Care of Cancer Essay Example | Topics and Well Written Essays - 750 words

Care of Cancer - Essay Example Oncologists or physicians perform tests to verify the diagnosis of cancer. However, more tests are recommended by a doctor to find out more on the cancer. This is because most tests are vogue and cannot be relied on for treatment. Additionally, there are types of cancer that are hard to classify. Lymphomas is one of the types cancer that require more than one test to ascertain its existence on the body. Combination of thorough test and evaluation of the patient history of symptoms provides a clear analysis for confirmation of presence or absence of cancer. Additionally, clear and effective diagnosis provides steps of monitoring the disorder and the rightful treatment for the diseases. The most common diagnostic methods of cancer are; biopsy, x-rays, endoscopy, diagnostic imaging and the blood test. According to Regnard and Kindlen (2002), biopsy is one of the diagnostic methods for cancer and it is done by surgically removing the tissue sample and put under microscopic test. The process involves either a short needle or a longer needle with the help of scan guidance such as CT scan or ultrasound. Diagnostic imaging is a technique used to provide internal image of the body. There are various processes performed under diagnostic imaging, such as X-rays, CT scans, positron emission tomography and magnetic resonance imaging (MRI). X-rays is the most common method used for screening lung and breast cancer. The method is effective in determining the spread of cancer to bones. CT and MRI scans are mainly used to ascertain the level of tumour and the results of treatment. The images produced during CT scans are analysed using a computer to produce images with a high number of tissues. However, MRI produces more detailed images than both CT and X-ray. Ultrasound is another diagnostic imaging for cancer. The aspects of ultrasound are not good like CT and

Subjective and Objective Perspectives of Photography Essay

Subjective and Objective Perspectives of Photography - Essay Example This quotation mentions a highly debated argument of the twenty-first century- the challenge associated with the reliability of camera-generated imagery and its contrast with paintings. Photographs have the tendency to mold our thinking in a way we never dreamt of. Following is a critical analysis of this comment about subjective and objective perspectives of photography. In recent years awareness about the nature of camera imagery made people change their stereotypical views regarding the issue. In order to support my essay, I have quoted references from related literature to further elaborate this viewpoint. â€Å"Photographic images have historically enjoyed, in our societies, a unique role, based for the most part on their supposed credibility. They have been acknowledged to offer a truthful visual representation of the world and our societies accept it as truth sentences such as "Photographs don't lie," "A picture is worth a thousand words," and "Seeing is believing" (Garvard, 1999). Camera generated images experience a subjective overtone together with automatic and mechanized actions involved in photography. Over the years images have played a unique role in different societies because of the evidence that they are real representations of the events being captured. The main criticism is against the idea of believing what you see in a photograph as the images are not logically true. Rather, they are treated according to the aspiration of the photographer in order to assimilate certain meanings to them. With the passage of time and with technological advancement photographers manipulate the photo with subjective elements like personalization and framing. There is also a personal touch to photographs, as photographers project their own opinions into the image from choosing what to shoot to managing the picture’s background.