Isolation of Mycobacterium avium from waterfowl with polycystic livers

An unusual gross appearance of avian tuberculosis, where fluid-filled thin-walled cysts are produced and grossly apparent in preference to granulomas, is presented. Histopathology confirmed the granulomatous nature of the lesions and the presence of intracellular acid-fast organisms. Mycobacterium a...

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Bibliographic Details
Published in:Avian diseases 1989-01, Vol.33 (1), p.195-198
Main Author: Roffe, T.J
Format: Article
Language:English
Subjects:
AISLAMIENTO (TECNICA)
Animals
Aves
Bird Diseases - etiology
Bird Diseases - pathology
Birds
CANARD
Case Reports
CASE STUDIES
Cysts
DUCKS
ESTUDIOS DE CASOS PRACTICOS
ETUDE DE CAS
FOIE
Granuloma
HIGADO
HISTOPATHOLOGY
ISOLATION
ISOLEMENT
Lesions
LIVER
Liver - pathology
Male
MYCOBACTERIUM
Mycobacterium avium
Mycobacterium avium - isolation & purification
Mycobacterium avium complex
Mycobacterium tuberculosis
PATO
Splenic tuberculosis
TUBERCULOSE
TUBERCULOSIS
Tuberculosis, Avian - microbiology
Tuberculosis, Avian - pathology
Tuberculosis, Hepatic - microbiology
Tuberculosis, Hepatic - pathology
Tuberculosis, Hepatic - veterinary
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Description
Summary:An unusual gross appearance of avian tuberculosis, where fluid-filled thin-walled cysts are produced and grossly apparent in preference to granulomas, is presented. Histopathology confirmed the granulomatous nature of the lesions and the presence of intracellular acid-fast organisms. Mycobacterium avium complex was cultured from affected organs. The unusual gross presentation in these cases indicates the need to consider tuberculosis in the differential of cystic diseases of avian livers. /// Se presenta una apariencia macroscópica poco común de tuberculosis aviar donde se producen quistes de pared delgada llenos de líquido, en lugar de granulomas. Por histopatología se confirmó la naturaleza granulomatosa de las lesiones y la presencia de organismos ácido resistentes intracelulares. De los órganos afectados se cultivó el Mycobacterium avium. La presentación macroscópica poco común de estos casos indica la necesidad de considerar la tuberculosis en el diagnóstico diferencial de hígados aviares con enfermedades quísticas.
ISSN:0005-2086
1938-4351
DOI:10.2307/1591089