716
We report an additional case of isotretinoin teratogenicity in which the patient had agenesis of the cerebellar vermis, multiple leptomeningeal neuroglial heterotopias, hydrocephalus, and abnormalities of the corticospinal tracts.
 adverse event: teratogenicity 
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: adverse event, potential therapeutic event 
Text: {0} 
Answer:
 adverse event: teratogenicity 