eMedTV Conditions & Diseases A-Z
This eMedTV Web page describes leg cellulitis, which is a condition characterized by redness, warmth, swelling, and pain. Causes of the condition, risk factors, common symptoms, the diagnostic process, and treatment options are also described.
This eMedTV Web page explains that Lennox-Gastaut syndrome is a severe form of epilepsy that can result in developmental delays in children. The causes, symptoms, and treatment of this disorder are also featured in this article.
Leprosy is a complex infectious disease caused by an infection with the bacteria Mycobacterium leprae. This eMedTV article discusses the disease in detail, including its history, transmission methods, the various types, treatments, and prevalence.
Leukemia is a type of cancer that starts in the blood-forming tissue and produces abnormal white blood cells. This eMedTV article discusses leukemia and provides information about risk factors and symptoms associated with the disease.
Leukemia is a cancer of the blood and bone marrow in which the body produces abnormal white blood cells. This eMedTV article offers an overview of leukemia, including information about types of the disease, its symptoms, and its treatment.
Lewy body dementia is a form of dementia characterized by abnormal structures in the brain. This eMedTV article offers an overview of Lewy body dementia, including information about symptoms associated with it and how they are treated.
Lice are tiny wingless insects that feed on a human's blood. This eMedTV Web page offers an overview of the three different types of lice that affect humans, including information on the symptoms, diagnosis, transmission, and treatment of lice.
Lichen sclerosus is a skin condition often affecting the genitals, and is more common in women than in men. This eMedTV article explains lichen sclerosus, including symptoms, treatment options, and how a diagnosis is made.
Liver cancer is a serious disease in which cancerous cells develop in the tissues of the liver. This eMedTV article offers an overview of liver cancer, including information about its risk factors, its symptoms, and treatment options for the disease.
Low Malignant Potential Ovarian Cancer
This page on the eMedTV website provides a detailed look at low malignant potential ovarian cancer (a disease in which precancerous cells form in the tissue covering the ovary). It explores treatment options, staging methods, and more.
Lower back pain occurs most often in people between the ages of 30 and 50. This eMedTV article examines this common ailment in detail, which can be due to the aging process, but can also be a result of sedentary lifestyles with too little exercise.
This eMedTV page includes information about the spine and how it relates to lumbar spinal stenosis. The condition is generally the result of pressure on the lower part of the spinal cord or on nerve roots. Links to more information are also provided.
Lung cancer is characterized by uncontrolled cell growth in the tissues of the lung. This eMedTV resource contains a wealth of information on the topic and explains how to use the channel to find the specific information on lung cancer that you need.
Lung cancer is a disease in which uncontrolled abnormal cell growth begins in the lungs. This eMedTV article offers an overview of lung cancer, including information about causes, types, and symptoms of the disease.
Lung sarcoidosis is characterized by the formation of tiny lumps of cells (granulomas) in the lungs. As this eMedTV article explains, this condition is not a form of cancer. This portion of the Web site provides an overview of lung sarcoidosis.
Lyme disease is typically spread through bites of ticks infected with the Borrelia burgdorferi bacterium. This eMedTV health channel provides in-depth information on the Lyme disease, including symptoms and treatment options.
Lyme disease can occur as a result of a bite from an infected black-legged tick. This eMedTV resource discusses testing and treatment for Lyme disease. This page also describes Lyme disease symptoms, such as the characteristic rash.
Lymphocytic colitis is a disease that affects the intestines, especially the colon. As this eMedTV Web page explains, symptoms of the condition typically include abdominal pain and watery, non-bloody diarrhea. Treatment and causes are also discussed.
This eMedTV segment deals with Machado-Joseph disease, a hereditary condition that is characterized by clumsiness and weakness in the arms and legs, among other things. This page talks about the types, symptoms, and causes of this disease.
Macular degeneration is an eye disease that causes blurry vision. Its cause is unknown. This eMedTV Web page provides information about macular degeneration and its diagnosis, symptoms, and treatment options -- such as injections and surgery.
As this eMedTV article explains, macular degeneration is an age-related disease that affects the central vision needed for activities like reading and driving. This Web page provides detailed information about macular degeneration.
A macular hole is a tear in the macula (the part of the retina that facilitates sharp, central vision). As this eMedTV article explains, macular holes can often be related to aging. This page provides an in-depth look at macular holes.
A macular pucker (scar tissue on the retina) often results in blurred vision. This eMedTV article provides an in-depth look at what a macular pucker is, how it differs from other eye conditions, and how to recognize possible symptoms.
Malaria is caused by an infection with the Plasmodium parasite and, if left untreated, is potentially fatal. This eMedTV channel contains a wealth of knowledge on malaria, including possible symptoms and treatment options.
Malaria is a disease caused by an infection with parasites called Plasmodium. This eMedTV page explains how malaria is usually transmitted through the bite of an infected female Anopheles mosquito. Symptoms and treatment are also discussed.
Male breast cancer makes up less than 1 percent of all breast cancer cases. This eMedTV article explores causes, risk factors, stages, and prognosis information for male breast cancer, which caused an estimated 460 deaths in the US in 2005.
Male incontinence is a medical problem that occurs if the bladder muscles contract, or the muscles surrounding the urethra relax, without warning. This eMedTV article discusses male incontinence and links to other articles about urinary incontinence.
Malignant Fibrous Histiocytoma
Malignant fibrous histiocytoma is a rare condition in which a tumor develops in the soft tissue or bone. This eMedTV article offers an overview of malignant fibrous histiocytoma, with information about its symptoms, its treatment options, and more.
Malignant mesothelioma is a rare form of cancer that most often affects the pleura, the thin layer of tissue covering the lungs. As this eMedTV segment explains, malignant mesothelioma is often the result of exposure to asbestos.
Malignant Pleural Mesothelioma
Malignant pleural mesothelioma is a rare form of cancer that affects the thin layer of tissue that covers the lungs. This eMedTV article discusses malignant pleural mesothelioma, including information about its risk factors, symptoms, and diagnosis.
People suffering from manic depression experience radical shifts in mood, energy, and ability to function. This eMedTV resource discusses the cycles associated with the condition, including symptoms of manic episodes and depression episodes.
Marfan syndrome is an inheritable condition that affects the body's connective tissues. This eMedTV segment provides information about Marfan syndrome, including its causes, symptoms, treatment options, and prognosis.
Measles results when a person becomes infected with the measles virus. This health channel on the eMedTV Web site offers a wealth of information on the subject and also explains how to navigate the page to find specific information.
Measles is a viral disease characterized by high fever, cough, and a red, blotchy rash. This portion of the eMedTV archives explains statistics about measles and discusses the transmission, symptoms, and possible complications of this disease.
One of the most common childhood cancers, medulloblastoma is a type of brain tumor that forms in the back of the brain. This eMedTV article offers an in-depth explanation of medulloblastoma, including symptoms and treatment options.
The percentage of people who develop melanoma in the United States has doubled in the past 30 years. This eMedTV article offers an in-depth look at this increasingly common condition, including risk factors, symptoms, and treatment options.
Meningitis, an infection in the fluid surrounding the brain and spinal cord, can be very dangerous if left untreated. This eMedTV segment offers an in-depth look at meningitis and discusses its symptoms, prevention, and treatment.
As this eMedTV article explains, meningitis is an infection in the fluid around the brain and spinal cord. It is often caused by a viral or bacterial infection. This Web page discusses the causes, symptoms, and treatment of meningitis.
As this eMedTV article explains, meningocele is a condition that occurs when the spinal cord develops normally but the meninges protrude from a spinal opening. This Web page provides an overview of this type of spina bifida.
When a woman reaches menopause, her period stops and her body stops making certain hormones. This channel on the eMedTV Web site contains a number of articles on the subject, ranging from common symptoms, treatment options, and more.
Menopause is the time in a woman's life when her periods naturally no longer occur. This eMedTV article offers an overview of menopause, including information about menopausal symptoms, early menopause, and the average age at which menopause occurs.
Merkel cell carcinoma tends to develop on or just beneath the skin's surface and in the hair follicles. This eMedTV article provides an overview of this rare form of cancer, including symptoms, treatment options, and the chances of it metastasizing.
Mesothelioma is a rare form of cancer typically caused by asbestos exposure. This eMedTV Web page offers an overview of mesothelioma, including information about symptoms, staging, treatment options, and survival rates.
Mesothelioma is a form of cancer typically caused by exposure to asbestos. As explained in this eMedTV article, most cases of mesothelioma begin in the pleura (the lining around the lungs) or peritoneum (the lining around the abdomen).
Microscopic colitis is a disease that causes the colon to become inflamed. This eMedTV Web page explains the two forms of this disease, collagenous colitis and lymphocytic colitis, as well as symptoms and treatment options.
Migraines are the second most common headache syndrome in the United States after tension headaches. This eMedTV article takes a detailed look at migraine headache triggers, symptoms, diagnosis, and treatment options.
A mini-stroke is a sudden event in which the blood supply to the brain is interrupted for a short time. As this eMedTV segment explains, the symptoms of a mini-stroke often last less than 30 minutes, while those of a stroke last for at least 24 hours.
Mitral stenosis is the narrowing of the heart's mitral valve. The information contained in this eMedTV resource explains how the mitral valve works, as well as the health risks that may develop with mitral stenosis.
This eMedTV article discusses mitral valve prolapse, which occurs when the mitral valve bulges back into the left atrium when the left ventricle contracts. This page describes the anatomy behind mitral valve prolapse and explains how it is diagnosed.
When mitral valve regurgitation occurs, the heart's mitral valve does not close properly. This eMedTV article explains how mitral valve regurgitation allows blood to leak backwards into the left atrium.
A person can develop an allergy to the molds and yeasts that are commonly found indoors and outdoors. This eMedTV segment offers an in-depth look at the specific types of molds that cause allergies, as well as several ways to prevent mold allergy.
Monkeypox is a very rare viral disease that is transmitted through animal to human contact. This part of the eMedTV archives explores monkeypox and its causes, symptoms, diagnosis, and treatment options.
For most people with mono, symptoms include such things as swollen glands, fever, and sore throat. This eMedTV Web page describes these and other possible symptoms of mono, such as body aches, chills, and fatigue.
As this eMedTV article explains, monoclonal gammopathy of unknown significance (also known as monoclonal gammopathy) is a condition that results in abnormal plasma cells, which may lead to cancer (such as multiple myeloma or lymphoma).
Mononucleosis is a viral illness that often results in fever, swollen lymph glands, and a sore throat. This eMedTV article discusses the causes, transmission, symptoms, and treatment of mononucleosis and provides links to additional information.
Mosaic Turner syndrome describes women who are missing the X chromosome in some cells. This page from the eMedTV site further defines mosaic Turner syndrome and offers information on its symptoms and diagnosis.
Motor neuron disease is a type of neurological condition in which the cells that control muscle activity are destroyed. This eMedTV segment discusses the different types of motor neuron disease and associated causes, symptoms, and treatment options.
MS is a central nervous system disease that causes patients to lose coordination and muscle control. As this eMedTV page explains, MS is the leading cause of disability among young adults, and a diagnosis should be made as soon as symptoms occur.
As this eMedTV page explains, some doctors acknowledge multiple chemical sensitivity as a disorder caused by exposure to chemicals in the environment. This page highlights both sides of the debate over this controversial condition.
Multiple myeloma is a form of cancer that begins in plasma cells and affects multiple bones. This eMedTV article describes multiple myeloma in detail and includes information about its symptoms, diagnosis, and treatment.
Multiple sclerosis (MS) is a debilitating disease affecting the brain and spinal cord. This channel on the eMedTV site offers a number of articles on the topic, ranging from possible causes of multiple sclerosis, treatments, prognosis, and more.
Multiple sclerosis, the leading cause of disability among young adults, is a disease that affects the central nervous system. This eMedTV article discusses multiple sclerosis (also know as MS) in more detail, including its causes and symptoms.
Mumps is a contagious disease that is characterized by swelling of the salivary glands. Other conditions can also have similar symptoms. This eMedTV article offers information on the diagnosis, symptoms, and treatment of mumps.
Mumps is a contagious disease caused by a virus, the symptoms of which include swelling in the jaw and neck. This eMedTV article provides a detailed look at the mumps virus, including how it is transmitted, symptoms, and treatment options.
Myasthenia gravis is a disease characterized by a certain type of muscle weakness. As this eMedTV article explains, the weakness increases during activity and improves after rest. This page lists the causes, symptoms, and treatments of this disease.
Myelomeningocele is the most severe form of spina bifida. As this eMedTV segment explains, it is characterized by exposure of the spinal cord through an opening in the spine. This resource offers an in-depth look at myelomeningocele.
A myocardial infarction is more commonly known as a heart attack. This portion of the eMedTV archives describes what happens during a myocardial infarction and provides information about recognizing symptoms of this life-threatening event.
Myocardial ischemia, or angina, is a painful heart condition caused by lack of blood flow to the heart. This eMedTV Web page offers an in-depth look at the condition, including information on the causes, treatment, and prevention of the disease.
Narcolepsy is a chronic sleep disorder characterized by brief, uncontrollable attacks of deep sleep. This eMedTV segment offers an in-depth look at narcolepsy and its symptoms, causes, and treatment options.
Nephrogenic Diabetes Insipidus
Nephrogenic diabetes insipidus occurs when the kidneys are unable to respond to antidiuretic hormone (ADH). This eMedTV resource explains in detail how nephrogenic diabetes insipidus affects the balance of fluids in your body.