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Updated: Aug 16, 2026
19:53
Single-stage Dynamic Reanimation of the Smile in Irreversible Facial Paralysis by Free Functional Muscle Transfer
Published on: March 1, 2015
Facial paralysis caused by malignant skull base neoplasms
Sam J Marzo1, John P Leonetti, Guy Petruzzelli
1Center for Cranial Base Surgery, Loyola University, Chicago, Illinois, USA. smarzo@luc.edu
Neurosurgical Focus
|August 27, 2005
Summary
Bell palsy is common, but acute facial paralysis may signal a hidden skull base tumor. Early diagnosis is crucial to prevent severe outcomes and mortality.
Area of Science:
- Neurology
- Oncology
- Otolaryngology
Background:
- Bell palsy is the most frequent diagnosis for facial paralysis.
- This diagnosis is often incorrectly applied to all facial paralysis cases.
Observation:
- A retrospective review identified 11 patients with acute facial paralysis initially mimicking Bell palsy.
- All patients were later diagnosed with occult skull base neoplasms.
- Diagnosis delays were observed in all cases.
Findings:
- Neoplasms invading the facial nerve can present as acute paralysis resembling Bell palsy.
- This condition may not resolve spontaneously, unlike typical Bell palsy.
- Seven patients experienced mortality, while four remain disease-free.
Implications:
- Misdiagnosis of facial paralysis can lead to delayed treatment for skull base neoplasms.
- Prompt and accurate diagnosis is critical for improving patient outcomes.
- Increased mortality and morbidity rates are associated with delayed diagnosis and treatment.
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