Abstract
Introduction: Liver is a wedge shaped visceral organ in the body, occupies right hypochondrium, epigastric region and extends in to left hypochondrium. A thorough knowledge of anatomy of liver and its variations will avoid errors in diagnostic imaging and will also help the surgeons design appropriate surgical approaches. Materials and Methods: The study was conducted in the Department of Anatomy of our Institution. A total of 35 numbers of livers removed from cadavers were used for the study. The morphological variations of liver such as changes in size, shape, presence of accessory lobes, fissures, hypoplastic lobes were noted and tabulated. Results: Out of the 35 livers studied, 15 specimens (42.9%) exhibited normal fissures and lobes, 13 (37.1%) had accessory fissures over different lobes. In 3(8.6%) specimens of liver hypoplastic left lobe was observed and in 4(11.4%) specimens lingular process of left lobe was observed. There were 8 accessory fissures were seen in right lobe, 5 in left lobe, 4 in caudate lobe and 5 in quadrate lobe. Out of 35 livers studied, accessory lobes were observed in 9 liver specimens, which can be grouped as 1 in right lobe, 2 in left lobe, 5 in caudate lobe and 1 in quadrate lobe. Conclusion: The authors conclude that morphological variations of liver must be taken in to account by the Radiologist and G a stroenterologist while making various differential diagno sis as these variations can present various clinical manifestations/ implications. Keywords: Liver, Morphology, Variations, Lobes, Fissures.
Highlights
Liver is a wedge shaped visceral organ in the body, occupies right hypochondrium, epigastric region and extends in to left hypochondrium
Liver is a wedge shaped visceral organ in the body, occupies right hypochondrium, epigastric region and extends in to the left hypochondrium. It is divided by the presence of fossa for the gall bladder and groove for inferior vena cava in to right and left lobes, of which right lobe is larger than left lobe
The removed livers were preserved in 10% formalin, the morphological variations of liver such as changes in size, shape, presence of accessory lobes, fissures, hypoplastic lobes were noted and tabulated
Summary
Liver is a wedge shaped visceral organ in the body, occupies right hypochondrium, epigastric region and extends in to left hypochondrium. A thorough knowledge of anatomy of liver and its variations will avoid errors in diagnostic imaging and will help the surgeons design appropriate surgical approaches. Liver is a wedge shaped visceral organ in the body, occupies right hypochondrium, epigastric region and extends in to the left hypochondrium. It is divided by the presence of fossa for the gall bladder and groove for inferior vena cava in to right and left lobes, of which right lobe is larger than left lobe. 1. A thorough knowledge of anatomy of liver will avoid errors in diagnostic imaging and will help the surgeons design appropriate surgical approaches.[2] The variant morphology of liver can be either congenital or acquired. The acquired malformations are as results of pressure exerted by the diaphragm or by nearby organ s and other peritoneal ligaments, which are related to liver.[3]
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