Monday, February 24, 2020

The use of ultrasonography in the diagnosis, staging and therapy of Essay

The use of ultrasonography in the diagnosis, staging and therapy of hepatocellular carcinoma - Essay Example Also, the incidence of HCC worldwide varies according to the prevalence of hepatitis B and C infections. In the US, the incidence is 4 cases per 100,000. In areas such as Asia and sub-Saharan Africa, the rates are as high as 120 cases per 100,000 (Stuart, 2006). It occurs more commonly in men than in women. The median age of diagnosis the United States and Europe  is 65 years. In the African and Asian countries where the incidence is high, the age of diagnosis can be even in the 4th and 5th decades. The median survival from the time of diagnosis is generally 6 months. Length of survival depends largely on the extent of cirrhosis in the liver. Cirrhotic patients have shorter survival times, and in cases of  portal vein occlusion, the prognosis is even worse (Stuart, 2006). Cure  through surgery  is possible in less than 5% of all patients. Due to the multifocality nature of the tumor and invasion of the tumor into portal vein, surgical resection can be performed only in 20% cases (Wu, 2005). Death in HCC occurs due to hepatic failure, cachexia, variceal bleeding or even due to tumor rupture and bleeding into the peritoneum. The patients generally present with symptoms related to cirrhosis like pruritus, jaundice, variceal bleeding, cachexia, pain in the hepatic region, increasing abdominal girth, splenomegaly and hepatic encephalopathy (Stuart, 2006). The etiology of cirrhosis could be alcohol induced, infections due to Hepatitis B or C, hemochromatosis, aflatoxin or even primary biliary cirrhosis, androgenic steroids, primary sclerosing cholangitis, 1-antitrypsin deficiency, Thorotrast radioactive contrast, oral contraceptives, and porphyria cutanea tarda (Stuart, 2006). In about 80% of cases, cirrhosis is the cause. However, 20% of cases are due to noncirrhotic, nonviral causes (Ulmer, 2000). Liver being the largest organ in the body varies considerably in size and configuration from

Saturday, February 8, 2020

Eating habit Essay Example | Topics and Well Written Essays - 500 words

Eating habit - Essay Example Another advantage of writing down what you eat is that you can also monitor your calorie intake. As a person wanting to maintain a healthy lifestyle and stick to a normal weight, I find this very helpful. Based on the content of the food journal, it is easy to pinpoint how one can examine his eating patterns as well as modify them in order to pursue a healthier lifestyle. Being aware of others' eating habits will allow me to recommend which food to avoid and which food to increase intake of. According to recent scientific studies, there might be a link between genetics and eating habits but in only a small number of people. The assertion that there might be this "fat genes" which makes people obese is not really applicable to everyone. I believe that in the nature and nurture debate, eating habit and lifestyle is still highly dependent on nurture. A person's eating habit is usually acquired from the parents. Food preference specifically is a thing of what parents give their children to eat. Studies show that the taste of mom's breast milk is dependent on what she eats. Thus, even in the early years, environmental factors weigh in considerably. As a person grows old, he often acquires the eating habit of his parents.