Vitiligo

Question 1

Case

Answer 1

10-12 year old boy travel , history of hypopigmentation over hands

Question 2

Pathology

Answer 2

Autoimmune destruction of melanocytes, may be familial or acquired
associated conditions : Addisons , Diabetes mellitus , pernicious , anemia , thyroid dysfunction

Question 3

Lesion

Answer 3

Deep pigmented lesion macule and patches

Question 4

Differential diagnosis

Answer 4

1)Leukoplakia
2)Tinea versicolor

Question 5

Dx

Answer 5

1)Clinical evaluation
2)Woods light ( ivory =white ) (erythrasma = orange / green) ( tinea capitis = green) •
3)Additional test for autoimmune disease

Question 6

Treatment

Answer 6

1)Sunscreen
2)Topical steroids
3)Topical calcineurin inhibitors
4)Psoralen + UVA therapy
5)Surgery ( micrografting , tattooing )