FACTS
- both are generally benign tumors
- rate of growth linear (not exponential like tumors)
Dermoid | Epidermoid |
- #1 most common congenital scalp lesions - failure of disjunction of neuroectoderm, contain epithelia, hair, sweat glands, cutaneous elements - nasal and inion lesions more likely to be dangerous (intracranial tracts to falx/tentorium) | ㅤ |
IMAGING
both can be located intracranially, most common sites being suprasellar, Sylvian fissure, CP angle, basilar-posterior fossa, intraventricularly (4th V)
both can be located intracranially, most common sites being suprasellar, Sylvian fissure, CP angle, basilar-posterior fossa, intraventricularly (4th V)
Dermoid | Epidermoid |
usually midline | No enhancement, + DWI restriction |
T1 hyperintense (similar to fat) | ㅤ |
A/P
Definitive Treatment: Surgery in all cases
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