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16 Cards in this Set
- Front
- Back
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What are Hemangiomas?
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Benign vascular tumors composed of increased numbers of normal or abnormal blood vessels
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Where are the majority of hemangiomas found?
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in the head and neck
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What age of patients are hemangiomas commonly seen in?
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Children
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What is a larger, more dilated hemangioma that is seen in similar ages as capillary hemangioma?
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Cavernous hemangioma
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What syndrome is Cavernous hemangioma associated with?
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von Hippel lindau
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What is a polypoid form of capillary hemangioma called?
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Pyogenic granuloma; lobular capillary hemangioma
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How do lobular capillary hemangiomas develop?
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As rapidly growing, exophytic red nodules on the skin or oral mucosa.
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Why are lobular capillary hemangiomas bad?
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-They bleed easily
-They can ulcerate |
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What is an exquisitely painful tumor that arises from smooth muscle cells of the glomus body?
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Glomus tumor (glomangioma)
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Where are glomus tumors most often found?
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in the skin, under the nails
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What are the 2 morphologic components of a glomus tumor?
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1. Branching vascular channels
2. Nests of glomus cells around the vessels |
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What are glomus cells?
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Small round/cuboidal cells with little cytoplasm.
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What vascular cancer is associated with immunosuppressed patients?
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Kaposi's sarcoma
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What does Kaposi sarcoma have a 95% association rate with?
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HHV8
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What malignant, endothelial neoplasm is commonly seen in older adults?
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Angiosarcoma
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What carcinogens is angiosarcoma associated with?
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-Arsenic
-Thorotrast -PVC |
