Abstract

Background: Serous cystadenofibroma is an uncommon benign ovarian tumour that may closely resemble a simple or even suspicious adnexal lesion on imaging because of its prominent fibrous component. Recognising this entity is important because it may influence surgical planning and counselling, especially in young women with a family history of ovarian cancer. Case information: A 29-year-old P2L2A2 woman presented with lower abdominal pain, irregular menstrual cycles for 3 months, and dysmenorrhoea. Pelvic imaging suggested a right simple ovarian cyst(9.3 x 6.3 x 7.5 cm). after complete evaluation laparoscopic cystectomy was planned. Intraoperatively, a thick-walled mass adjacent to right ovary measuring 8 × 6 cm was identified, with suspected extra ovarian tissue.right ovary was absolutetly healthy.Mass was excised . Histopathology demonstrated serous cystadenofibroma, with a cyst wall composed of fibrous stroma. Recovery was uneventful. Conclusion: This case illustrates how serous cystadenofibroma can present deceptively as a simple ovarian cyst on imaging yet reveal a more complex appearance at surgery. Histopathological examination remains essential for definitive diagnosis.

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