Long-Term Microscopic and Tissue Analytical Findings for 2 Frontal Sinus Obliteration Materials

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Certain difficult conditions of the frontal sinus necessitating radical surgery can be successfully treated by endonasal or nasofrontal duct reconstruction procedures.1-4 Surgery of the frontal sinus continues to pose technical challenges to head and neck surgeons. Frequent infections, inflammatory disorders, traumatic conditions, and tumors affecting this prominent esthetic location present unique requirements for successful surgical treatment. Indications for frontal sinus obliteration include problematic conditions that cannot be resolved with functional endoscopic sinus surgery techniques due to irreversibly damaged natural drainage (Fig 1).