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18 Cards in this Set
- Front
- Back
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What is a hemangioma?
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Benign blood vessel proliferation with a layer of normal endothelial cells
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What is a strawberry hemangioma? what are pathology features? What is the population?
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Found in children at birth, goes away without treatment.
Well circumscribed with numerous blood vessels. |
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What is a cavernous hemangioma? What are features?
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Large proliferation involving venules, capillaries and arterioles.
Larger sinuses with blood. |
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What is a pyogenic granuloma? What is the population?
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Red, ulcerated lesion found in pregnancy.
PMNs, neutrophils and inflammatory cells found. |
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What is a glomus tumor?
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Painful vascular tumor under fingernails.
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What is bacillary angiomatosis? What is it caused by?
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Maculopapular rash with epithelioid endothelial cells on capillaries.
Bacilli seen with Warshin-Starry stain Caused by bartonella henselae in immuno-compromised patients. |
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What is Kaposi's sarcoma? What is it associated with?
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Vascular tumor seen in immunocompromised.
See spindle cells. Associated with herpes 8 |
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What is angiosarcoma? What exposures cause it?
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Malignant endothelial neoplasm
Arsenic, thorotrast, polyvinyl chloride |
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What causes concentric hypertrophy?
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Pressure overload- hypertension, aortic stenosis.
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What causes eccentric hypertrophy?
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Volume overload- valvular regurgitations, shunts
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Which diseases lead to cardiac dysfunction?
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Weakness of muscle of failure to fill.
Obstruction to flow. Regurgitant flow. Shunted flow. Disorder of cardiac conduction. Rupture of heart. |
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What are symptoms of heart failure?
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Dyspnea
Orthopnea PND Pedal edema |
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What type of exudate is seen in heart failure?
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Transudate- low in protein.
Seen in pleural cavity or pedal edema |
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What morphology is seen in heart failure?
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Dilated, hypertrophic chambers.
Frothy lugns. Pigmented macrophages. Nutmeg pattern of liver. |
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What causes angina?
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Partial occlusion of coronary vessels due to spasm, atherosclerosis or stenosis.
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What is stable angina?
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Associated with fixed narrowing of coronary arteries.
Pain comes with exertion. Responds to rest, vasodilation. |
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What is prinzmetal angina?
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Coronary artery spasm, not associated with exertion.
Responds to vasodilators. |
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What is unstable angina?
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Crescendo, precedes infarction.
Exertion. Acute plaque changes- thrombosis, embolism, vasospasm |
