Quiz: The Chemotherapy Patient

Sue Ettinger, DVM, DACVIM (Oncology), Tarrytown, New York

ArticleQuizLast Updated November 20161 min readPeer ReviewedWeb-Exclusive
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CBC abnormalities can have a significant impact on treatment options for a chemotherapy patient. This quiz presents different scenarios with accompanying CBC changes that can commonly occur in patients treated with the CHOP B-cell lymphoma protocol and offers solutions on how to adapt each treatment plan accordingly.

Bear, a 7-year-old castrated golden retriever with B-cell lymphoma, is currently undergoing a CHOP-L (cyclophosphamide, hydroxyl doxorubicin, vincristine [Oncovin], prednisone, L-asparaginase) chemotherapy protocol; see the Table1 for interpretation of the neutrophil counts cited in the following scenarios.

NEUTROPENIA GRADING SYSTEM1

Grade

Neutrophil (/µL)

1

1500/µL to lower limit of normal (LLN)

2

1000-1499/µL

3

500-999/µL

4

<500/µL

CHOP = cyclophosphamide, hydroxyl doxorubicin, vincristine (Oncovin), prednisolone