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Anatomosurgical segments

Ionel Cîmpeanu, Nicoleta Băjenaru, Ana Puşcaşu
Rouviere-Gans incisura (RGI) is a relatively frequent hepatic anatomosurgical structure (it appears in 52%-80% of cases), but it is not wellknown in hepatic surgery. The presence of RGI is an important landmark to avoid biliary lesions during laparoscopic cholecystectomy, since it allows the isolation of the right posterior glissonean pedicle in 70% of cases, therefore simplifying the resection of the posterior right hepatic section or its segments (Sg6 and Sg7). While performing a right posterior hepatic resection for living-donor liver transplantation, the presence of the RGI facilitates the dissection of the vasculo-biliary structures in the right posterior glissonean pedicle...
May 2017: Chirurgia
Antonio Bernardo, Alexander I Evins, Anna Visca, Phillip E Stieg
BACKGROUND: The facial nerve has a short intracranial course but crosses critical and frequently accessed surgical structures during cranial base surgery. When performing approaches to complex intracranial regions, it is essential to understand the nerve's conventional and topographic anatomy from different surgical perspectives as well as its relationship with surrounding structures. OBJECTIVE: To describe the entire intracranial course of the facial nerve as observed via different neurosurgical approaches and to provide an analytical evaluation of the degree of nerve exposure achieved with each approach...
June 2013: Neurosurgery
A Peres Ferraz de Melo, W Machado de Souza, R Felipe Rodrigues, F Ribeiro Alves, R Eli Graci Rici, R Romão Guerra, P Oliveira Favaron, M Angélica Miglino, L John Aphonso Di Dio
UNLABELLED: With 2 figures SUMMARY: The anatomosurgical segmentation of the arteries of the spleen was studied in 31 deer of the species Mazama gouazoubira and Blastocerus dichotomus by means of vascular injection with latex and vinyl acetate and radiographic examination. The arteria lienalis penetrated through the hilus lienis in 87% of the cases, whereas an extrahilar artery was present in the other cases. An extraparenchymal division of the lineal artery into two, three or four segmental arteries was observed in 74% of the cases...
August 2011: Anatomia, Histologia, Embryologia
L J DiDio, A C Lopes
OBJECTIVE: To emphasize the ubiquity of the anatomicosurgical segments and subsegments and to underscore their clinical and surgical importance, based upon recent advances in morphology, physiology, pathology, internal medicine and surgery. PURPOSE: To update basic knowledge of the structure and its application in modern medicine and surgery, for more conservative approach to treat diseases of organs in most systems of the body. METHOD: Comparative study of the anatomico-surgical segments and subsegments already described...
May 1995: Revista da Associação Médica Brasileira
J M Chevallier
Segmental occlusive phlebography of IVC coupled with a slit in its posterior wall, injection of corrosive substances into portal and hepaticocaval network, biometry of the retrohepatic IVC and serial sections of injected livers from 32 fresh subjects has allowed definition of the hepaticocaval intersection which constitutes one of the rare current stumbling-blocks to hepatic surgery. Emergency surgery for hepaticocaval injuries exposes patients to the risk of gas embolus and massive haemorrhage. Using a median sternolaparotomy approach they require previous temporary hemostasis by quadruple clamping or intracaval shunt: in more than half of cases the length of the subhepatic, suprarenal IVC of less than 1 cm does not permit application of a clamp and necessitates introduction of an intracaval shunt by the atrial route...
December 1986: Journal de Chirurgie
N Picardi, M Badiali, A Scozzarro
Anatomosurgical investigation shows that Y-shaped ureteroureteral anastomoses can be performed even when the whole of the pelvic segment and part of the abdominal segment of the ureter have been lost. The very high level at which a crossover between the two ureters can be obtained is indicative of the area of application that this operation offers in the reconstruction of unilateral damage to the distal ureter.
February 28, 1977: Minerva Chirurgica
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