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Quest for haller cells: A digital orthopantomography study.

Kavitaa Nedunchezhian1, Nalini Aswath1, A Amudhan1

  • 1Department of Oral Medicine and Radiology, Sree Balaji Dental College and Hospital, Chennai, Tamil Nadu, India.

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Summary

Haller cells, an anatomical variation, were found in 23.61% of patients on panoramic radiographs. Identifying these ethmoidal cells aids in diagnosing orofacial pain and preventing surgical complications.

Keywords:
Digital panoramic radiographsHaller's cellsinfraorbital ethmoid air cellsorofacial pain

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Area of Science:

  • Anatomy
  • Radiology
  • Otolaryngology

Background:

  • Haller cells are ethmoidal air cells extending into the maxillary sinus floor or orbit.
  • These anatomical variations can be associated with sinusitis, orofacial pain, and nasal obstruction.

Purpose of the Study:

  • To determine the prevalence and characteristics of Haller cells.
  • To analyze Haller cells using digital orthopantomographs in a dental institution population.

Main Methods:

  • Retrospective, cross-sectional study of 600 panoramic radiographs (20-80 years).
  • Radiographs were analyzed for the presence, shape, and characteristics of Haller cells.
  • Data analyzed using descriptive statistics and frequencies/percentages.

Main Results:

  • Haller cells were identified in 23.61% of the study population.
  • The most common shapes observed were circular, ovoid, and irregular.

Conclusions:

  • Panoramic radiography is useful for identifying Haller cells.
  • Recognizing Haller cells is crucial for differential diagnosis of orofacial pain and for surgical planning in endonasal procedures.