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  • Title: Intramural esophageal location of a portosystemic shunt in a dog with two congenital portosystemic shunts on CT angiography.
    Author: MacEwan I, Thompson D.
    Journal: Vet Radiol Ultrasound; 2023 Jul; 64(4):E45-E49. PubMed ID: 37332158.
    Abstract:
    A 5-year-old male neutered pug with hematuria was presented to a referral hospital after identification of an extrahepatic portosystemic shunt (EHPSS) during abdominal ultrasonography. Computed tomographic-angiography revealed two anomalous blood vessels (left gastroazygous and left gastrophrenic). The left gastroazygous vessel followed an atypical path within the dorsolateral esophageal wall before entering the azygous vein. The morphology of this highly unusual vessel has not, based on the authors' review of the literature, been previously reported. In combination with a second anomalous vessel, this resulted in a unique presentation of an EHPSS. Computed tomography-angiography was essential for diagnosis and surgical planning in this case.
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