Ohngren's line
Ohngren's Line (pronunciation: /ˈɔːŋrɛn/; etymology: Named after Swedish radiologist, Sven Ohngren) is a theoretical line used in the medical field, particularly in oncology and otolaryngology, to determine the prognosis of oral cancer.
Definition
Ohngren's Line is an imaginary line drawn from the medial canthus of the eye to the angle of the mandible. Tumors located above this line are associated with a better prognosis than those located below it.
Usage
The line is used to classify tumors of the oral cavity and oropharynx, particularly squamous cell carcinoma. It is a significant factor in determining the prognosis and treatment plan for patients with these types of cancer.
Related Terms
- Medial Canthus: The inner corner of the eye where the upper and lower eyelids meet.
- Mandible: The lower jawbone.
- Prognosis: The likely course of a disease or ailment.
- Squamous Cell Carcinoma: A type of skin cancer that begins in the squamous cells.
- Oncology: The study and treatment of tumors.
- Otolaryngology: The study of ear, nose, and throat conditions.
See Also
External links
- Medical encyclopedia article on Ohngren's line
- Wikipedia's article - Ohngren's line
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