“…Ein et al [13] suggested that the functioning choroid plexus might be responsible for the cystic components of SCTs. Many cases of type I large cystic variants have been reported in the past literature [5, 11, 14], and some cases of type II [4, 11] and type IV [6,7,8,9, 14], but no case of type III cystic teratoma has been observed, especially those with a nonepithelialized external cyst.…”