Benign cystic teratoma of unilateral fallopian tube associated with intrauterine pregnancy: a case report.

Primary teratomas of the fallopian tube are extremely uncommon. To date, only about 50 cases have been reported in the literature. Six of them are reported to have been in conjunction with tubal ectopic pregnancies. Herein we present the first case of benign cystic teratoma of the unilateral fallopian tube associated with an intrauterine term pregnancy, reported in Taiwan.