Porcine liver: experimental model for the intra-hepatic glissonian approach
The aim of the study is to evaluate the porcine liver as a teaching and training model for the glissonian approach. Ten livers were removed from domestic adult white pigs weighting 35 to 45 kg. Based on anatomical landmarks, the glissonian pedicles of each liver segments were dissected and biopsies...
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| Published in | Acta cirúrgica brasileira Vol. 23; no. 2; pp. 204 - 207 |
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| Main Authors | , , |
| Format | Journal Article |
| Language | English |
| Published |
Brazil
01.03.2008
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| Abstract | The aim of the study is to evaluate the porcine liver as a teaching and training model for the glissonian approach.
Ten livers were removed from domestic adult white pigs weighting 35 to 45 kg. Based on anatomical landmarks, the glissonian pedicles of each liver segments were dissected and biopsies were taken for histological examination, to analyze the presence of the glissonian sheath.
During microscopic examination, a sheath of conjunctive tissue was observed wrapping each segmental pedicle in porcine liver. This could be clearly seen when histological preparation for connective tissue was obtained (Masson technique).
The morphological arrangement of glissonian pedicles in porcine liver makes this model a useful tool for training the intra-hepatic glissonian approach. |
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| AbstractList | The aim of the study is to evaluate the porcine liver as a teaching and training model for the glissonian approach.
Ten livers were removed from domestic adult white pigs weighting 35 to 45 kg. Based on anatomical landmarks, the glissonian pedicles of each liver segments were dissected and biopsies were taken for histological examination, to analyze the presence of the glissonian sheath.
During microscopic examination, a sheath of conjunctive tissue was observed wrapping each segmental pedicle in porcine liver. This could be clearly seen when histological preparation for connective tissue was obtained (Masson technique).
The morphological arrangement of glissonian pedicles in porcine liver makes this model a useful tool for training the intra-hepatic glissonian approach. PURPOSE: The aim of the study is to evaluate the porcine liver as a teaching and training model for the glissonian approach. METHODS: Ten livers were removed from domestic adult white pigs weighting 35 to 45kg. Based on anatomical landmarks, the glissonian pedicles of each liver segments were dissected and biopsies were taken for histological examination, to analyze the presence of the glissonian sheath. RESULTS: During microscopic examination, a sheath of conjunctive tissue was observed wrapping each segmental pedicle in porcine liver. This could be clearly seen when histological preparation for connective tissue was obtained (Masson technique). CONCLUSION: The morphological arrangement of glissonian pedicles in porcine liver makes this model a useful tool for training the intra-hepatic glissonian approach. OBJETIVO: Avaliar a utilização do fígado suíno como um modelo experimental para o ensino e treinamento da técnica glissoniana intra-hepática nas ressecções do fígado. MÉTODOS: Foram utilizados 10 fígados inteiros de porcos adultos brancos, pesando entre 35-45 kg. Os pedículos glissonianos de vários segmentos foram dissecados e ressecados para a realização de estudos histológicos e verificação da presença da bainha conjuntiva ao longo das tríades portais. RESULTADOS: Na microscopia, uma bainha de tecido conjuntivo foi encontrada envolvendo os pedículos glissonianos no fígado suíno. A utilização de preparações específicas para o tecido conjuntivo (Masson) ressaltou a presença dessa bainha em cada pedículo. CONCLUSÃO: As características morfológicas dos pedículos glissonianos suínos, fazem desse modelo experimental um método de treinamento da técnica glissoniana intra-hepática. PURPOSEThe aim of the study is to evaluate the porcine liver as a teaching and training model for the glissonian approach. METHODSTen livers were removed from domestic adult white pigs weighting 35 to 45 kg. Based on anatomical landmarks, the glissonian pedicles of each liver segments were dissected and biopsies were taken for histological examination, to analyze the presence of the glissonian sheath. RESULTSDuring microscopic examination, a sheath of conjunctive tissue was observed wrapping each segmental pedicle in porcine liver. This could be clearly seen when histological preparation for connective tissue was obtained (Masson technique). CONCLUSIONThe morphological arrangement of glissonian pedicles in porcine liver makes this model a useful tool for training the intra-hepatic glissonian approach. |
| Author | Machado, Marcel Autran Cesar Martins, Antonio Cavalcanti de Albuquerque Ferraz, Alvaro Antonio Bandeira |
| Author_xml | – sequence: 1 givenname: Antonio Cavalcanti de Albuquerque surname: Martins fullname: Martins, Antonio Cavalcanti de Albuquerque email: acam@elogica.com.br organization: Department of Surgery, Federal University of Pernambuco, Brazil. acam@elogica.com.br – sequence: 2 givenname: Marcel Autran Cesar surname: Machado fullname: Machado, Marcel Autran Cesar – sequence: 3 givenname: Alvaro Antonio Bandeira surname: Ferraz fullname: Ferraz, Alvaro Antonio Bandeira |
| BackLink | https://www.ncbi.nlm.nih.gov/pubmed/18372968$$D View this record in MEDLINE/PubMed |
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| Cites_doi | 10.1590/S0102-86502002000600005 10.1001/archsurg.1977.01370010040007 10.1016/j.amjsurg.2006.01.017 10.1016/j.surg.2006.07.023 10.1002/bjs.4053 |
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| References | Blumgart LH (ref6) 2003 Martins ACA (ref9) 2004 Jamieson GG (ref4) 1992; 174 Machado MA (ref8) 2006; 192 Camprodon R (ref1) 1977; 112 Zanchet DJ (ref3) 2002; 17 Launois B (ref5) 1992; 174 Court FG (ref2) 2003; 90 Machado MA (ref7) 2007; 141 |
| References_xml | – volume: 174 start-page: 7 year: 1992 ident: ref5 article-title: The importance of Glisson's capsule and its sheaths in the intra-hepatic approach to resection of the liver publication-title: Surg Gynecol Obstet. contributor: fullname: Launois B – volume: 17 start-page: 381 year: 2002 ident: ref3 article-title: Pig Liver Sectorization and Segmentation and Virtual Reality Depiction publication-title: Acta Cir bras doi: 10.1590/S0102-86502002000600005 contributor: fullname: Zanchet DJ – year: 2004 ident: ref9 contributor: fullname: Martins ACA – volume: 112 start-page: 38 year: 1977 ident: ref1 article-title: Intra-hepatic vascular division in the pig: Basis for partial hepatectomies publication-title: Arch Surg. doi: 10.1001/archsurg.1977.01370010040007 contributor: fullname: Camprodon R – volume: 192 start-page: 388 issue: 3 year: 2006 ident: ref8 article-title: Intrahepatic Glissonian access for segmental liver resection in cirrhotic patients publication-title: Am J Surg. doi: 10.1016/j.amjsurg.2006.01.017 contributor: fullname: Machado MA – start-page: 1639 volume-title: Liver resection for benign disease and for liver and biliary tumours year: 2003 ident: ref6 contributor: fullname: Blumgart LH – volume: 141 start-page: 533 issn: 0039-6060 issue: 4 year: 2007 ident: ref7 article-title: Intrahepatic Glissonian approach for pedicle control during anatomic mesohepatectomy publication-title: Surgery doi: 10.1016/j.surg.2006.07.023 contributor: fullname: Machado MA – volume: 174 start-page: 15 issn: 0039-6087 year: 1992 ident: ref4 article-title: The posterior intra-hepatic approach for hepatectomy or removal of segments of the liver publication-title: Surg Gynecol Obstet contributor: fullname: Jamieson GG – volume: 90 start-page: 440 year: 2003 ident: ref2 article-title: Segmental nature of the porcine liver and potential as a model for experimental partial hepatectomy publication-title: Br J Surg. doi: 10.1002/bjs.4053 contributor: fullname: Court FG |
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Ten livers were removed from domestic adult... PURPOSE: The aim of the study is to evaluate the porcine liver as a teaching and training model for the glissonian approach. METHODS: Ten livers were removed... PURPOSEThe aim of the study is to evaluate the porcine liver as a teaching and training model for the glissonian approach. METHODSTen livers were removed from... |
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| Title | Porcine liver: experimental model for the intra-hepatic glissonian approach |
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