Which ovarian surface epithelial tumour type most commonly presents as a bilateral ovarian mass and is associated with pseudomyxoma peritonei?

• A Mucinous cystadenocarcinoma ✓
• B Serous cystadenoma
• C Endometrioid carcinoma
• D Clear cell carcinoma

Explanation

Pseudomyxoma peritonei (gelatinous ascites) is characteristically associated with mucinous tumours, particularly mucinous cystadenocarcinoma of the ovary (often secondary to appendiceal primary). Mucinous tumours tend to be large, unilateral but can be bilateral. Serous tumours are more commonly bilateral but are not associated with pseudomyxoma. Endometrioid and clear cell carcinomas are usually unilateral and endometriosis-associated.

Reference: Shaw's Textbook of Gynaecology, 17th ed.

High-yield for: NEET PGINI-CETNExTFMGEUSMLEPLABMRCP

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