Haller’s cells (infraorbital ethmoid cells)

  • Haller’s cells, also known as infraorbital ethmoid cells are located at the medial roof of the maxillary sinus in the inferior most portion of the lamina papyracea
  • It is related to the orbital floor

Clinical significance:

  • It is closely related to the infundibulum and may compromise the ostium of the maxillary sinus
  • Hence it is a proposed cause of recurrent maxillary sinusitis

Otorhinolaryngology, Head and Neck Surgery By Matti Anniko, Manuel Bernal-Sprekelsen, Patrick Bradley

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