• Serum CA-125 measurements: an increase in serum CA-125 may be found with primary fallopian tube carcinoma.
• Abdominal USS scan: ectopic pregnancies may be seen on ultrasound scan and there is usually a positive pregnancy test. Primary fallopian tube malignancies may also be identified on scanning as well as conditions such as hydrosalpinx or pyosalpinx.
• Laparoscopy: this is undertaken in order to directly visualise the fallopian tube.
• Fine needle aspiration cytology: this can be performed either at laparoscopy or under ultrasound guidance. Paratubal cysts or cystic lesions of the fallopian tube, such as hydrosalpinx, are especially liable to be aspirated.
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