Primary adenocarcinoma of Fallopian tube is a rare gynecological malignancy affecting women in the fifth and sixth decades of their lives. The rarity of this type of carcinoma has prompted reports of individual cases rather than publication of a large series. One such case is reported in a 50-year-old nulliparous post-menopausal female. The age, low fertility index and presentation of the disease are in accordance with previous reports in the literature. The present case also fulfills the diagnostic criteria's applied to this tumor.