Which of the following is true regarding dermoid cysts? A. More common than epidermoid cysts B. Follows CSF intensity C. More common in young adults D. Does not contain dermal appendages
The answer is C. Briefly, dermoid cysts are much less common than epidermoids, follow fatty attenuation, and do contain dermal appendages.
What is the most common location of dermoid cysts? A. Suprasellar cistern B. Cerebellopontine angle C. Posterior fossa D. Prepontine cistern
A, suprasellar cistern is the most common location for dermoid cysts.
Which of the following is a complication of ruptured dermoid cysts? A. Seizures B. Infection C. Hydrocephalus D. Herniation
A, seizures secondary to chemical meningitis. Chemical meningitis may also result in vasospasm and eventually infarction.
Axial non-contrast CT demonstrates multiple hypodensities with fat attenuation at the left gyrus rectus and interhemispheric fissure anteriorly.