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Occult malformations of the skull base
1Department of Otolaryngology, Head and Neck Surgery, Plastic Facial Surgery and Communication Disorders, Hospital Fulda, Academic Teaching Hospital of the University of Marburg, Fulda, Germany.
Archives of Otolaryngology--Head & Neck Surgery
|January 1, 1997
Summary
Occult skull base malformations can cause recurrent meningitis or cerebrospinal fluid leaks. Advanced imaging aids diagnosis, enabling surgical repair to prevent life-threatening complications.
Area of Science:
- Neurosurgery
- Radiology
- Infectious Diseases
Background:
- Occult skull base malformations are rare and often present with serious complications.
- Complications include recurrent meningitis and cerebrospinal fluid (CSF) rhinorrhea, frequently delaying diagnosis.
Purpose of the Study:
- To highlight the diagnostic utility of advanced imaging techniques for occult skull base malformations.
- To emphasize the importance of identifying these lesions for timely surgical intervention.
Main Methods:
- Utilized high-resolution computed tomography (HRCT), fluorescein endoscopy, cisternography, and magnetic resonance imaging (MRI).
- Surgical repair (duraplasty) was performed in diagnosed cases.
Main Results:
- Diagnosed four patients with occult skull base malformations.
- Patients experienced 4-6 episodes of meningitis; 3 had confirmed CSF rhinorrhea.
- Identified various malformations including encephaloceles, meningoceles, and dural lesions in specific skull base regions.
Conclusions:
- Recurrent meningitis or CSF rhinorrhea warrants investigation for occult dural lesions using modern diagnostic methods.
- Early diagnosis and surgical repair of occult skull base malformations are crucial for preventing fatal meningitis episodes.