Term
|
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
|
|
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
|
|
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
|
|
