Term
T/F: most nasal tumors are malignant. |
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Definition
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Term
What class of dogs are predisposed to nasal tumors? |
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Definition
Dolichocephalic breeds are predisposed to nasal tumors. |
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Term
What environmental stimuli can put animals at an increased risk for nasal tumors? |
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Definition
Urban lifestyle Flea sprays Kerosene/coal heaters Secondhand smoke |
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Term
Describe the clinical presentation of a dog/cat with a nasal tumor: |
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Definition
Nasal discharge Epistaxis--often unilateral CNS signs if cribriform plate is penetrated--seizures, paresis Facial deformity Dyspnea
Note: clinical signs will depend on location |
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Term
What are some differentials for dog/cat with upper respiratory signs, besides neoplasia? |
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Definition
Tooth root abscess Inflammatory polyp Fungal/bacterial infections Lymphoplasmacytic/eosinophilic rhinitis Coagulopathies Nasal mites Foreign body |
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Term
Though paraneoplastic disorders are rare in nasal tumors, they can occur. What are some of them? |
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Definition
Erythrocytosis Mild nonregenerative anemia Immune-mediated thrombocytopenia Hypercalcemia |
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Term
T/F: in general, detection of nasal neoplasms in our canine and feline patients is so late in the course of the disease that effective management with any therapy is compromised by large tumor burden and significant invasiveness. |
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Definition
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Term
What diagnostic test is required to confirm the tumor type of a nasal neoplasm? |
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Definition
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Term
What diagnostic tests should be done in cases of suspected nasal neoplasms? |
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Definition
Phyical exam Pre-biopsy coagulation tests, CBC, Chem, UA Radiographs--3 view CT Biopsy FNA of submandibular lymph node |
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Term
____-____% of dogs with nasal neoplasms will have early spreads to regional lymph nodes, commonly the ___________ lymph node. |
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Definition
10-20% Submandibular lymph node |
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Term
Without therapy, the MST for a dog with a nasal tumor is ______ months, while radiation therapy extends MST to ______ months. |
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Definition
3-6 months without treatment 12 months with radiation |
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Term
Cats with nasal lymphoma typically have a MST of ____ year. |
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Definition
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Term
T/F: chemotherapy for the treatment of nasal tumors is curative. |
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Definition
False. Chemotherapy (cisplatin/carboplatin/ palladia) is palliative |
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Term
T/F: piroxicam is acceptable in any nasal tumor therapy. |
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Definition
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Term
List the positive prognostic indicators for a nasal tumor: |
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Definition
Tumor type: sarcoma better than carcinoma
Radiation sensitivity: adenocarcinomas more sensitive
Histologic grade
Clinical stage
Degree of invasiveness |
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Term
What is the most common type of nasal tumor? |
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Definition
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Term
On average, dogs with nasal cancer are about ___ years old, though chondrosarcomas occur in dogs with a mean age of about ___. |
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Definition
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Term
What type of biopsy is useful when a nasal tumor cannot be visualized? |
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Definition
Blind transnasal core biopsy |
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Term
What treatment option is typically the standard of care for dogs with nasal neoplasms? |
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Definition
Radiation therapy
Note: CT/MRI is imperative for radiation planning. |
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