title: Ultrasound as first imaging modality in superior mesenteric and portal vein thrombosis.
mesh_terms: D000328:Adult; D004064:Digestive System / Q000098:blood supply; D005260:Female; D006801:Humans; D007511:Ischemia / Q000175:diagnosis / Q000209:etiology; D008642:Mesenteric Veins; D011169:Portal Vein; D013927:Thrombosis / Q000150:complications / Q000175:diagnosis*; D014463:Ultrasonography