Caryospora-associated dermatitis in dogs

Numerous developmental stages of Caryospora sp. were seen in skin and lymph node of a 2-mo-old-dog with severe pyogranulomatous dermatitis. Schizonts were up to 20 µm long and contained up to 25 merozoites. Gamonts, unsporulated oocysts, sporulated oocysts, and caryocysts were seen in macrophages, c...

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Bibliographic Details
Published in:The Journal of parasitology 1990-08, Vol.76 (4), p.552-556
Main Authors: Dubey, J.P. (Zoonotic Diseases Laboratory, ARS, USDA, Beltsville, MD), Black, S.S, Sangster, L.T, Lindsay, D.S, Sundermann, C.A, Topper, M.J
Format: Article
Language:English
Subjects:
ANIMAL DEVELOPMENTAL STAGES
Animal protozoal diseases
Animals
Biological and medical sciences
CARYOSPORA BIGENETICA
CHIEN
COCCIDIA
Coccidia - isolation & purification
Coccidiosis - diagnosis
Coccidiosis - parasitology
Coccidiosis - veterinary
DERMATITE
DERMATITIS
Dermatitis - diagnosis
Dermatitis - parasitology
Dermatitis - veterinary
Dog Diseases - diagnosis
Dog Diseases - parasitology
DOGS
ETAPAS DEL DESARROLLO ANIMAL
Gametocytes
GEORGIA
GEORGIE
Immunohistochemistry
Infections
Infectious diseases
LYMPHATIC SYSTEM
Medical sciences
Merozoites
Oocysts
Parasite hosts
Parasitic diseases
Parasitism
Parasitology
Pathogenesis and Host Response
PEAU
PERRO
PIEL (ANIMAL)
Protozoal diseases
Schizonts
SISTEMA LINFATICO
SKIN
Skin Diseases, Parasitic - diagnosis
Skin Diseases, Parasitic - parasitology
Skin Diseases, Parasitic - veterinary
Sporozoites
STADE DE DEVELOPPEMENT ANIMAL
SYSTEME LYMPHATIQUE
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Description
Summary:Numerous developmental stages of Caryospora sp. were seen in skin and lymph node of a 2-mo-old-dog with severe pyogranulomatous dermatitis. Schizonts were up to 20 µm long and contained up to 25 merozoites. Gamonts, unsporulated oocysts, sporulated oocysts, and caryocysts were seen in macrophages, connective tissue cells, and in unidentifiable host cells. Caryocysts were up to 18 µm long, and had thin walls, and contained a host cell nucleus and 1-3 sporozoites. All developmental stages of the coccidium reacted positively with anti-Caryospora bigenetica serum when examined in an immunoperoxidase test.
ISSN:0022-3395
1937-2345
DOI:10.2307/3282839