Haller Cells: Identification and Management


  • Maxillary sinusitis caused by narrowing of OMC due to Haller (infraorbital) cell.


  • Definition: Ethmoidal air cells that extend along the medial floor of the orbit.
  • Haller cells lay posterosuperior to the natural maxillary os.
  • They may act to narrow the ethmoidal infundibulum.
  • Named after Albrecht von Haller, a Swiss anatomist.