Pseudomyxoma peritonei: a rare differential diagnosis of hydrosalpinx.

Objective: To establish the diagnosis of a right hydrosalpinx in a woman with primary infertility.

Design: Case report.

Setting: Departments of Obstetrics and Gynecology and Surgery, academic medical center and teaching hospital.

Patient(s): A healthy 41-year-old woman with a history of primary infertility and a possible right hydrosalpinx.

Intervention(s): Operative laparoscopy, disconnection of right hydrosalpinx, peritoneal biopsies.

Main Outcome Measure(s): Establishment of diagnosis with peritoneal biopsies.

Result(s): The patient was diagnosed with peritoneal pseudomyxoma peritonei, which required further treatment.

Conclusion(s): Malignancies, although rare, should always be part of the differential diagnosis of external causes of tubal disease.