Medical Term:

Ohngren line

Pronunciation: ōn′gren

Definition: a theoretic plane passing between the medial canthus of the eye and the angle of the mandible; used as an arbitrary dividing line in classifying localized tumors of the maxillary sinus; tumors above the line invade vital structures early and have a poorer prognosis, whereas those below the line have a more favorable prognosis.

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