K.1.27 Brenner tumour of the ovary

• 62 years old female admitted with a lump in the abdomen.
• She has a past Hx of total abdominal hysterectomy and left salphingo oophorectomy done 27 years ago for leiomyoma of the uterus.
• At laparotomy a solid lump measuring 15×11×8 cm removed.
• Adhesions to omentum present. No ascites.
• The right ovary shown as irregular lobulated outer surface.
• Cut inner surface shows a fairly well demarcated area which appears solid with the periphery of the tumour showing cystic areas.
• A large cyst filled with brown coloured material seen.
• Histology showed a solid tumour composed of nests of epithelial cells in a dense fibroblastic stroma and microcyst formation, confirming a Brenner tumour of the ovary.