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KMID : 1103720080590010013
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Journal of the Korean Society of Radiology
2008 Volume.59 No. 1 p.13 ~ p.20
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Hounsfield Number Measurement after a Uterine Fibroid Embolization: Significance as a Predictive Factor of Embolization Success
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Yang Seung-Boo
Choi Gyo-Chang
Im Han-Hyeok
Lee Sang-Jin
Choi Duek-Lin
Kwon Kui-Hyang
Lee Hae-Kyung
Goo Dong-Erk
Chang Yun-Woo
Cha In-Ho
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Abstract
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Purpose: To assess the usefulness of the Hounsfield number, measured by a non-contrast enhanced pelvic CT, after a uterine artery embolization as an index of the successful outcome of a uterine fibroid embolization (UFE).
Materials and Methods: The study subjects included 15 women (age range: 28-49 years, mean age: 36.4 years) diagnosed with symptomatic uterine myomas and seen from March 2003 to August 2005. A non-contrast enhanced pelvic CT scan was performed six hours after a uterine artery embolization. The global and maximal CT numbers were measured for each myoma. In addition, a pelvic MRI was performed to measure the volume of each myoma prior to and 6 months after the UFE. The relationship between fibroid volume reduction and the global CT number were prospectively analysed.
Results: The mean global CT number was 91.25 HU in Group I and 40.8 HU in Group II. Further, the mean fibroid volume reduction rate was 73% in Group I and 10% in Group II (p < 0.05).
Conclusion: The global CT number measured by a non-contrast enhanced pelvic CT is a useful predictive factor of a successful uterine fibroid embolization.
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KEYWORD
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Uterine neoplasms, Leiomyoma, Radiology, interventional, Embolization, therapeutic, Tomography, X-Ray computed
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