DERMATOLOGY: VITILIGO, MELASMA,
ALOPECIA, AND PIGMENTATION
DISORDERS QUIZ WITH 100%
CORRECT ANSWERS [GRADED A+]
Vitiligo mechanism - ✔✔T-cell-mediated destruction of melanocytes
Vitiligo appearance under Wood's light - ✔✔Bright white fluorescence
Vitiligo and hair depigmentation - ✔✔Yes
Test to rule out tinea versicolor in vitiligo - ✔✔KOH prep
Diagnosis of vitiligo - ✔✔Clinical diagnosis ± Wood's light
©morren2025/2026.Year published 2026.
, First-line treatment for vitiligo <10% BSA - ✔✔Topical steroids or topical
JAK inhibitors
Therapy for vitiligo >10% BSA - ✔✔Phototherapy + topicals
Monobenzone use - ✔✔Depigmentation therapy in widespread vitiligo
Laser for repigmentation in vitiligo - ✔✔XTRAC laser
Transplant option for resistant vitiligo - ✔✔Melanocyte-keratinocyte
transplant (MKTP)
Pityriasis alba skin process - ✔✔Post-inflammatory hypopigmentation
Pityriasis alba and hair pigment - ✔✔No
Typical treatment for pityriasis alba - ✔✔Low-potency topical steroid,
moisturizer, NBUVB
©morren2025/2026.Year published 2026.
ALOPECIA, AND PIGMENTATION
DISORDERS QUIZ WITH 100%
CORRECT ANSWERS [GRADED A+]
Vitiligo mechanism - ✔✔T-cell-mediated destruction of melanocytes
Vitiligo appearance under Wood's light - ✔✔Bright white fluorescence
Vitiligo and hair depigmentation - ✔✔Yes
Test to rule out tinea versicolor in vitiligo - ✔✔KOH prep
Diagnosis of vitiligo - ✔✔Clinical diagnosis ± Wood's light
©morren2025/2026.Year published 2026.
, First-line treatment for vitiligo <10% BSA - ✔✔Topical steroids or topical
JAK inhibitors
Therapy for vitiligo >10% BSA - ✔✔Phototherapy + topicals
Monobenzone use - ✔✔Depigmentation therapy in widespread vitiligo
Laser for repigmentation in vitiligo - ✔✔XTRAC laser
Transplant option for resistant vitiligo - ✔✔Melanocyte-keratinocyte
transplant (MKTP)
Pityriasis alba skin process - ✔✔Post-inflammatory hypopigmentation
Pityriasis alba and hair pigment - ✔✔No
Typical treatment for pityriasis alba - ✔✔Low-potency topical steroid,
moisturizer, NBUVB
©morren2025/2026.Year published 2026.
