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Ruptured Corpus Luteal Cyst: CT Findings
HyuckJaeChoi,SeungHyupKim,SunHoKim,Hyo-CheolKim,박창민,HakJongLee,문민환,JunYongJeong 대한영상의학회 2003 Korean Journal of Radiology Vol.4 No.1
Objective: To evaluate the CT findings of ruptured corpus luteal cysts. Materials and Methods: Six patients with a surgically proven ruptured corpus luteal cyst were included in this series. The prospective CT findings were retrospectively analyzed in terms of the size and shape of the cyst, the thickness and enhancement pattern of its wall, the attenuation of its contents, and peritoneal fluid. Results: The mean diameter of the cysts was 2.8 (range, 1.5 4.8) cm; three were round and three were oval. The mean thickness of the cyst wall was 4.7 (range, 1 10) mm; in all six cases it showed strong enhancement, and in three was discontinuous. In five of six cases, the cystic contents showed high attenuation. Peritoneal fluid was present in all cases, and its attenuation was higher, especially around the uterus and adnexa, than that of urine present in the bladder. Conclusion: In a woman in whom CT reveals the presence of an ovarian cyst with an enhancing rim and highly attenuated contents, as well as highly attenuated peritoneal fluid, a ruptured corpus luteal cyst should be suspected. Other possible evidence of this is focal interruption of the cyst wall and the presence of peritoneal fluid around the adnexa.