Rapidly growing extensive polypoid endometriosis after gonadotropin-releasing hormone agonist discontinuation: A case report

Figure 2 Ultrasound image of the lesion 1 mo after gonadotropin-releasing hormone agonist therapy was discontinued. A-C: After discontinuation of gonadotropin-releasing hormone agonist for one month, the maximum diameter of the lesion increased to 9.4 cm, with numerous anechoic areas visible inside, exhibiting a honeycomb-like pattern of change (orange arrow); D: Abundant blood flow signals are observed within the lesion, with a blood flow resistance of 0.44 (orange arrow).