7012: Pediatric Dermatology Exams 100% Correct!!

What is the pathophysiology of acne vulgaris? - ANSWER1. accumulation of epithelial cells and keratin 2. accumulation of shed keratin and sebum 3. proliferation, mild inflammation 4. marked inflammation, scarring What are the primary lesions? - ANSWERComedones What are open comedones called? - ANSWERBlackheads What are closed comedones called? - ANSWERWhiteheads What are comedones? - ANSWERBlackheads and white heads caused by keratin plugging and sebaceous production What is comedogenesis? - ANSWERformation of comedones What are secondary lesions? - ANSWER-pustules: a small blister or pimple on the skin containing pus -papules: raised area of skin tissue that's less than 1 centimeter around. -nodules: a small swelling or aggregation of cells in the body -cysts: sac-like pocket of membranous tissue that contains fluid, air, or other substances sinus tracks: narrow opening or passageway underneath the skin that can extend in any direction through soft tissue and results in dead space with potential for abscess formation. W