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  • Title: [Haller's cells: morphologic evaluation and clinico-surgical relevance].
    Author: Kainz J, Braun H, Genser P.
    Journal: Laryngorhinootologie; 1993 Dec; 72(12):599-604. PubMed ID: 8141938.
    Abstract:
    Ethmoidal cells that have developed into the floor of the orbit or into the roof of the maxillary sinus, respectively, are known as Haller's cells. 528 patients, in whom functional endoscopic sinus surgery was performed, were explored regarding the presence of Haller's cells. 43 patients presented with Haller's cells at least on one side (8.14%). CT scans of these patients were evaluated morphometrically measuring the dimensions of the Haller's cells as well as of the maxillary sinus. Further anatomical variations of the paranasal sinuses (concha bullosa, supraorbital cell, agger nasi cell) and the keros type of the ethmoid sinus roof were seen. A highly significant difference could be demonstrated between the incidence of Haller's cells in men (4.9%) and women (11.9%). For the first time it was possible to demonstrate a frequency distribution between Haller's cells deriving from the anterior ethmoidal cells (88%) and those originating from the posterior ethmoidal cells (12%). In 56% Haller's cells were opacified on CT-scan showing a mucosal swelling respectively a retention of secretion during endoscopic surgery.
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