Lines of Sebileau pass through
Correct Answer: Floor of orbit and maxillary antrum
Description: Lederman's classification of carcinoma of the maxillary sinus is using two lines of Sebileau, one passing through the floor of maxillary antrum the other through the roof of antrum or floor of orbit dividing area into Supra structure, Mesostructure and Intra structure. (Ref: Textbook of diseases of ENT, PL Dhingra, 7th edition, pg no. 233)
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ENT
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