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1 results

  • Sinolith in the ethmoid sinus

  • S Kanzaki, Michiie Sakamoto
  • Journal:
    The Journal of Laryngology & Otology / Volume 120 / Issue 2 / February 2006
    Published online by Cambridge University Press:
    08 March 2006, pp. 1-3
    Print publication:
    February 2006

  • We report a case of sinolith in the left ethmoid sinus of a 61-year-old man. The patient complained of nasal obstruction. Computed tomography revealed a small, calcified mass associated with a nasal polyp in the left ethmoid sinus. The antrolith and polyp were removed via endoscopic sinus surgery. Histopathological analysis of the antrolith revealed it to be bone-like in formation. The antrolith was about 1 cm in diameter. Infrared spectroscopy revealed that the antrolith contained protein (45 per cent), calcium phosphate (43 per cent) and calcium carbonate (12 per cent).