelial tissues line all surfaces of the body: the skin‚ cavities‚ ducts‚ vessels. They are named according to the cell shape on the free surface. Cells of a tissue are held together by the basement membrane and intercellular fibbers. These tissues receive their nutrition by diffusion‚ for they are without blood vessels. Simple squamous epithelium lines all blood and lymphatic vessel‚ including
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Cell: The cell is the basic structural‚ functional and biological unit of all known living organisms. Cells are the smallest unit of life that is classified as a living thing‚ and are often called the "building blocks of life". Discoverer: The cell was discovered by Robert Hooke in 1665. The cell theory‚ first developed in 1839 by Matthias Jakob Schleiden andTheodor Schwann‚ states that all organisms are composed of one or more cells‚ that all cells come from preexisting cells‚ that vital functions
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a.1 Eukaryotic Cell vs Prokaryotic Cell All cells can be classfied into prokaryotes and eukaryotes. Prokaryotes were the only form of life on Earth for millions of years until more complicated eukaryotic cells came into being through the process of evolution. Comparison chart All attributes Differences Similarities | Eukaryotic Cell | Prokaryotic Cell | Nucleus: | Present | Absent | Number of chromosomes: | More than one | One--but not true chromosome: Plasmids | Cell Type: | Multicellular
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