Leukoreduction in a dog with acute leukemia

Abstract A 9‐year‐old male castrated golden retriever cross was evaluated for an acute onset of ataxia. A complete blood count revealed marked leukocytosis, anemia, and thrombocytopenia. Leukocytosis was characterized by marked lymphocytosis, monocytosis, neutropenia, and eosinopenia. Flow cytometry...

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Main Authors: Brenna Hanratty, Anna Hauck, Amanda Foskett, J. D. Foster
Format: Article
Language:English
Published: Wiley 2025-01-01
Series:Journal of Veterinary Internal Medicine
Subjects:
Online Access:https://doi.org/10.1111/jvim.17283
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author Brenna Hanratty
Anna Hauck
Amanda Foskett
J. D. Foster
author_facet Brenna Hanratty
Anna Hauck
Amanda Foskett
J. D. Foster
author_sort Brenna Hanratty
collection DOAJ
description Abstract A 9‐year‐old male castrated golden retriever cross was evaluated for an acute onset of ataxia. A complete blood count revealed marked leukocytosis, anemia, and thrombocytopenia. Leukocytosis was characterized by marked lymphocytosis, monocytosis, neutropenia, and eosinopenia. Flow cytometry identified CD34+ leukocytosis with cells that did not express lineage antigens, suggesting the most likely diagnosis of either acute lymphoid or myeloid leukemia. Leukoreduction via leukapheresis was elected to reduce the disease burden before initiating chemotherapy. Postleukoreduction, the dog had a 54% decrease in their white blood cell count. The dog completed multiple weeks of traditional cyclophosphamide, doxorubicin, vincristine, prednisone (CHOP)‐based treatment and had a survival time of 43 days before the owner elected humane euthanasia. To our knowledge, this report represents a case of acute leukemia in a dog treated with leukoreduction before starting chemotherapy.
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spelling doaj-art-833e99c54d6241059c0e2efe418e405c2025-01-27T15:22:41ZengWileyJournal of Veterinary Internal Medicine0891-66401939-16762025-01-01391n/an/a10.1111/jvim.17283Leukoreduction in a dog with acute leukemiaBrenna Hanratty0Anna Hauck1Amanda Foskett2J. D. Foster3Friendship Hospital for Animals Washington District of Columbia USAFriendship Hospital for Animals Washington District of Columbia USAFriendship Hospital for Animals Washington District of Columbia USAFriendship Hospital for Animals Washington District of Columbia USAAbstract A 9‐year‐old male castrated golden retriever cross was evaluated for an acute onset of ataxia. A complete blood count revealed marked leukocytosis, anemia, and thrombocytopenia. Leukocytosis was characterized by marked lymphocytosis, monocytosis, neutropenia, and eosinopenia. Flow cytometry identified CD34+ leukocytosis with cells that did not express lineage antigens, suggesting the most likely diagnosis of either acute lymphoid or myeloid leukemia. Leukoreduction via leukapheresis was elected to reduce the disease burden before initiating chemotherapy. Postleukoreduction, the dog had a 54% decrease in their white blood cell count. The dog completed multiple weeks of traditional cyclophosphamide, doxorubicin, vincristine, prednisone (CHOP)‐based treatment and had a survival time of 43 days before the owner elected humane euthanasia. To our knowledge, this report represents a case of acute leukemia in a dog treated with leukoreduction before starting chemotherapy.https://doi.org/10.1111/jvim.17283chemotherapyhyperleukocytosisleukapheresislymphoblastoncologyveterinary
spellingShingle Brenna Hanratty
Anna Hauck
Amanda Foskett
J. D. Foster
Leukoreduction in a dog with acute leukemia
Journal of Veterinary Internal Medicine
chemotherapy
hyperleukocytosis
leukapheresis
lymphoblast
oncology
veterinary
title Leukoreduction in a dog with acute leukemia
title_full Leukoreduction in a dog with acute leukemia
title_fullStr Leukoreduction in a dog with acute leukemia
title_full_unstemmed Leukoreduction in a dog with acute leukemia
title_short Leukoreduction in a dog with acute leukemia
title_sort leukoreduction in a dog with acute leukemia
topic chemotherapy
hyperleukocytosis
leukapheresis
lymphoblast
oncology
veterinary
url https://doi.org/10.1111/jvim.17283
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AT amandafoskett leukoreductioninadogwithacuteleukemia
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