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KMID : 0371219980190000228
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Medical Bulletin of the Presbyterian Medical Center
1998 Volume.19 No. 0 p.228 ~ p.237
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CT Findings of Endometrioma
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백인기/Baek, In Ki
김홍수/최진옥/전두성/박양신/김황조/이학송/Kim, Hong Soo/--/Jeon, Doo Sung/Park, Yang Sin/Kim, Hwang Jo/Rhee, Hak Song
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Abstract
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Purpose: To evaluate whether CT scanning is useful in differentiating the between endometriomas and other benign complex cystic adnexal masses, and in determining the method of treatment for each mass lesion.
Materials and Methods: In 54 cases (47 patients), we retrospectively analysed the CT findings of 20 pathologically-proven twenty endometriomas (bilateral in four cases), eight hemorrhagic functional cysts, two tubal ectopic pregnancies, eight tubo-ovarian abscesses (bilateral in two cases), ten serous cystadenomas(bilateral in one case), and six mucinous cystadenomas. Internal attenuation, the hyperdense portion, adhesion, and cul-de-sac obliteration were evaluated by CT scanning.
Results: Fourteen endometriomas (70%0) showed a hyperdense portion, and in only two of these (10%), was a focal nodular hyperdense portion seen on pre-cone rast CT scan (10%sensitivity, 100% specificity). Partial or complete cul-de-sac obliteration Twas identified in 11, patients(75%), while hemorrhagic functional cysts showed a hyperdense portion in four cases (50%) and were accompanied by partial cul-de-sac obliteration in two(25%)
Two unruptured tubal ectopic pregnancies showed CT findings of unilateral hyperdense cystic masses of more than 60 HIJ In all cases, tubo-ovarian abscesses were accompanied by thickening of the uterosacrat ligament and deviation of thickened mesosalpinx (anterior deviation in 87.5% of patients) Serous and mucinous cystadenomas showed CT findings of hypodense masses (less than 20 HO without adhesion or cul-de-sac obliteration, and this was helpful _ in differentiating cystadenomas from other benign cystic adnexal masses, including endometriomas.
Conclusion: The evaluation by CT scanning of benign complex cystic adnexal masses with respect to the hyperdense portion and the presence or absence of cul-de-sac obliteration was useful in differentiating endometriomas from other lesions, and might be helpful in determining the method of treatment for each mass lesion.
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KEYWORD
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