Objective: Estimate the prevalence of craniocervical pneumatization (CCP) and describe successful treatment of this condition with clinical and radiologic correlation.
Patients: Individuals with documented CCP on computed tomography (CT).
Intervention(s): CT scans of the head, temporal bone, face, neck, and cervical spine. Cessation of habitual Valsalva maneuver (VM) and insertion of pressure-equalization (PE) tubes.
Main Outcome Measure: The prevalence of CCP on CT examinations performed during two decades in a large academic healthcare system. Documentation of symptomatic and imaging improvement following treatment of CCP.
Results: Radiology database review identified two cases of CCP out of a total of 636,854 head and neck CT scans (0.00031%) or 43,553 temporal bone CT scans (0.0046%). Both CCP patients were symptomatic (aural fullness, hearing loss, vertigo) and practiced habitual VM. One patient showed decreased CCP 4 months following cessation of VM, whereas the other patient improved symptomatically and demonstrated reversion of CCP to normal bone on magnetic resonance imaging (MRI) within 3 years following PE tube placement.
Conclusions: Acquired CCP is exceedingly rare and, when successfully treated, reversion to normal bone may accompany symptom resolution.
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