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[Frontal sinus osteomas: neuro-ophthalmological complications]
P Bourgeois1, A Fichten, E Louis
1Clinique Neurochirurgicale, Hôpital Nord, Chemin des Bourrely, 13915 Marseille Cedex 20, France.
Neuro-Chirurgie
|June 8, 2002
Summary
Frontal sinus osteomas, benign tumors, can cause serious neuro-ophthalmological issues. Early diagnosis via CT/MRI and surgical removal are crucial for treating these rare but complex cases.
Area of Science:
- Otolaryngology
- Neurosurgery
- Radiology
Background:
- Osteomas are common benign tumors of the paranasal sinuses, frequently originating in the frontal sinus.
- They are often asymptomatic incidental findings on imaging studies.
- Rarely, osteomas can extend beyond sinus boundaries, leading to complications.
Observation:
- Two cases illustrate neuro-ophthalmological complications from frontal sinus osteomas.
- Case 1: A young female with visual impairment and orbital deformity due to a large calcified frontal sinus osteoma with intraorbital and frontobasal extension.
- Case 2: A young male with acute frontoethmoidal sinusitis caused by a frontal sinus osteoma obstructing nasofrontal ducts, leading to mucocele and intracranial extension.
Findings:
- Both patients underwent successful frontobasal craniotomy for complete osteoma and mucocele removal.
- Craniofacial bone reconstruction was performed in both cases.
- Surgical outcomes were positive, resolving the complications.
Implications:
- Neuro-ophthalmological and intrasinusal complications necessitate radical surgical treatment for frontal sinus osteomas.
- CT and MRI are essential for surgical planning and strategy in complex cases.
- Prompt diagnosis and intervention can prevent severe sequelae associated with expanding osteomas.