The teenager in children hospital was sent for follow-up ultrasound examination after laparoscopic removal of the spleen cyst, according to the child, she had a cyst almost from birth, according to the images of previous ultrasounds, a cyst in the lower pole is about 5 cm in diameter. It is known briefly from the data on the operation that the cyst was excised and an omentum with a hemostatic sponge was fixed to the excision area.