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Skull base osteomyelitis and potential cerebrovascular complications in children
Mariasavina Severino1, Sidath Liyanage, Vas Novelli
1Neuroradiology Department, G. Gaslini Children's Hospital, Largo G. Gaslini 5, 16147, Genoa, Italy.
Insights
Skull base osteomyelitis is a severe infection, often difficult to diagnose. This pictorial essay details its imaging findings and complications, crucial for timely treatment.
Area of Science:
- Infectious Diseases
- Radiology
- Otolaryngology
Background:
- Skull base osteomyelitis is a rare but serious infection affecting the base of the skull.
- It predominantly impacts elderly, immunocompromised individuals but can occur in children.
- Infections can be typical (ear-related, temporal bone) or atypical (sinus-related, clivus).
Purpose of the Study:
- To present a comprehensive overview of imaging findings in skull base osteomyelitis.
- To illustrate the diverse spectrum of potential complications associated with this infection.
- To enhance diagnostic accuracy and understanding of skull base osteomyelitis through radiological examples.
Main Methods:
- This is a pictorial essay, focusing on the visual representation of imaging findings.
- The study reviews various imaging modalities used to diagnose skull base osteomyelitis.
- Case examples are implicitly used to demonstrate typical and atypical presentations and complications.
Main Results:
- Imaging findings vary depending on the type and cause of osteomyelitis.
- Common pathogens include Pseudomonas aeruginosa, Aspergillus, Salmonella, and Staphylococcus species.
- Complications range from abscesses and cranial neuropathies to vascular involvement like sinovenous thrombosis.
Conclusions:
- Accurate diagnosis of skull base osteomyelitis relies on recognizing characteristic imaging patterns.
- Early identification of complications is vital for effective management and improved patient outcomes.
- Multidisciplinary collaboration is essential for managing this complex infection.
Abstract:
Skull base osteomyelitis is an aggressive, life-threatening infection that can be challenging to diagnose and treat. It occurs predominantly in elderly immunocompromised patients, but it has also been reported in children with normal immunological status. Typical skul base osteomyelitis arises as a complication to ear infection mainly involving the temporal bone and is usually caused by Pseudomonas aeruginosa. Atypical or central skul base osteomyelitis originates from paranasal infections, is primarily centred on the clivus and is usually caused by Aspergillus, Pseudomonas, Salmonella or Staphylococcus species. Potential complications include retropharyngeal abscesses, cranial neuropathies, meningitis, intracranial abscesses, sinovenous thrombosis, and carotid artery involvement with or without ischemic infarcts. The purpose of this pictorial essay is to illustrate the spectrum of imaging findings and potential complications of skul base osteomyelitis.
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