Liss Oskar Georg Öhngren (September 20, 1891 – November 16, 1975) was an

otolaryngologist Otorhinolaryngology ( , abbreviated ORL and also known as otolaryngology, otolaryngology–head and neck surgery (ORL–H&N or OHNS), or ear, nose, and throat (ENT)) is a surgical subspeciality within medicine that deals with the surgical a ...

and

head and neck This article describes the anatomy of the head and neck of the human body, including the brain, bones, muscles, blood vessels, nerves, glands, nose, mouth, teeth, tongue, and throat. Structure Bones The head rests on the top part of the vertebra ...

surgeon In modern medicine, a surgeon is a medical professional who performs surgery. Although there are different traditions in different times and places, a modern surgeon usually is also a licensed physician or received the same medical training as ...

, and head of his department at the

Sabbatsberg Hospital Sabbatsberg Hospital ( Swedish: ''Sabbatsbergs sjukhus'') was a hospital in Vasastan in Stockholm. It was opened in 1879. In 1986, Swedish Prime Minister Olof Palme was pronounced dead at 00:06 CET on March 1 at Sabbatsbergs Hospital, after havin ...

Stockholm Stockholm () is the Capital city, capital and List of urban areas in Sweden by population, largest city of Sweden as well as the List of urban areas in the Nordic countries, largest urban area in Scandinavia. Approximately 980,000 people liv ...

, Sweden. He is best known for defining the Öhngren's line in a paper published in 1933. In the paper, he describes 187 cases of cancer of the paranasal sinuses and how their prognosis was worse if the tumor stretched behind an imaginary line from the medial

canthus The canthus (pl. canthi, palpebral commissures) is either corner of the eye where the upper and lower eyelids meet. More specifically, the inner and outer canthi are, respectively, the medial and lateral ends/angles of the palpebral fissure. Th ...

and the

ipsilateral Standard anatomical terms of location are used to unambiguously describe the anatomy of animals, including humans. The terms, typically derived from Latin or Greek roots, describe something in its standard anatomical position. This position pro ...

angle of the

mandible In anatomy, the mandible, lower jaw or jawbone is the largest, strongest and lowest bone in the human facial skeleton. It forms the lower jaw and holds the lower tooth, teeth in place. The mandible sits beneath the maxilla. It is the only movabl ...

. This classification holds value to this day.Cummings Otolaryngology - Head and Neck Surgery 5th ed, Ed. Paul W. Flint et.al., 2010, p:1127-8

References

Otolaryngologists Swedish surgeons 1891 births 1975 deaths 20th-century Swedish physicians 20th-century surgeons {{med-bio-stub