Lichen Planus in Korea
Overview Lichen planus is a chronic inflammatory condition that affects the skin, mucous membranes, hair follicles, and nails. It manifests as purplish, itchy, flat-topped bumps and can cause discomfort and cosmetic concerns. Though the exact cause is unknown, it is considered an autoimmune disorder. What Is Lichen Planus? Lichen planus is a disease where the […]
Leukopenia in Korea
Overview Leukopenia is a medical condition characterized by a decreased number of white blood cells (leukocytes) in the bloodstream, which can weaken the immune system and increase the risk of infections. It is a sign of various underlying conditions and requires careful diagnosis and management. What Is Leukopenia? Leukopenia refers to a lower-than-normal white blood […]
Leukocytosis in Korea
Overview Leukocytosis is a condition characterized by an elevated white blood cell (WBC) count in the bloodstream, often indicating an underlying response to infection, inflammation, or other medical conditions. It is not a disease itself but a sign that requires further evaluation to determine its cause. What Is Leukocytosis? Leukocytosis refers to a higher-than-normal level […]
Leukemia in Korea
Overview Leukemia is a type of cancer that originates in the blood-forming tissues, primarily the bone marrow, leading to the uncontrolled production of abnormal white blood cells. These abnormal cells interfere with normal blood cell functions, causing a range of symptoms and complications. Early diagnosis and effective treatment are crucial for improved outcomes. What Is […]
Leptospirosis in Korea
Overview Leptospirosis is a bacterial infection caused by Leptospira species, typically transmitted through contact with water contaminated by the urine of infected animals. It affects humans worldwide and can cause a wide range of symptoms, from mild flu-like illness to severe organ damage. What Is Leptospirosis? Leptospirosis is a zoonotic disease caused by spiral-shaped bacteria […]
Leprosy (Hansen’s Disease) in Korea
Overview Leprosy, also known as Hansen’s disease, is a chronic infectious disease caused by Mycobacterium leprae. It primarily affects the skin, peripheral nerves, mucous membranes, and eyes. Early diagnosis and treatment are essential to prevent nerve damage and disability. What Is Leprosy (Hansen’s Disease)? Leprosy is a slow-progressing bacterial infection that mainly targets the skin […]
Leishmaniasis in Korea
Overview Leishmaniasis is a parasitic disease caused by protozoan parasites of the genus Leishmania, transmitted through the bites of infected female sandflies. It affects the skin, mucous membranes, and internal organs, leading to various clinical forms ranging from mild skin ulcers to severe visceral disease. What Is Leishmaniasis? Leishmaniasis refers to a group of diseases […]
Legionnaires Disease in Korea
Overview Legionnaires’ disease is a severe form of pneumonia caused by the Legionella bacteria, which thrive in water systems like cooling towers, hot tubs, and plumbing. It primarily affects the lungs, causing serious respiratory illness, especially in older adults and those with weakened immune systems. What Is Legionnaires’ Disease? Legionnaires’ disease is a type of […]
Latent Tuberculosis Infection (LTBI) in Korea
Overview Latent Tuberculosis Infection (LTBI) occurs when a person is infected with Mycobacterium tuberculosis but does not have active disease symptoms. The bacteria remain dormant in the body without causing illness or contagiousness. However, LTBI can progress to active tuberculosis (TB) if untreated, especially in individuals with weakened immune systems. What Is Latent Tuberculosis Infection […]
Laryngitis in Korea
Overview Laryngitis is an inflammation of the larynx, commonly known as the voice box, which causes hoarseness or loss of voice. It can be acute or chronic and results from infection, overuse, or irritation of the vocal cords. Though usually temporary, laryngitis can affect daily communication and comfort. What Is Laryngitis? Laryngitis refers to swelling […]