Ossifying Fibroma in Korea
Overview Ossifying fibroma is a rare, benign (non-cancerous) bone tumor that most often develops in the jawbones, particularly the mandible (lower jaw). It is a slow-growing but potentially expansive lesion that can cause facial asymmetry, discomfort, and dental displacement if untreated. In Korea, oral and maxillofacial specialists, as well as advanced dental hospitals, provide state-of-the-art […]
Osgood-Schlatter Disease in Korea
Overview Osgood-Schlatter Disease is a common knee condition that affects growing children and adolescents, especially those involved in sports that require running, jumping, or rapid changes in direction. It occurs when the tendon connecting the kneecap to the shinbone becomes irritated at the point where it attaches to the tibia, often leading to pain and […]
Os Trigonum Syndrome in Korea
Overview Os Trigonum Syndrome is a painful foot condition caused by irritation or injury to a small, extra bone (the os trigonum) located at the back of the ankle joint. This accessory bone is present in some people from birth and usually does not cause problems, but in certain cases—especially after injury or repetitive ankle […]
Orthostatic Tremor in Korea
Overview Orthostatic tremor (OT) is a rare movement disorder characterized by rapid, rhythmic muscle contractions in the legs and trunk that occur when standing still. The tremor typically disappears or significantly decreases when walking, sitting, or lying down. In Korea, diagnosis and treatment of orthostatic tremor are available at specialized neurology and movement disorder clinics, […]
Orthostatic Proteinuria in Korea
Overview Orthostatic proteinuria is a benign condition characterized by the presence of protein in the urine when a person is upright or active, but not when lying down. It is most commonly seen in children and young adults and is considered a harmless variant of proteinuria. Unlike other forms of proteinuria, orthostatic proteinuria does not […]
Orthostatic Hypotension in Korea
Overview Orthostatic hypotension, also known as postural hypotension, is a condition characterized by a sudden drop in blood pressure when a person stands up from a sitting or lying position. This can cause dizziness, lightheadedness, fainting, and falls. It often results from problems with the autonomic nervous system, dehydration, or underlying medical conditions. Managing orthostatic […]
Orthopoxvirus in Korea
Overview Orthopoxvirus is a genus of viruses within the Poxviridae family that includes several significant viruses affecting humans and animals. Notably, it includes the variola virus responsible for smallpox, vaccinia virus used in the smallpox vaccine, cowpox virus, and monkeypox virus. These viruses cause pox-like skin lesions and have played major roles in infectious disease […]
Oropouche Virus Disease in Korea
Overview Oropouche Virus Disease is a tropical viral illness caused by the Oropouche virus, primarily transmitted to humans through the bite of infected midges (biting insects). It is a significant cause of febrile illness in parts of Central and South America. The disease is characterized by sudden fever and flu-like symptoms, and while it is […]
Oropharyngeal Human Papillomavirus (HPV) Infection in Korea
Overview Oropharyngeal Human Papillomavirus (HPV) infection is a viral infection affecting the oropharynx, the middle part of the throat including the tonsils and base of the tongue. Certain high-risk types of HPV, especially HPV-16, are linked to the development of oropharyngeal cancers. HPV infection is now recognized as a major cause of throat cancers, particularly […]
Oropharyngeal Cancer in Korea
Overview Oropharyngeal cancer is a type of head and neck cancer that develops in the oropharynx—the middle part of the throat behind the mouth, including the base of the tongue, tonsils, soft palate, and walls of the pharynx. It is often linked to risk factors such as tobacco use, alcohol consumption, and infection with human […]