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Petechiae and Ecchymoses 1267.e1

Petechiae and Ecchymoses
VetBooks.ir Thrombocytopenia Secondary IMT: Delta storage–pool disease of American cocker

Decreased Platelet Production
spaniel
Rickettsial infection
Drug: Infection: Other thrombopathias:
Albendazole (D) Babesiosis Basset hound
Azathioprine (D,C) Neoplasia German shepherd
Chemotherapeutic agents (D,C) Vaccine Greater Swiss mountain dog
Chloramphenicol (D,C) Drug: Pug
Estrogen (D) Sulfonamides (D) Eskimo spitz
Fenbendazole (D) Cephalosporins (D) Landseer
Griseofulvin (C) Gold salts (D) Spitz
Meclofenamic acid (D) Methimazole (C) Gray collies with cyclic hematopoiesis
Phenobarbital (D) Propylthiouracil (C) Domestic shorthair
Phenylbutazone (D) Dextrans (D) Acquired
Trimethoprim-sulfadiazine (D) Anaplasma platys (D) Drug:
Infection: Increased Platelet Consumption Aspirin
Ehrlichia spp Disseminated intravascular coagulation Other NSAIDs
FeLV Heatstroke Cephalothin
FIV Vasculitis: Acepromazine
Disseminated histoplasmosis Infectious Systemic disease:
Parvovirus (also consumption) Sepsis Uremia
Myelophthisis: Rickettsia rickettsii Liver disease
Lymphoma Leptospira spp Hematologic disorders:
Leukemia Ehrlichia spp Myelo-/lymphoproliferative disorders
Other neoplasia FIP Dysproteinemia (e.g., multiple myeloma)
Myelofibrosis Neoplasia
Myelonecrosis Immune-mediated disorder Vascular Disorders Differentials, Lists, and Mnemonics
Immune-mediated disorder (antimegakaryocytic) Drug reaction Vasculitis (see Increased Platelet Consumption)
Increased Platelet Destruction Thrombopathia Hyperadrenocorticism
Dysproteinemia
Primary IMT: Inherited
ITP Chédiak-Higashi syndrome of Persian cats
SLE Thrombasthenia of otterhounds and Great
Pyrenees
C, Cats; D, dogs; FeLV, feline leukemia virus; FIP, feline infectious peritonitis; FIV, feline immunodeficiency virus; IMT, immune-mediated thrombocytopenia; ITP, idiopathic thrombocytopenic purpura; NSAID,
nonsteroidal anti-inflammatory drugs; SLE, systemic lupus erythematosus.
Modified from Ettinger S, Feldman E: Textbook of veterinary internal medicine, ed 5, St. Louis, 2000, Saunders.

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