Sonographic Measurements of Intrahepatic Inferior Vena Cava, Liver Span, and Common Bile Duct: Normative Data and Respiratory Variability in Adult Nigerian Population
ABSTRACT Background: Population-specific reference values for sonographic measurements are essential for accurate clinical interpretation. While ultrasound is widely used in Nigeria, comprehensive normative data for intra-abdominal vascular structures, particularly the inferior vena cava (IVC), are limited for the Nige...