| INTRAVASCULAR BLOOD LESIONS Usually blanch on pressure and compressible |
|
|---|---|
| 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. |
|
| Hematoma | Thickened; firm to palpation. |
| Ecchymosis | Not thickened |
| Petechiae | Focal and pinpoint size; red; multiple; not thickened |
| MELANOCYTIC LESIONS Persistent; do not blanch |
|
| 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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