[Echographic diagnosis of the ethmoid sinus. I: General principles, experimental studies, study technic and normal...

A technique for the echographical examination of the ethmoidal sinus is presented. Experimental and clinical investigations have shown that the medium and even the posterior part of the ethmoid can be examined, if the probe is placed on the anesthesized conjunctiva of the lateral part of the palpebral fissure. Experimental and normal findings are demonstrated and discussed.