Dermatology/ Pigmentary Disorders Flashcards
Acquired skin depigmentation characterized by totally white macules that enlarge and can affect the entire skin is known as what disorder?
Vitiligo
What is the approach to management of Vitiligo?
- protection of skin with sunscreen
- cosmetic coverup to hide white macules
- topical photochemotherapy with UVA
- repigmentation with topical glucocorticoids or topical psoralens
- photochemotherapy with PUVA for widespread lesions
What is the differential diagnosis of hypopigmentation?
- vitiligo
- postinflammatory hypomelanosis
- pityriasis (Tinea) versicolor
- pityriasis alba
- atopic dermatitis
- psoriasis
- cutaneous lupus erythematosus
- seborrheic dermatitis
- trauma
- recent intralesional glucocorticoid injection
What is the most likely diagnosis of a hypopigmented macule with mild scaling that is often seen in persons with black or brown skin in temperate climates?
Pityriasis alba
A patient presents with hypopigmented macules and patches on their trunk for the last few weeks. They do not itch, but you notice a fine scale when looking closely at the area. What is the diagnosis and likely pathogen behind this?
Tinea versicolor
What is the treatment for Tinea versicolor?
Topical antifungals
What is the name for well demarcated, hyperpigmented macules commonly found on the cheeks in women with pregnancy and the use of contraceptive hormones?
Melasma
