apollo
  • Female
  • 40 Years
  • 05/09/2025

I have a chocolate cyst in my left ovary measuring 5.5 cm, which has been present for the past 6 months. My periods are regular and normal, and my CA 125 cancer test is also normal. However, the cyst is complex. Could you please advise if there is any chance that this cyst could become cancerous?

Doctor 1

Answered by 1 Apollo Doctors

A complex chocolate cyst (endometrioma) with normal CA 125 and regular periods is usually benign. However, regular monitoring with ultrasound every 6 to 12 months is advised. Rarely, it can turn cancerous, but the risk is low.

Dr. Kamran Suggests...

Take a CA - 125 Test Test

Answered 05/09/2025

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