图示：卵巢的良性囊肿。这很可能是卵泡囊肿。少数情况下这种囊肿可发展到几个厘米大小，如破裂，可致腹痛。

Here is a benign cyst in an ovary. This is probably a follicular cyst. Occasionally such cysts may reach several centimeters in size and, if they rupture, can cause abdominal pain.