Cytologic identification of Toxoplasma gondii in bronchoalveolar lavage fluid of experimentally infected cats. 1997

E C Hawkins, and M G Davidson, and D J Meuten, and J B Rottman, and S Kennedy-Stoskopf, and J K Levy, and J W Ritchey, and L D Cullins, and M B Tompkins
Department of Companion Animal and Special Species Medicine, College of Veterinary Medicine, North Carolina State University, Raleigh 27606, USA.

OBJECTIVE To determine whether it was possible to retrieve organisms, by means of bronchoalveolar lavage (BAL), from cats inoculated with Toxoplasma gondii. METHODS Experimental study. METHODS 27 cats. Sixteen of the 27 were experimentally infected with feline immunodeficiency virus. METHODS All cats were inoculated with T gondii tachyzoites. Cats were grouped on the basis of feline immunodeficiency virus status and route (IV or intra-arterial) and number of tachyzoites administered. Bronchoalveolar lavage was performed by means of a standard technique. Lavage fluid was evaluated cytologically for tachyzoites. RESULTS Clinical signs of toxoplasmosis varied widely among individual cats, but were generally most pronounced in group-1 and -2 cats (n = 5 each) and less pronounced in group-3 (n = 5) cats. Group-4 and -5 cats (n = 6 each) did not have clinical signs of toxoplasmosis. In 14 of the 15 cats in groups 1, 2, and 3, tachyzoites were detected in BAL fluid collected 7 days after inoculation. Tachyzoites were detected 14 days after inoculation in the single cat without tachyzoites 7 days after inoculation. A necropsy was performed on 9 of these cats, and tachyzoites were identified histologically in 4 of the 9. Tachyzoites were not detected in BAL fluid collected 3 days (n = 6) or 7 days (n = 6) after inoculation from the 12 cats in groups 4 and 5. Tachyzoites were not identified histologically in any of these 12 cats. CONCLUSIONS BAL may be useful in the diagnosis of toxoplasmosis, particularly in cats with signs of pulmonary involvement.

UI MeSH Term Description Entries
D008174 Lung Diseases, Parasitic Infections of the lungs with parasites, most commonly by parasitic worms (HELMINTHS). Parasitic Lung Diseases,Parasitic Infections of Lung,Pulmonary Parasitic Infections,Lung Disease, Parasitic,Lung Parasitic Infection,Lung Parasitic Infections,Parasitic Infection, Pulmonary,Parasitic Infections, Pulmonary,Parasitic Lung Disease,Pulmonary Parasitic Infection
D001992 Bronchoalveolar Lavage Fluid Washing liquid obtained from irrigation of the lung, including the BRONCHI and the PULMONARY ALVEOLI. It is generally used to assess biochemical, inflammatory, or infection status of the lung. Alveolar Lavage Fluid,Bronchial Lavage Fluid,Lung Lavage Fluid,Bronchial Alveolar Lavage Fluid,Lavage Fluid, Bronchial,Lavage Fluid, Lung,Pulmonary Lavage Fluid,Alveolar Lavage Fluids,Bronchial Lavage Fluids,Bronchoalveolar Lavage Fluids,Lavage Fluid, Alveolar,Lavage Fluid, Bronchoalveolar,Lavage Fluid, Pulmonary,Lavage Fluids, Alveolar,Lavage Fluids, Bronchial,Lavage Fluids, Bronchoalveolar,Lavage Fluids, Lung,Lavage Fluids, Pulmonary,Lung Lavage Fluids,Pulmonary Lavage Fluids
D002371 Cat Diseases Diseases of the domestic cat (Felis catus or F. domesticus). This term does not include diseases of the so-called big cats such as CHEETAHS; LIONS; tigers, cougars, panthers, leopards, and other Felidae for which the heading CARNIVORA is used. Feline Diseases,Cat Disease,Disease, Cat,Disease, Feline,Diseases, Cat,Diseases, Feline,Feline Disease
D002415 Cats The domestic cat, Felis catus, of the carnivore family FELIDAE, comprising over 30 different breeds. The domestic cat is descended primarily from the wild cat of Africa and extreme southwestern Asia. Though probably present in towns in Palestine as long ago as 7000 years, actual domestication occurred in Egypt about 4000 years ago. (From Walker's Mammals of the World, 6th ed, p801) Felis catus,Felis domesticus,Domestic Cats,Felis domestica,Felis sylvestris catus,Cat,Cat, Domestic,Cats, Domestic,Domestic Cat
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D014122 Toxoplasma A genus of protozoa parasitic to birds and mammals. T. gondii is one of the most common infectious pathogenic animal parasites of man. Toxoplasma gondii,Toxoplasma gondius,Toxoplasmas,gondius, Toxoplasma
D014124 Toxoplasmosis, Animal Acquired infection of non-human animals by organisms of the genus TOXOPLASMA. Animal Toxoplasmoses,Animal Toxoplasmosis,Toxoplasmoses, Animal
D016089 Immunodeficiency Virus, Feline A species of LENTIVIRUS, subgenus feline lentiviruses (LENTIVIRUSES, FELINE) isolated from cats with a chronic wasting syndrome, presumed to be immune deficiency. There are 3 strains: Petaluma (FIP-P), Oma (FIP-O) and Puma lentivirus (PLV). There is no antigenic relationship between FIV and HIV, nor does FIV grow in human T-cells. FIV,FTLV,Feline Immunodeficiency Virus,Feline T-Lymphotropic Lentivirus,Lentivirus, Puma,Puma lentivirus,Feline T-Lymphotropic Virus,Feline Immunodeficiency Viruses,Feline T Lymphotropic Lentivirus,Feline T Lymphotropic Virus,Lentivirus, Feline T-Lymphotropic,T-Lymphotropic Lentivirus, Feline,T-Lymphotropic Virus, Feline
D016181 Feline Acquired Immunodeficiency Syndrome Acquired defect of cellular immunity that occurs in cats infected with feline immunodeficiency virus (FIV) and in some cats infected with feline leukemia virus (FeLV). AIDS, Feline,FAIDS,Feline AIDS,Feline Acquired Immune Deficiency Syndrome,Feline Acquired Immuno-Deficiency Syndrome,Feline Acquired Immuno Deficiency Syndrome

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