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논문 기본 정보

자료유형
학술저널
저자정보
장소용 (아주대학교 의과대학 진단방사선과학교실)
저널정보
대한영상의학회 대한방사선의학회지 대한방사선의학회지 제35권 제5호
발행연도
1996.1
수록면
771 - 776 (6page)

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Purpose : To evaluate characteristic CT features of twisted ovarian tumors and to assess the diagnostic valueof the existence of twisted vascular pedicle in torsion of ovarian tumors. Materials and Methods : Weretrospectively reviewed the clinical and CT findings in eleven patients with ovarian tumor torsion confirmed bysurgery. Pre- and post-contrast CT were available in nine patients and post-contrast CT in two. All twistedovaries, tubes, and tumors showed hemorrhagic infarction and necrosis. Results : All patients had twisted vascularpedicle of the ovarian tumor evaluated by CT. Eight patients with left ovarian tumor had twisted vascular pedicleon the left side of the tumor, and three patients with right ovarian tumor on the right side of the tumor. Themorphologic characteristics of twisted vascular pedicle were coiled target appearance (4 cases), beak appearance(3 cases), doughnut appearance (3 cases), and mass with irregular margin (1 case). High density on precontrast CTscan was present in the pedicle in four cases and linear contrast enhancement was seen in the peripheral portionof the pedicle in four cases. The shape, density and location of ovarian tumors were inconsistent, however,contrast enhancement was not seen in all patients. Other findings were uterine deviation, loss of fat plane andpelvic fluid. Conclusion : Detection of twisted vascular pedicle by CT may be useful for the diagnosis of ovariantumor torsion.

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