MORPHOLOGY OF CAUDATE LOBE OF LIVER
Journal Title: Journal of Evolution of Medical and Dental Sciences - Year 2017, Vol 6, Issue 90
Abstract
BACKGROUND Caudate lobe morphology has significance in diagnostic imaging and in minimally invasive surgery. The present study aims to assess the morphology of caudate lobe and its anatomical independence from rest of the liver, as it may be differentially affected in liver pathologies and may be beneficial for radiologists and surgeons. MATERIALS AND METHODS Parameters like vertical and transverse diameters of caudate lobe and right lobe were measured with vernier callipers and surface area calculated using butter paper. Biliary drainage, venous supply and arterial supply of 36 adult human cadaveric livers were noted by gross dissection. RESULTS Papillary processes, caudate processes and notches were found in majority of caudate lobes studied. Caudate lobes varied in their shapes and measurements. An accessory fissure and lobe were seen. Ratio of surface area of caudate lobe to right lobe varied from 0.061 to 0.410. Portal vein and hepatic artery supplied the caudate lobes by their left branches and biliary drainage was also through left hepatic duct in majority of caudate lobes. CONCLUSION The anatomical independence of caudate lobe was assessed and confirmed by its mode of blood supply and biliary drainage. All the caudate lobes had independent vessels and ducts. The papillary process of caudate lobe can cause pitfalls in interpretation of C T images at the porta hepatis. Caudate lobe variations are important for surgeons and radiologists alike for avoiding misinterpretation and for better surgical outcome.
Authors and Affiliations
Romi Sadanandan, Susan Varghese
Keywords
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- EP ID EP278225
- DOI 10.14260/jemds/2017/1363
- Views 102
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