Absence of the Left Lobe of the Liver in a Cadaver: Case report

Zagga, AD; Tadros, AA; Usman, JD; Bello, Antonio Di

doi:10.4314/jmt.v12i1.69314

Cited by 2 publications

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“…There have been reports describing variations of the UF [4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22], but a robust classification system was not encountered. We proposed a morphologic classification based on the variations encountered.…”

Section: Discussionmentioning

confidence: 99%

“…In the published literature, similar variations have been described using different names. This variant has been described as a "liver not divided into lobes on the visceral surface" by Kale et al [7], as "tissue of pons hepatis leaving no boundaries for quadrate lobe" by Anbumani et al [22], as a "complete absence of a quadrate lobe" by Ebby and Ambike [10] and Joshi et al [6], and as "absence of a left lobe" by Abdullahi et al [9], Satessha et al [12] and Aktan et al [4]. This variant was present in 1.5% of individuals in our series.…”

Section: Discussionmentioning

confidence: 99%

“…Type IV variants were the most common morphologic variants in our population. These variations have been reported with various names applied to them, such as pons hepatis [ 5 - 6 , 14 , 16 , 18 , 21 - 22 ], absent fissure for ligamentum teres [ 9 , 12 , 17 ] and ligamentum teres tunnel [ 10 - 11 , 15 , 19 ]. We propose the use of standardized nomenclature and classifications, possibly those proposed within this paper.…”

Section: Discussionmentioning

confidence: 99%

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Clinically Oriented Classification of Anatomic Variants of the Umbilical Fissure for Ligamentum Teres in the Human Liver

Cawich¹,

Gardner²,

Shetty³

et al. 2021

Cureus

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BackgroundIn the classic descriptions of the human liver, the umbilical fissure (UF) is a long, narrow groove on the visceral surface that receives the ligamentum teres hepatis. In this study, we document the UF variations encountered in a series of cadaveric dissections. MethodsWe reported UF variations using the following classification: Type I refers to "normal" anatomy where there is a long, narrow groove. In type II, the UF was covered by a fibrotic band devoid of hepatic parenchyma. In type III variants, an extension of hepatic parenchyma partially covered but did not obliterate the UF. In type IV variants, the hepatic parenchyma formed a bridge over the UF, completely obliterating the groove. After institutional review board approval, we observed all consecutive cadaveric dissections over five years and recorded the characteristics and dimensions of each UF and its immediate relations. ResultsThere were 69 cadavers, and variant UFs were present in 38 (55.1%) cadavers: type II (1.5%), type III (20.3%), and type IV (33.3%). ConclusionsIn this Jamaican population, only 44.9% of persons had conventional "normal" anatomy and 55.1% had UF variants. These variants are clinically significant, as they lead to misinterpretation of patient imaging and can hinder operative procedures on the liver.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Clinically Oriented Classification of Anatomic Variants of the Umbilical Fissure for Ligamentum Teres in the Human Liver

Cawich¹,

Gardner²,

Shetty³

et al. 2021

Cureus

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Tunnel for ligamentum teres: A rare variation of the liver

Satheesha¹,

Kumar²,

Srinivasa³

et al. 2013

OA Case Reports

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IntroductionLigamentum teres hepatis, an embryological remnant derived from the obliterated left umbilical vein is lodged on the fissure for the ligamentum teres on the inferior surface of the liver. We report here an anomalous case where the ligament passed through a tunnel instead of a fissure. Case reportThe fissure for ligamentum teres was obliterated by bridging of liver tissue across the quadrate and left lobes. This bridging converted the fissure into a tunnel through which ligamentum teres coursed to its destination. A small fissure extended from the left end of porta hepatis to this tunnel. Lack of separation of lobes, in the early embryonic period might have led to this variation. ConclusionAnomalies like this can often mislead the radiologists or surgeons either in diagnosis or interpretations of liver diseases.

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Absence of the Left Lobe of the Liver in a Cadaver: Case report

Cited by 2 publications

References 0 publications

Clinically Oriented Classification of Anatomic Variants of the Umbilical Fissure for Ligamentum Teres in the Human Liver

Clinically Oriented Classification of Anatomic Variants of the Umbilical Fissure for Ligamentum Teres in the Human Liver

Tunnel for ligamentum teres: A rare variation of the liver

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