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Exam 1
Vascular II
21
Veterinary Medicine
Professional
01/21/2017

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Cards

Term
Definition: Vasculitis
Definition
-inflammation of the blood vessels
Term
Which breeds have a genetic predisposition to vasculitis?
Definition
-Beagle pain syndrome
-Alabama rot: idiopathic vasculopathy of Greyhounds
-Sarpei fever
Term
What are the possible resulting clinical signs of vasculitis?
Definition
-ecchymosis
-petecchia
-infarcts on liver/spleen/lung/etc
-dependent edema
-etc
Term
Where do you find adult worms in dogs?
Definition
-pulmonary aa and right ventricle
Term
What are the results of pulmonary vascular dz?
Definition
-pulmonary hypertension
-interference with valve function
-right-sided HF
Term
Describe the 2-stage development of the arterial lesion due to canine dirofilariasis?
Definition
1. Endoarteritis: eosinophils and neutrophils
2. inflammation subsides and is replaced by fibrointimal proliferations that give the artery a roughened, striated appearance
Term
What kind of issues do we see with feline HW dz?
Definition
-issue is with the arrival and death of juvenile worms in the pulmonary aa
-causes issues in airways, sudden death, vomiting not associated with eating
Term
What is the result of Strongylus vulgaris in horses?
Definition
-severe arteritis and thromboemvolism in cranial mesenteric a
-fixed by standard medical care
Term
What are the results of Spirocerca lupi?
Definition
-aneurysms and mineralization of thoracic aorta
-occurs in SE swampy US
-migrates to esophagus and set up shop in a granuloma that becomes neoplastic
Term
What are the two most common neoplasms of the heart?
Definition
-hemangiosarcoma
-malignant lymphoma
Term
What will an atrium look like with lymphoma?
Definition
-it will be the color of pale fish
-will be as thick as a ventricle
Term
What are some of the causes of heart base tumors? Which breeds of dogs get them?
Definition
-neuroendocrine (aortic body)
-thyroid/ parathyroid
-other
-seen in brachycephlic dogs
Term
Which dog breed is especially known for hemangiosarcomas?
Definition
-German Shepherd Dogs
Term
Are hemangiosarcomas usually benign or malignant? From what do they arise?
Definition
-usually highly aggressive and malignant
-arise from endothelial cells
Term
What are the four most common splenic lesions?
Definition
-nodular hyperplasia
-hematoma
-hemangioma
-hemangiosarcoma
Term
If the spleen is diffusely enlarged what can it not be?
Definition
-can not be nodular hyperplasia, hematoma, hemangiosarcoma
Term
What lesions could be explained by nodular hyperplasia, hematoma, or hemangiosarcoma?
Definition
-bumps all over
Term
What are the two classifications of hemangiosarcomas?
Definition
-visceral: spleen, right atrium liver
-cutaneous
Term
Explain the stages of cutaneous hemangiosarcoma?
Definition
-Stage I: confined to dermis (median survival 780d)
-Stage II: extend below the dermis, hypodermal (172d)
-Stage III: into underlying muscle (307d)
Term
What factors determines prognosis of a cutaneous hemangiosarcoma?
Definition
-if confined to dermis, then good prognosis when removed with good prognosis
-if any deeper, guarded prognosis at best
Term
What causes hemangiosarcoma?
Definition
-UV-induced
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