子宮留種における経腟超音波所見の形態分類について

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32 patients with hydrometra, 14 patients with pyometra and 5 patients with hematometra were examined with transvaginal ultrasonography for an echo pattern classification that has two components, one is the shape of the intrauterine wall and the other is the echo pattern of retained fluid.The shape of the uterine wall is classified into 5 patterns-type I:smooth and symmetrical streamline, type II:smooth and large curved line, type III:jagged line, type IV:smooth local protuberance of a papilla, a sphere and a hill, etc., type V:jagged lined local protuberance.The echo pattern of retained fluid is classified into 4 patterns-type a:sonoluscent, type b:scatter echo, type c:linear echo, type d:jagged massive echo, and type b is classified into 3 subtypes:1.total, 2.partial, 3.horizontal.We came to the conclusion that type b(scatter)frequently indicates pyometra(71.4%), type a(sonoluscent)frequently shows hydrometra(100%), and types I and II a few cervical malignant lesions and types IV and V frequently show the presence of malignant lesions in the uterine cavity.Transvaginal ultrasonography is useful to differentially diagnose pyometra, hydrometra and hematometra.
2000-06-01