INTRAVASCULAR BLOOD LESIONS Usually blanch on pressure and compressible |
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Varix | Blue; thickened; sometimes does not blanch due to thrombosis. |
Hemangioma | Congenital; thickened; red or blue |
Kaposi sarcoma | Patient is immunocompromised; may be thickened or flat. |
EXTRAVASCULAR BLOOD LESIONS Do not blanch; present for less than 1 month; may have history of injury or bleeding problem. |
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Hematoma | Thickened; firm to palpation. |
Ecchymosis | Not thickened |
Petechiae | Focal and pinpoint size; red; multiple; not thickened |
MELANOCYTIC LESIONS Persistent; do not blanch |
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Ephelis (freckle) | Not thickened; located on sun-exposed surfaces. |
Oral melanotic macule | Not thickened; located on mucosa not exposed to sun |
Nevus | Thickened; may be flat early in development |
Melanoma | Thickened; may be flat early in development |
TATTOO Do not blanch; may be history of injury; radiopaque object sometimes seen on radiograph; may be thickened or flat. |
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