Primary Fallopian tube carcinomas are very rare in incidence. They occur in a wide range of age group ranging from 17 to 88 years. The etiology of these tumours is unknown. Sometimes the tumour presents clinically like an ovarian malignancy and that only rarely the diagnosis of tubal malignancy is made preoperatively. Both the ovarian and Fallopian tube malignancy have similar age of occurrence being more common in nulliparous women and are of serous papillary morphology. Tumours of uncertain origin arising from ovary and tubes have generally been put under ovarian origin since ovarian tumours occurs at a greater frequency than that of the tubes. Here with presenting a case of Primary Fallopian tube carcinoma which was incidentally diagnosed in a case with a preoperative diagnosis of leiomyoma.

Keywords: Primary Fallopian Tube Carcinoma; Papillary Serous Carcinoma.