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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Surgical and radiologic anatomy 22 (2000), S. 41-45 
    ISSN: 1279-8517
    Keywords: Anatomy Hepatic artery Liver circulation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The purpose of this study was to evaluate congenital anastomoses between hepatic arteries demonstrated on angiography in ten patients and to correlate the anastomosis with types of hepatic arterial anatomy. We evaluated the types of the hepatic arterial anatomy based on Michels’ classification for 720 patients and compared the anatomic types between the patients with the anastomoses (ten patients) and without the anastomoses (710 patients). The diameter of the anastomoses ranged from 1.5 to 3.0 mm (mean, 2.4 mm). Five anastomoses were classified as tortuous type and five as straight type. Based on Michels’ classification for types of hepatic arterial anatomy, eight (80%) of ten patients with the congenital anastomoses were classified as type III (replaced right hepatic artery from superior mesenteric artery). The remaining two patients were classified as type IV (replaced right hepatic artery from superior mesenteric artery and replaced left hepatic artery from left gastric artery) and type VIIIa (replaced right hepatic artery from superior mesenteric artery and accessory left hepatic artery from left gastric artery). Eight (16%) of 48 patients who were classified as type III have the anastomoses. In conclusion, the congenital anastomoses were observed especially in patients with replaced right hepatic artery from superior mesenteric artery.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Surgical and radiologic anatomy 22 (2000), S. 111-115 
    ISSN: 1279-8517
    Keywords: Subclavius posticus ; Muscle variation ; Thoracic outlet syndrome ; MR imaging ; Paget-von Schrötter syndrome
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract During dissection practice in 1993 and 1995 to 1999, we found an aberrant muscle which connected the first costal cartilage and the superior margin of the scapula in 12 sides (4.8%) of 11 cadavers (8.9%) among 248 sides of 124 cadavers. The muscle originated from the cranial surface of the sternal end of the first rib, ran laterodorsally, and inserted into the superior margin of the scapula. According to the origin and insertion, the aberrant muscle was considered to be the subclavius posticus (Rosenmüller, 1800). We also examined the supraclavicular region of a living subject by MR imaging to estimate the course of such an aberrant muscle. It is thought that the aberrant muscle runs on the anterior surface of the subclavian vein and crosses over the brachial plexus. Such a muscle could be considered as a possible factor causing the Paget-von Schrötter syndrome which is recognized as spontaneous or effort-related thrombosis of the axillo-subclavian vein. It is recommended to take into account the possible existence of such an aberrant muscle during the examination of patients with thoracic outlet syndrome, especially in those with symptoms of venous compression.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Surgical and radiologic anatomy 20 (1999), S. 367-371 
    ISSN: 1279-8517
    Keywords: Hepatic Artery ; Liver Cirrhosis ; Collateral Circulation ; Dermatitis ; Embolization ; Therapeutic
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The hepatic falciform ligament artery (HFLA) was evaluated by angiography and also by dissections. Based on the findings, the mechanism of the post-chemoembolization skin rash was studied. A total of 340 liver cirrhosis patients who underwent hepatic artery chemoembolization for hepatocellular carcinoma were reviewed in terms of the angiographic incidence of the HFLA, variations in its origin, and the incidence of skin rash. The HFLA was demonstrated in 26 (7.6%) of the 340 patients on angiography. Two HFLAs were observed in one patient. The origin was the middle hepatic artery (A4) in 16 cases, the superior branch of the middle hepatic artery in three, the inferior branch of the middle hepatic artery in two, the inferior branch of the left hepatic artery (A3) in three, and the confluence of A3 and A4 in three cases. There were no patients who developed post-chemoembolization skin rash. Two cadavers were dissected to investigate the anastomosis between the HFLA and the subcutaneous artery. Two different anastomoses were found: (1) direct and (2) via the ensiform branch of the internal thoracic artery. These were located at the lower and upper part of the falciform ligament, respectively. The distribution of a chemotherapeutic agent through these anastomoses is the likely cause of post-chemoembolization skin rash. If prophylactic embolization of the proximal portion of the HFLA using a metallic coil is performed, the skin rash will be prevented.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Surgical and radiologic anatomy 20 (1998), S. 367-371 
    ISSN: 1279-8517
    Keywords: Hepatic Artery ; Liver Cirrhosis ; Collateral Circulation ; Dermatitis ; Embolization ; Therapeutic
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé L'artère du ligament falciforme hépatique (ALFH) fut étudiée par des angiographies et des dissections. D'après les résultats, le mécanisme d'un rash cutané après chimio-embolisation est discuté. Un total de 340 patients présentant une cirrhose hépatique ayant eu une chimio-embolisation de l'artère hépatique pour un carcinome hépato-cellulaire fut revu en fonction de l'incidence angiographie de l'ALFH, les variations d'origine de l'ALFH, et l'incidence d'un rash cutané. L'ALFH fut objectivée angiographiquement chez 26 (7,6%) des 340 patients. Deux ALFH furent objectivées chez un patient. L'origine des ALFH était située sur l'artère hépatique moyenne (A4) dans 16 cas, la branche supérieure de l'artère hépatique moyenne dans 3 cas, la branche inférieure de l'artère hépatique moyenne dans 2 cas, la branche inférieure de l'artère hépatique gauche (A3) dans 3 cas, et la confluence A3 et A4 dans 3 cas. Aucun patient ne développa un rash cutané après chimio-embolisation. Deux cadavres furent disséqués pour étudier les anastomoses entre l'ALFH et les artères sous-cutanées. Deux types d'anastomoses entre l'ALFH et des artères sous-cutanées furent individualisés directement et par l'intermédiaire de l'artère xiphoïde et de l'artère thoracique interne. Celles-ci étaient respectivement situées à la partie inférieure et à la partie supérieure du ligament falciforme. La distribution de l'agent chimiothérapique par ces anastomoses est vraisemblablement la cause des rash cutanés après chimio-embolisation. Dans le cas d'une embolisation prophylactique de la portion proximale de l'ALFH par utilisation d'un coil métallique le rash cutané pourrait être prévenu.
    Notes: Summary The hepatic falciform ligament artery (HFLA) was evaluated by angiography and also by dissections. Based on the findings, the mechanism of the post-chemoembolization skin rash was studied. A total of 340 liver cirrhosis patients who underwent hepatic artery chemoembolization for hepatocellular carcinoma were reviewed in terms of the angiographic incidence of the HFLA, variations in its origin, and the incidence of skin rash. The HFLA was demonstrated in 26 (7.6%) of the 340 patients on angiography. Two HFLAs were observed in one patient. The origin was the middle hepatic artery (A4) in 16 cases, the superior branch of the middle hepatic artery in three, the inferior branch of the middle hepatic artery in two, the inferior branch of the left hepatic artery (A3) in three, and the confluence of A3 and A4 in three cases. There were no patients who developed post-chemoembolization skin rash. Two cadavers were dissected to investigate the anastomosis between the HFLA and the subcutaneous artery. Two different anastomoses were found: (1) direct and (2) via the ensiform branch of the internal thoracic artery. These were located at the lower and upper part of the falciform ligament, respectively. The distribution of a chemotherapeutic agent through these anastomoses is the likely cause of post-chemoembolization skin rash. If prophylactic embolization of the proximal portion of the HFLA using a metallic coil is performed, the skin rash will be prevented.
    Type of Medium: Electronic Resource
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