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Intracranial inverting papilloma
P J Miller1, J Jacobs, J T Roland
1Department of Otolaryngology, New York University School of Medicine, New York 10016, USA.
Head & Neck
|September 1, 1996
Summary
Intracranial extension of benign inverted papilloma is rare, occurring in only 0.34% of cases. This study investigated the incidence and treatment of dural invasion by inverted papillomas without malignancy.
Area of Science:
- Otolaryngology
- Neurosurgery
- Pathology
Background:
- Inverted papillomas typically arise from the nasal lateral wall, with rare extension into sinuses.
- Intracranial extension and dural invasion are uncommon, often linked to malignant transformation.
Observation:
- A literature review identified 1468 inverted papilloma cases.
- Five cases (0.34%) demonstrated intracranial extension without malignancy.
- One case showed histopathologically confirmed dural invasion.
Findings:
- Benign inverted papilloma with intracranial extension and dural penetration is exceedingly rare.
- Treatment modalities included surgery, radiotherapy, or combined approaches.
- No established uniform treatment plan exists for this rare condition.
Implications:
- Highlights the rarity of benign inverted papilloma with intracranial invasion.
- Suggests a need for further research into the pathophysiology and management strategies.
- Emphasizes the importance of careful histopathological evaluation to rule out malignancy.