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악성 난소종양에서 초음파의 임상적 가치

The Clinical Value of the Ultrasonography in the diagnosis of the Malignant Ovarian Ca

대한산부인과학회지 1993년 36권 4호 p.543 ~ 552
박광휘
이선경/서병희/이재현

Abstract


The ultrasound is easily available and noninvasive diagnostic method without radiation hazard.
The authors studied ultrasonographic findings of 49 cases of malignant ovarian tumor proven on postoperative histopathology at the gynecologic ward in kyung Hee university Hospital during eight years and nine months from Jan. 1981 through Sep.
1989.
@ES The results were obtained as follows:
@EN The age distribution was from 8 to 79. There appeared to be a tendency of increase according to age and more prevalent from 5th decade(63.2%).
The results of preoperative ultrasonogram were that 38.8%was from 10~14cm, 30.6% was from 5~9cm, 22.5% was from 15~19cm and 6.1% was from above 20cm in the size of masses; in the site of mass, unilateral mass was found in 77.5%, while bilateral
masses
were in 22.5%, in the outline of masses, 65.3% smooth well defined, 34.7% was irregular ill defined. In cases of 32.7%, uterine involvement was shown, in 34.7%, intestinal and omental involvement and in 61.2%, ascites was shown respectively.
When the ultrasonographic finding compared with histopathology, it was shown that the difference less than 1 cm was 40.8% and over 5cm was 14.3% in the size of masses; the percentage of positive predictability was 78.9% in the unilateral masses,
while
90.9% in the bilateral masses, 93.8% in the smooth well defined outline, while 52.9% in the irregular ill defined outline. And the positive predictability of uterine involvement was 68.8%, omental and intestinal involvement 76.5%, and ascites
90.0%
respectively. The positive predictability of above finding in the stage I was 94.9%, stage II was 68.2%, stage III was 71.7% and stage IV was 86.0%.
Ultrasonogram can determine the presence or absence of malignancy in the suspicious cases with an accuracy of 84.7%, sensitivity 75.0%, specificity 90.1%, positive predictive value 73.5%, and negative predictive value 90.8%.

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