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The presence of Heinz bodies represents damage to hemoglobin and is classically observed in G6PD deficiency, a genetic disorder that causes hemolytic anemia. In veterinary medicine, Heinz bodies may be seen following the consumption of foods containing thiosulfate and propylene glycol compounds by cats, dogs and certain primates.
A Howell–Jolly body (marked by arrow) within an erythrocyte. A Howell–Jolly body is a cytopathological finding of basophilic nuclear remnants (clusters of DNA) in circulating erythrocytes. During maturation in the bone marrow, late erythroblasts normally expel their nuclei; but, in some cases, a small portion of DNA remains. The presence of ...
Theodor Boveri originally observed the fact that abnormal nuclear morphologies commonly occur in cancer.Micronuclei are also referred to Howell-Jolly bodies; discovered by hematologists William Henry Howell and Justin Marie Jolly in erythrocytes.
Howell-Jolly body-like inclusions (HJBLi) are a hematopathological finding of an inclusion arising from detached DNA nuclear fragment in white blood cells caused by dysplastic granulopoiesis. [1] The inclusion is aptly named for its similar appearance of the Howell–Jolly body in erythrocytes. [2] The term was coined in 1989. [2]
Blood smear showing red blood cells with basophilic stippling. Basophilic stippling, also known as punctate basophilia, is the presence of numerous basophilic granules that are dispersed through the cytoplasm of erythrocytes in a peripheral blood smear.
The majority of cases of hyperthyroidism in cats are the result of benign tumours. The most commonly identified abnormalities of the thyroid gland in hyperthyroid cases are follicular cell adenoma and multinodular adenomatous hyperplasia. 1% to 3% of feline hyperthyroid cases are caused by malignant tumours.
A – Cabot ring B – Howell-Jolly body Cabot ring Cabot rings are thin, red-violet staining, threadlike strands in the shape of a loop or figure-8 that are found on rare occasions in red blood cells (erythrocytes).
A degmacyte or bite cell is an abnormally shaped mature red blood cell with one or more semicircular portions removed from the cell margin, known as "bites". [1] [2] These "bites" result from the mechanical removal of denatured hemoglobin during splenic filtration as red cells attempt to migrate through endothelial slits from splenic cords into the splenic sinuses. [3]