%0 Journal Article %T Congenital Mastoidal Cholesteatoma in an 87 %A Elnaz Sepehri %A Magnus von Unge %J OTO Open %@ 2473-974X %D 2018 %R 10.1177/2473974X18765700 %K congenital mastoidal cholesteatoma %K treatment %K watchful waiting %U https://journals.sagepub.com/doi/full/10.1177/2473974X18765700