[Multidose treatment of methotrexate in cornual ectopic pregnancy].

BACKROUND: Ectopic pregnancy represents a common entity when the differential diagnosis of first trimester pathologies is performed. Extratubal location, nonetheless, is an in unfrequent situation that delays and difficults the diagnoses.

CASE REPORT: 41-year-old women who goes to clinic for a pregnancy test, which proved positive done. During normal ultrasonographic we observed attached with endometrial 8 mm thick, without gestational sac inside, no free liquid in the bottom of the pouch of Douglas. In the left cornual region had a suggestive image of ectopic pregnancy, of 2.8 cm, with embryo without cardiac activity, tested with Doppler color, according to 6 weeks of amenorrhea was observed. The level of β-HCG was 17,656 mU/mL, which confirmed the diagnosis of corneal ectopic pregnancy. Multidose protocol of methotrexate and folinic acid was prescribed at a dose of 50 mg on days 1, 3, 5 and 7, and 5 mg in the days 2, 4, 6 and 8, respectively. After 14 days of treatment a new β-HCG study control was made, which results was 2,519 mU/mL. From that time we take a weekly control studies of the β-HCG until was negative (six months later). The multidose protocol of methotrexate and folinic acid is an effective treatment in patients with cornual ectopic pregnancy.