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  • Electronic Resource  (4)
  • 1995-1999  (4)
  • Agenesis  (2)
  • pathology  (2)
Material
  • Electronic Resource  (4)
Years
  • 1995-1999  (4)
Year
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Surgical and radiologic anatomy 21 (1999), S. 221-224 
    ISSN: 1279-8517
    Keywords: Gall bladder ; Agenesis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé L'absence congénitale de la vésicule biliaire est une malformation dont l'incidence est évaluée de 0,013 à 0,075 %. Nous rapportons deux observations d'agénésie de la vésicule biliaire, représentant les premiers cas de l'Afrique du Sud, nous les confronterons au 413 cas de la littérature. Pour confirmer le diagnostic d'agénésie de la vésicule biliaire, il est nécessaire d'exclure les localisations vésiculaires anormales, soit intra-hépatiques, soit rétro-hépatiques, soit dans le foie gauche, soit à l'intérieur de l'omentum ou du ligament falciforme, voire même rétro-péritonéales. Les patients porteurs d'agénésie de la vésicule biliaire sont classés en trois catégories : 1) Sujets porteurs de multiples anomalies foetales (12,9 %) 2) Sujets asymptômatiques (33,6 %) 3) Sujets avec manifestations cliniques (55,6 %). Néanmoins, les modalités diagnostiques habituelles peuvent, dans de rares conditions, se présenter dans le cadre d'une urgence chirurgicale abdominale. L'agénésie de la vésicule biliaire est une malformation bien connue, mais reste une anomalie rare. Avec l'avènement des abords chirurgicaux à minima, la laparotomie peut être évitée à condition que dans les cas suspectés, on réalise une exploration par endoscopie rétrograde des voies biliaires et pancréatiques (ERCP) et un scanner abdominal.
    Notes: Summary Congenital absence of the gall bladder is an extremely rare embryological aberration with a reported incidence ranging between 0.013 and 0.075%. This report, the first from South Africa, discusses 2 cases of gall bladder agenesis, bringing to 413 the number of cases reported in the literature. In confirming the diagnosis of an agenesis of the gall bladder, it is necessary to exclude the abnormal locations which are intrahepatic, retrohepatic, on the left side, or within the lesser omentum or falciform ligament and retroperitoneal. Patients with gall bladder agenesis are classified into 3 categories: i) Multiple foetal anomaly (12.9%), ii) Asymptomatic (31.6%) and iii) Symptomatic (55.6%). Notwithstanding current diagnostic modalities, this rare condition may still present a dilemma to the abdominal surgeon. Agenesis of the gall bladder is a well-recognised but uncommon congenital abnormality. With the advent of minimal access surgery laparotomy may be avoided as the condition, when suspected, may be confirmed by ERCP and CT scan.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Surgical and radiologic anatomy 21 (1999), S. 221-224 
    ISSN: 1279-8517
    Keywords: Gall bladder ; Agenesis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Congenital absence of the gall bladder is an extremely rare embryological aberration with a reported incidence ranging between 0.013 and 0.075%. This report, the first from South Africa, discusses 2 cases of gall bladder agenesis, bringing to 413 the number of cases reported in the literature. In confirming the diagnosis of an agenesis of the gall bladder, it is necessary to exclude the abnormal locations which are intrahepatic, retrohepatic, on the left side, or within the lesser omentum or falciform ligament and retroperitoneal. Patients with gall bladder agenesis are classified into 3 categories: i) Multiple foetal anomaly (12.9%), ii) Asymptomatic (31.6%) and iii) Symptomatic (55.6%). Notwithstanding current diagnostic modalities, this rare condition may still present a dilemma to the abdominal surgeon. Agenesis of the gall bladder is a well-recognised but uncommon congenital abnormality. With the advent of minimal access surgery laparotomy may be avoided as the condition, when suspected, may be confirmed by ERCP and CT scan.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Veterinary research communications 19 (1995), S. 545-551 
    ISSN: 1573-7446
    Keywords: avian adenovirus ; broiler chicks ; inclusion body hepatitis ; Japanese quails ; pathogenicity ; pathology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Quail (Coturnix coturnix japonica) and broiler (Gallus domesticus) chicks were inoculated experimentally with IBH virus (avian adenovirus-1) derived from quails to determine its pathogenicity. Quail chicks were inoculated by the intraperitoneal route at 3, 4, 5, 6 or 7 weeks of age. Lesions were encountered most frequently in the liver, kidneys and lungs. These included pale, swollen and mottled liver, swollen nephrotic kidneys, and congested and pneumonic lungs. The lesions were severe in birds inoculated at 5 weeks of age. Large basophilic intranuclear inclusion bodies were seen in hepatocytes and occasionally in the renal epithelium. The results showed that this isolate is pathogenic for quails above 3 weeks of age. Broiler chicks were inoculated at 4 weeks of age by the intraperitoneal route. The lesions produced in these chicks were similar to those of adenovirus-induced inclusion body hepatitis. Viral antigen was also demonstrated by dot-ELISA in suspensions of liver tissue from both quail and broiler chicks.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1573-7446
    Keywords: aflatoxin ; histopathology ; inclusion body hepatitis virus ; mycotoxin ; ochratoxin ; pathology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Day-old broiler chicks found negative for maternal antibodies against inclusion body hepatitis (IBH) virus by agar gel precipitation test and viral antigen in cloacal swabs by dot enzyme immunoassay were divided into 6 groups of 20 chicks each. Group A was fed aflatoxin B1 at 1.25 ppm from 3 to 38 days of age; group O was fed ochratoxin A at 0.5 ppm from 3 to 38 days of age; group V was inoculated with 1 ml of IBH virus of titre log10 6.5 EID50 per 0.2 ml. Groups AV and OV were given aflatoxin B1 and ochratoxin A, respectively, and also infected with the virus. Group C served as control. There was mild enlargement and paleness of the liver up to 18 days post inoculation in group V; there were no lesions in group A; and there was gradual enlargement of the kidneys from 10 days post feeding of mycotoxin onwards in group O. In the combined groups AV and OV the gross lesions were slightly more severe. In group V, varying degrees of degenerative histopathological changes, congestion and haemorrhages were seen particularly in the liver, followed by the kidneys, bursa, spleen, myocardium and lungs, along with intranuclear inclusion bodies in the hepatocytes, mostly in the early stages of infection. Similar microscopic changes, but without inclusion bodies, were seen in groups A and O and the changes were pronounced in the later stages. In group O, the kidney lesions were more pronounced than the liver lesions. In the concurrently infected groups, AV and OV, the changes were similar but slightly more marked than in the corresponding individual groups. Inclusion bodies in hepatocytes were more frequent, more prominent and appeared earlier in the concurrent groups.
    Type of Medium: Electronic Resource
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