Dr. Keith E. Stuart is a medical oncologist specializing in the study and treatment of cancers involving the gastrointestinal tract, with a special interest in tumors involving the liver. He was educated at Harvard University (graduating magna cum laude) and Albert Einstein College of Medicine and did his medical training at the New England Deaconess Hospital.
Melissa Conrad Stöppler, MD, is a U.S. board-certified Anatomic Pathologist with subspecialty training in the fields of Experimental and Molecular Pathology. Dr. Stöppler's educational background includes a BA with Highest Distinction from the University of Virginia and an MD from the University of North Carolina. She completed residency training in Anatomic Pathology at Georgetown University followed by subspecialty fellowship training in molecular diagnostics and experimental pathology.
Cryoablation is similar to RFA in that a single tumor is identified and then targeted by a radiologist with a needle inserted through the skin directly into the cancer. However, instead of using heat, cryoablation sues a probe filled with liquid nitrogen to freeze the tumor and kill it that way. This is probably as effective as RFA but can be used in some tumor locations where heat might accidentally damage adjacent organs (like when the gallbladder or colon is too close to the tumor).
Stereotactic radiosurgery
Stereotactic radiosurgery (SRS) is a new technique directing radiation (high-powered X-ray beams) directly to the tumor. Previously, radiation could not generally be used for liver cancer, because the normal liver was more sensitive to dying from radiation than the cancer was. SRS uses computer planning and CT scans to model the exact size, shape, and location of the cancer. It then directs the radiation machine, which can move around the patient in all three dimensions, to give many individual beams of radiation designed to converge just on the tumor, thus sparing much of the normal liver from the cumulative high doses. This appears to be very effective against solitary tumors.
Proton beam therapy
This technique is able to deliver high doses of radiation to a
defined local area. Proton beam therapy is used in the treatment of other solid
tumors as well. There are not much data yet regarding the efficacy of this
treatment in liver cancer. The ideal patient is one with only a small (<5 cm) solitary lesion. To
have this procedure done, the patient actually is fitted with a body cast so
that he or she can be placed in the identical position for each session. Therapy
is conducted daily for 15 days. Preliminary data from the U.S. suggest similar
effectiveness as seen with TACE or ablation therapy. It is not known, however,
whether this type of radiation treatment prolongs the life of the patient.
How do these various medical treatment procedures compare to each other?
We
really don't know because there are no head-to-head studies comparing
chemotherapy, chemoembolization, ablation techniques, and proton beam therapy to
each other. Most reports deal with a heterogeneous group of patients who have
undergone only one specific treatment procedure or another. Therefore, selection
of a treatment option for a particular patient will depend primarily on the
expertise of the doctors in the patient's area. Studies are also needed to
evaluate combinations of these procedures (for example, proton beam and TACE). Decisions are generally made by a multidisciplinary team of liver cancer specialists who are knowledgeable and expert in all of these techniques, so that the team can choose the best method for an individual patient depending upon overall health and liver function as well as the size, number, and location of the tumors.
Abdominal pain is pain in the belly and can be acute or chronic. Causes include inflammation, distention of an organ, and loss of the blood supply to an organ. Abdominal pain can reflect a major problem with one of the organs in the abdomen such as the appendix, gallbladder, large and small intestine, pancreas, liver, colon, duodenum, and spleen.
Cirrhosis of the liver refers to a disease in which normal liver cells are replaced by scar tissue caused by alcohol and viral hepatitis B and C. This disease leads to abnormalities in the liver's ability to handle toxins and blood flow, causing internal bleeding, kidney failure, mental confusion, coma, body fluid accumulation, and frequent infections. Symptoms include yellowing of the skin, itching, and fatigue.
Hepatitis C is an inflammation of the liver due to the hepatitis C virus (HCV), which is usually spread by
blood transfusion, hemodialysis, and needle sticks, especially with intravenous
drug abuse. Chronic hepatitis C may be treated with interferon, usually in combination with anti-virals.
Cholesterol is naturally produced by the body, and is a building block for cell membranes and hormones. Low-density lipoprotein (LDL) cholesterol is the "bad" cholesterol, conversely, high-density lipoprotein (HDL) cholesterol is the "good" cholesterol. High cholesterol treatment includes lifestyle changes (diet and exercise), and medications such as statins, bile acid resins, and fibric acid derivatives.
Jaundice is a yellowish staining of the skin and whites of the eyes (sclerae) with bilirubin, the pigment found in bile. Jaundice can be an indicator of liver or gallbladder disease, or it may result from the rupture of red blood cells (hemolysis).
Alcoholism is a disease that includes alcohol craving and continued drinking despite repeated alcohol-related problems, such as losing a job or getting into trouble with the law.
The hepatitis B virus is a unique, coated DNA virus belonging to the Hepadnaviridae family of viruses. The course of the virus is determined primarily by the age at which the infection is acquired and the interaction between the virus and the body's immune system. Successful treatment is associated with a reduction in liver injury and fibrosis (scarring), a decreased likelihood of developing cirrhosis and its complications, including liver cancer, and a prolonged survival.
Ascites, the accumulation of fluid in the abdominal cavity is most commonly caused by cirrhosis of the liver. Some of the other causes of ascites include portal hypertension, congestive heart failure, blood clots, and pancreatitis. The most common symptoms include increased abdominal girth and size, abdominal bloating, and abdominal pain. Treatment depends on the cause of ascites.
Polycythemia (elevated red blood cell count) causes are either primary (aquired or genetic mutations) or secondary (diseases, conditions, high altitude). Treatment of polycythemia depends on the cause.
Cancer is a disease caused by an abnormal growth of cells, also called malignancy. It is a group of 100 different diseases, and is not contagious. Cancer can be treated through chemotherapy, a treatment of drugs that destroy cancer cells.
Nonalcoholic fatty liver disease (NAFLD) refers to a wide spectrum of liver disease ranging from simple fatty liver (steatosis), to nonalcoholic steatohepatitis (NASH), to cirrhosis (irreversible, advanced scarring of the liver). All of the stages of NAFLD have in common the accumulation of fat (fatty infiltration) in the liver cells (hepatocytes).
Insulin resistance is the diminished ability of cells to respond to the action of insulin in transporting glucose (sugar) from the bloodstream into muscle and other tissues. Causes of insulin can include conditions such as stress, obesity, metabolic syndrome, and steroid use. Some of the risk factors for insulin resistance include fatty liver, heart disease, strokes, peripheral vascular disease, high cholesterol, and smoking. Treatment for insulin resistance are lifestyle changes and if necessary, medication.
Hepatitis is most often viral, due to infection with one of the hepatitis viruses (A, B, C, D, E, F (not confirmed), and G) or another virus (such as those that cause infectious mononucleosis, cytomegalovirus disease). The main nonviral causes of hepatitis are alcohol and drugs. Many patients infected with hepatitis A, B, and C have few or no symptoms of illness. For those who do develop symptoms of viral hepatitis, the most common are flu- like symptoms including: loss of appetite, nausea, vomiting, fever, weakness, tiredness, and aching in the abdomen. Treatment of viral hepatitis is dependant on the type of hepatitis.
Hereditary hemochromatosis (iron overload) is an inherited disorder in which there is excessive accumulation of iron in the body. Individuals may have no symptoms or signs, or they can have severe symptoms and signs of iron overload. The most effective treatment for hemochromatosis is therapeutic phlebotomy.
Primary Biliary Cirrhosis is a chronic disease characterized by progressive inflammation and destruction of small bile ducts within the liver. The bile ducts transport bile from the liver to the intestine for the absorption of fat and elimination of waste products. The causes of Primary Biliary Cirrhosis may involve autoimmunity, infection, or genetic predisposition, acting alone or in combination. There are many medications and treatment options available for those with this and other associated diseases of Primary Biliary Cirrhosis.
The liver is the largest solid organ in the body, and is actually an gland. The liver has a wide variety of critical functions such as manufacturing proteins and metabolizing fats and carbohydrates. The liver also eliminates harmful biochemical waste products from the body (alcohol, drugs, toxins). The liver secretes bile that aids in digestion. Examples of diseases of the liver include cirrhosis, hepatitis, cancer, and fatty liver. Symptoms of liver disease include bleeding, easy bruising, edema, fatigue, and jaundice.
Mold exposure may cause symptoms in people who are sensitive to molds. Symptoms of mold allergy include sneezing, runny nose, wheezing, coughing, redness of the eyes, and rash. Prevent mold growth by keeping indoor humidity low, between 30%-50%, using bathroom fans when showering, repairing plumbing leaks quickly, and using an air conditioner during humid seasons.
Primary sclerosing cholangitis (PSC) is a chronic, progressive disease of the bile ducts that channel bile from the liver into the intestines. There is an association between primary sclerosing cholangitis and ulcerative colitis and Crohn's disease. Symptoms of primary sclerosing cholangitis include abnormal liver blood tests, itching, fatigue, and jaundice. Primary sclerosing cholangitis is treated with medications and in some cases, liver transplant.
Anabolic steroids are synthetic substances that are related to testosterone and promote skeletal muscle growth and the development of male sexual characteristics in both men and women. In the 1930s, it was discovered that anabolic steroids could promote skeletal muscle growth in lab animals, which lead to anabolic steroid abuse by bodybuilders and weight lifters.
Digestion is the complex process of turning food you eat into the energy you need to survive. The digestive process also involves creating waste to be eliminated, and is made of a series of muscles that coordinate the movement of food.
Alpha-1 antitrypsin deficiency is an inherited disorder that may cause liver and lung disease in adults. Signs and symptoms include shortness of breath, wheezing, weight loss, respiratory infections, fatigue, vision abnormalities. Advanced lung disease from alpha-1 antitrypsin deficiency include emphysema. Liver damage from alpha-1 antitrypsin deficiency causes a swollen abdomen, swollen legs or feet, and jaundice.
Hepatitis A and hepatitis B are the two most commnon viruses that infect the liver. Hepatitis A and Hepatitis B can be prevented and treated with immunizations (vaccinations) such as Havrix, Vaqta, Twinrix, Comvax, Pediarix, and hepatitis b immune globulin (HBIG).
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