HSCI 201 Lecture Notes - Lecture 6: Dermis, Metastasis, Seborrheic Keratosis
26 Mar 2017
School
Department
Course
Professor
Document Summary
Skin: color (cyanosis, jaundice, carotenemia), moisture, temperature, texture, mobility (decreased with edema), turgor (how quick folds return to place = slow when dehydrated) Interpretation: skin: brown, blue, red, yellow, pale, primary skin lesions: Macule: <1 cm, flat spot non palpable. Patch: 1cm +, flat spot non palpable. Nodule: 5 cm+, knot-like lesion, deep and firm. Cyst: nodule filled with liquid or semisolid. Wheal: irregular, transient skin edema usually from hives. Vesicle: <1 cm, filled with serous fluid. Bulla: 1 cm+, filled with serous fluid. Pustule: filled with pus/yellow proteinaceous fluid with neutrophils (acne) Burrow: raised tunnel into epidermis scabies: secondary skin lesions. Lichenification: thickened/palpable epidermis from chronic rubbing like video games. Keloids: hypertrophic scarring that"s bigger that he borders of initial injury. Ulcer: deeper loss of epidermis and dermis bleed and scar: vascular and purpuric skin lesions. Cherry angioma: 1-3 mm, red/ruby, round, trunk or extremities, flat or raised, not significant.
