Exam #4: Skin, Hair, & Nails Flashcards
What are the different appendages of the skin?
1) Hair
2) Nails
3) Sebaceous glands
4) Eccrine sweat glands
5) Apocrine sweat glands
What are the ABCDE’s of melanoma?
Asymmetry Borders (irregular) Color (variation) Diameter (>6mm) Evolution (change in size/symptoms)
What is basal cell carcinoma?
Most common cause of skin cancer that appears:
- A waxy papule that bleeds easily
- Central crater with rolled borders
What are the risk factors for basal cell carcinoma?
Sun exposure
What is squamous cell carcinoma?
Second most common skin cancer
- Scaling, crusting, raised nodule that may bleed
What are the risk factors for squamous cell carcinoma?
asdf
What are the characteristics of a normal mole?
Uniformly tan or brown All look alike Round or oval Clear defined borders Flat or smooth Less than 6mm Found on waist, scalp, breast, sun exposed areas
What is a “dysplastic mole?”
An atypical moles that is unusually benign but may resemble melanoma
What are the characteristics of a dysplastic mole?
Varied appearance Irregular borders Fades in surrounding skin Smooth, scaly, rough, irregular >6mm Found on back, below waist, scalp, breast buttocks
What is the difference between vellus & terminal hair?
Vellus= short, fine, inconspicuous, and relatively unpigmented
Terminal= coarser, thicker, more conspicuous, usually pigmented (e.g. scalp & eyebrows)
What is a yellow nail an indication of?
Psoriasis
Fungal infection
Chronic respiratory problems
What is a darkening nail an indication of?
Drugs
Candida
Hyperbilirubinemia
Chronic trauma
What is a green-black nail an indication of?
Injury
Pseudomonas infection
What is a single blue or black nail an indication of?
Trauma
Melanoma
What are blue nails an indication of?
Cyanosis
Asthma
Cardiac disorder
Severe anemia
