Journal of clinical ultrasound : JCU
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Ectopic pregnancy is a leading cause of pregnancy-related deaths; its incidence has progressively increased in recent years. Spontaneous twin ectopic pregnancy, however, is extremely rare. Among more than 100 reported cases of twin tubal pregnancies, only 5 cases in which fetal cardiac motion has been visualized in both embryos have been reported. ⋯ However, with transvaginal sonography, we determined the left adnexal mass to contain a single monochorionic gestational sac with 2 embryos, each with cardiac motion. These findings were confirmed with color Doppler sonography and at laparotomy. The introduction of high-resolution transvaginal sonography has resulted in the earlier diagnosis of ectopic pregnancy and has contributed to a recent decrease in the maternal mortality and morbidity associated with this condition.
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The aim of this study was to compare the sensitivities of visual and densitometric analyses of CT scans and transcranial Doppler sonograms (TCD) in detecting early changes in acute stroke. ⋯ In some patients, the use of TCD in acute stroke may show alterations that reflect tissue damage that is undetectable on CT. Therefore, CT and TCD should be considered complementary diagnostic tools in the acute phase of stroke.