Department of Radiology, college of Medicine, Seoul National University
ABSTRACT
Authors analysed ultrasonographic findings of 50 cases of trophoblastic diseases which were confirmed by D & E or hysterectomy.
The following result was observed.
1. Among the 50 cases, 43 cases were hydatidiform moles and remainders were choriocarcionmas
2. Ultra sonographic findings of hydatidi form mole were as follows.
a. The size of uterus was larger than that of expected one in 55 percent of cases and smaller than that in 9 percent.
b. The vesicular pattern of internal echo could be found in all of the cases, and homogeneous echo pattern were observed in 32 cases(75 percent).
c. secondary change, such as myometrial hemorrhage or necrosis, was shown in 33 cases (77 percent).
d.In 34 cases (80 percent), sharply separable uterine wall from internal echo was demonstrated.
e. In 8 cases(19 percent), ovarian theca-lutein cysts were observed.
Among them, 5 cases contained bilateral cysts. All cysts had internal septation.
3. Ultrasonographic findings of choriocarcinomas showed similar findings of those of hydatidiform moles, but different findings from H-moles were more irregular vesicular pattern(4 cases: 57 percent) and inseparable vesicular pattern from uterine wall echo.
4. Correct diagnosis was made in 48 cases out of 50 and the diagnostic accuracy was 95 percent.
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