Oncology - Intro + Lymphoma Flashcards
True or False: Cancer is a leading cause of death for dogs and cats.
True
What are some things that clients will want to know when you tell them their animal has cancer?
Diagnosis, prognosis, quality of life, treatment options, cost, and ‘what to do’
Multimodal treatment is often need for neoplasia. What are the four main treatments?
Chemotherapy, surgery, radiation, immunotherapy
What are some general categories that you need to know when treating neoplasia?
What is it? Cytology, biopsy Where is it? Location, staging How is it likely to behave? locally, systemically Treatment options Expected outcomes/prognosis Clients' goals/expectations
What are the most common side effects of chemotherapy?
Myelosuppression and GI side effects
How does myelosuppression due to chemotherapy present?
neutropenia and thrombocytopenia
What GI signs are side effects of chemotherapy?
Vomiting, inappetence, and diarrhea
Hair loss is an uncommon side effect of chemotherapy. However when it does occur, what breeds are more affected?
Breeds with continual hair growth
____% of chemotherapy patients experience some level of side effect(s).
~30%
~___-___% of patients that experience chemotherapy side effects are severe enough to require hospitalization.
~5-10%
What % of chemo side effects are severe enough to be life-threatening?
<1%
If your patient is febrile/neutropenic due to chemotherapy, what is the recommended treatment?
IV antimicrobials
If your patient is dehydrated due to chemotherapy, what is the recommended treatment?
IV fluid therapy
What antiemetic works on the emetic center?
Cerenia
What antiemetic works on the chemoreceptor trigger zone?
Cerenia and metaclopramide
What antiemetic works on the afferent neurons?
Ondansetron
What is the antiemetic protocol for in-hospital chemotherapy patients?
Ondansetron 0.5 mg/kg SC 30 minutes prior to chemotherapy
What is the antiemetic protocol for at-home chemotherapy patients?
Cerenia 2 mg/kg PO q24 hours for 5 days
What are the rescue options for breakthrough vomiting in chemotherapy patients?
Ondansetron
Metoclopramide
Mirtazapine
Cerenia (maropitant) treats vomiting by preventing the binding of which ligand to its respective receptor in the emetic center?
a. Serotonin to 5HT3
b. Dopamine to D2
c. Substance P to NK1
d. Histamine to H2
c. Substance P to NK1
_______ is a key indicator of quality of life. It is often the first or only sign a pet is not feeling well.
Appetite
_______ is considered an acceptable side effect, but ______, ______ ____ and depression are considered unacceptable.
Vomiting, inappetence, and weight loss
What type of drug is mirtazapine?
Noradrenergic and specific serotonergic antidepressant
What does mirtazapine do on a physiological level?
Stimulates 5-HT1 receptors
Strongly antagonizes 5-HT2 and 5-HT3
On a clinical level, what does mirtazapine do?
Decreases nausea/vomiting, appetite stimulant, and possible prokinetic effect
What animal is Mirataz (mirtazapine transdermal ointment) FDA approved for use in?
Cats