Unit 1 Flashcards
Primary Leisions: changes in color only
- Macule
- Patch
Macule
Freckles. Smaller than 1 cm and flush with the skin
Patch
Flat, greater than 1 cm
Primary lesions: elevated and palpable
- Papule
- Plaque
- Nodule
- Tumor
- Wheal
Papule
Less than 1 cm. Can be something like a bug bite, or look like a pimple, but has no puss
Plaque
Dry flaky. thick, red, scaly skin of psoriasis
Nodule
Common around joints during rheumatoid arthritis. Greater than 1 cm
Tumor
Larger than a nodule
Wheal
Inflammation of the skin. Hives. vary in size, shape, and color
Primary lesions that contain fluid
- vesicle
- bulla
- pustule
- cyst
Vesicle
Filled with clear fluid. Very small. Like my chigger bites
Bulla
Any blisters. Greater than 1cm
Pustule
Filled with puss. A pimple
Cyst
Very large filled with fluid, no particular type of fluid, just large.
Secondary Lesion
Modification of a primary lesion that results from traumatic injury, evolution from the primary lesion, or other external factors. Secondary lesions include scale, crust, erosion, fissure, ulceration, excoriation, or lichenification.
Secondary lesions: material on the skin
- Crust
- Scale
Secondary lesions examples
- scars
- keloids: raised scarring
Vascular lesions:
malformations are congenital malformations of capillaries, veins, lymphatic vessels, or arteries.
- Hemangiomas
- spider angioma
- Venous Star (Telangiectasis
- petichia
- hematoma
- Ecchymosis