Multicentric Lymphosarcoma Associated with Pulmonary Adenomatosis (Jaagsiekte), Pulmonary Lymphoid Hyperplasia, and Lymphoid Interstitial Pneumonia in a Ewe

The lungs in zwoegerziekte, a chronic pulmonary disease, are greatly increased in weight, do not collapse, and are either pale and dry or mottled with grey consolidation. The initial stage is characterized by peribronchial, perivascular, and solitary lymphoid hyperplasia and cellular infiltration of alveolar septa with consequent thickening. Fibrosis or myofibrosis, thickening of arterial walls, epithelial proliferation of air passages, and alveolar fetalization characterized the end stage. Pathologically zwoegerziekte, maedi, and progressive pneumonia have predominantly a mesenchymal reaction and belong to a single entity, chronic interstitial pneumonia of sheep. Zwoegerziekte bears close pathologic similarity to ‘la bouhite’ and ‘Graaff-Reinet disease’ but differs from pulmonary adenomatosis. Whether atypical pneumonia, also a type of interstitial pneumonia but different from maedi, occur in The Netherlands and may complicate some cases of zwoegerziekte is not known.

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Caprine lung diseases and causal bacteria

Bangladesh Veterinarian ◽

10.3329/bvet.v25i1.4613 ◽

1970 ◽

Vol 25 (1) ◽

pp. 9-16 ◽

Cited By ~ 1

Author(s):

T Ferdausi ◽

MG Haider ◽

KJ Alam ◽

MA Baki ◽

MM Hossain

Keyword(s):

Interstitial Pneumonia ◽

Lung Diseases ◽

Histopathological Examination ◽

Anaplastic Carcinoma ◽

Small Cell ◽

Bacillus Sp ◽

Tissue Samples ◽

E Coli ◽

Gross Lesions ◽

Pulmonary Adenomatosis

Pathological conditions in lungs of slaughtered goats were studied. Sixty lungs were examined and tissue samples and swabs obtained for histopathology and bacterial isolation, respectively. The prevalence of lung diseases was 58.3% (n=35). Gross lesions were categorized into: (a) haemorrhage and congestion 25% (b) emphysema 21.7% (c) hepatization 3.3% and (d) granulomatous nodules about 1 mm diameter 8.3%. On histopathological examination, 10 types of lesions were found: (a) bronchitis 6.7%, (b) small cell anaplastic carcinoma 3.3%, (c) pneumonia 6.7%, (d) interstitial pneumonia 15%, (e) emphysema 6.7%, (f) bronchopneumonia 3.3%, (g) purulent pneumonia 5%, (h) haemorrhagic pneumonia 3.3%, (i) pulmonary adenomatosis 1.7% and (j) no lesions 6.7%. Pasteurella sp. (11.7%), Escherichia coli (E. coli; 6.7%), Staphylococcus sp. (36.7%) and Bacillus sp. (3.3%) were isolated from the lungs. Pasteurella sp. was found in haemorrhagic pneumonia, interstitial pneumonia, small cell anaplastic carcinoma and bronchitis, followed by Bacillus sp. in haemorrhagic pneumonia, E. coli in interstitial pneumonia and pulmonary adenomatosis and Staphylococcus sp. from emphysema, bronchopneumonia, pneumonia, bronchitis and purulent pneumonia. DOI: 10.3329/bvet.v25i1.4613 Bangl. vet. 2008. Vol. 25, No. 1, 9-16

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Pathology of trachea and lungs of buffaloes

Bangladesh Journal of Veterinary Medicine ◽

10.3329/bjvm.v5i1.1322 ◽

1970 ◽

pp. 87-91

Author(s):

M Akbor ◽

MG Haider ◽

F Ahmedullah ◽

MAHNA Khan ◽

MI Hossain ◽

...

Keyword(s):

Hydatid Cyst ◽

Interstitial Pneumonia ◽

Histopathological Examination ◽

Nodule Formation ◽

Naked Eye ◽

Pathological Conditions ◽

Single Section ◽

Edema Fluid ◽

Emphysematous Lung ◽

Pulmonary Adenomatosis

Pathological conditions of trachea and lungs of slaughtered buffaloes were investigated in the present study. A total of 80 slaughtered buffaloes were examined individually and trachea (80) and lungs (80) were collected for histopathology from the slaughterhouses of Barisal sadar, Barisal, Bangladesh, during the period from July 2006 to March 2007. Among them 9 trachea and 30 lungs were found to be apparently abnormal in naked eye. Grossly, tracheal and lungs lesions were 11.25% and 37.5% in buffaloes, respectively. The gross tracheal lesions were petechial haemorrhages on the mucosa of trachea and lungs lesions were haemorrhage and congestion in lungs (16.25%), hard nodule formation (7.5%), cyst in lungs (6.25%), emphysematous lung (5%) and thickened pleura (2.5%). In histopathology, congestion (5%) and mild tracheitis (8.75%) were recorded as tracheal lesions. Histopathological examination of lungs noticed a number of conditions or lesions such as chronic interstitial pneumonia (3.75%), edema fluid (3.75%), broncho-pneumonia (3.75%), bronchitis (2.5%), bronchiolitis (2.5%), pneumonia-congested stage (8.75%), hydatid cyst (6.25%), fibrinous pneumonia (3.75%), healed nodule (7.5%), purulent broncho-pneumonia (1.25%), fibrino-purulent pneumonia (1.25%), subacute fibrinous pneumonia (1.25%), pulmonary adenomatosis (1.25%), pleuritis (2.5%) and hemosiderosis (3.75%). For morphological descriptions, the lesions were categorized into various types; however a single section showed intermixed of various lesions. Keywords: Pathology, trachea, lungs, buffaloes DOI = 10.3329/bjvm.v5i1.1322 Bangl. J. Vet. Med. (2007). 5 (1 & 2): 87-91

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Mast cells and pathological process in lungs of rats and mice

Medycyna Weterynaryjna ◽

10.21521/mw.6493 ◽

2021 ◽

Vol 77 (02) ◽

pp. 6493-2021

Author(s):

NOMEDA JUODZIUKYNIENE ◽

ALBINA ANIULIENE ◽

JURATE SIUGZDAITE ◽

JUDITA ZYMANTIENE ◽

VIDA JUOZAITIENE ◽

...

Keyword(s):

Mast Cells ◽

Interstitial Pneumonia ◽

Lymphoid Tissue ◽

Inflammatory Process ◽

Severe Pneumonia ◽

Lymphoid Hyperplasia ◽

Pathological Process ◽

Laboratory Mice ◽

Mycoplasma Pulmonis ◽

Rats And Mice

The aim of this study was to evaluate the number of mast cells in healthy and affected lungs of mice and rats and determine histopathological differences of the inflammatory process in the lungs of rats and mice. The lungs of healthy and affected laboratory mice (n = 80) and rats (n = 80) were used for the studies. The histpathological examination of HE slides was performed. The number of mast cells in healthy and affected lungs of mice and rats was calcaluted in Giemsa stained slides. The number of connective tissue mast cells in healthy animals and in areas of lymphoid hyperplasia and bronchiectasis was significantly higher in rats than in mice. Interstitial pneumonia with bronchiolitis and bronchiectasis and atelectasis was more expressed in rats (P = 0.006-0.025) than in mice. Lymphoid tissue hyperplasia in the lungs of mice was found much more intense than in rats (P = 0.011). In affected laboratory mice and rats Mycoplasma pulmonis was identified. Interstitial pneumonia with bronchiolitis and bronchiectasis and atelectasis were more pronounced in rats. In our opinion, because healthy rats have more mast cells in the connective lung tissue and developed more severe pneumonia, they had a higher response of mast cells to the inflammatory process compared to mice. There was a more intense lymphocytic response in the lungs of mice.

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