دراسة التغيرات المرضية النسجية لبعض الأعضاء الداخلية للقطط المصابة بطفيلي المقوسة الكوندية

Abstract EN

The current study was involved the detection of Toxoplasma gondii parasite in domestic cats in AL-Diwania governorate using rapid cassette test and study the histopathological changes of some organs in infected cats.

Ten cats were collected during the period 2012-2013.

Serum samples were taken from cats for testing with rapid cassette test.

Results of the test indicated the presence of three cats infected with the parasite in percentage of 30%, two sera of which contained on the antibody of the IgG type by 66.66% while the third serum sample contains the IgG and IgM antibodies together by 33.34%, and the higher percentage for the presence of antibodies in serum of cats were 66.66% of the IgG antibody, and the lowest was 33.34% to the IgG and IgM antibodies together.

The histopathological sections of parasite-infected cats indicate presence of lesions in liver, brain, and kidney.

The liver lesions were characterized by the presence of vascular congestion as well as vacuolation of hepatocytes, with clear fatty degeneration and necrosis, and presence of tissue cysts of parasite.

The cross section of brain were characterized by presence of calcified tissue cyst with filtration of astrocytes and microglia.

In kidney sections the histopathological changes were presence of renal glomeruli calcification and dilation of renal convoluted tubules.