1st TYPE of lesions

Question 1

1. Basic lesions

Answer 1

1. Macule- area of discolouration, not raised or palpable
   * If doesn’t blanch/pale if pressed with glass,then purpura
2. Petechiae, purpura, ecchymosis- bleeding in skin; petechiae smaller than purpura and ecchymosis;do not blanch when pressed. Purpura sometimes palpable.
3. Papule- solid palpable lesion,0.5 cm in diameter
4. Plaque- Well-defined plateau-like elevation over large area
5. Nodule- Solid, round palpable lesion. size differentiates from papule
6. Pustule- Palpable cavity containing purulent exudate
7. Vesicle/ Bullae- thin-walled, translucent pimple/blister containing fluid

Question 2

2. Sequential lesions- what the basic lesion develops into

Answer 2

scale (flaky), excoriation (scraped), hyperkeratosis, lichenification (skin becomes thickened and leathery) or exudation (fluid)