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Contrast echocardiography has traditionally been used in conjunction with conventional echocardiography to document right-to-left intracardiac shunting congenital anomalies. This technique does not clearly demonstrate shunting of blood in patients with right-to-left patent ductus arteriosus, as the shunt is extracardiac. We used a variation of contrast echocardiography, contrast echoaortography, to confirm the presence of a right-to-left shunting patent ductus arteriosus in two dogs. 相似文献
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John-Karl Goodwin DVM David Hager DVM Lesley Phillips DVM Ronald Lyman DVM 《Veterinary radiology & ultrasound》1990,31(5):265-267
Abdominal ultrasonography was instrumental in the diagnosis of bilateral ovarian adenocarcinoma in a twelve year old female Irish Setter. Severe ascites limited the diagnostic quality of abdominal radiography, but enhanced ultrasonographic images. Ultrasonographically, the ovarian tumors were large, contained multiple anechoic cystic structures, and had irregular margins. The ultrasonographic appearance of ovarian adenocarcinoma has not been previously reported. 相似文献
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