Pigmentary Disorders

What is the diagnosis?

• Vitiligo

• Leprosy

• Piebaldism

• Pityriasis alba

What is the diagnosis?

• Vitiligo

• Melasma

• Leprosy

• Solar lentigenes

What is the diagnosis?

• Melanoma

• Halo nevus

• Melasma

• Solar lentigenes

What is the major determinant of normal skin color?

• Number of melanocytes

• Density of melanocytes

• Activity of melanocytes

• Size of the melanocytes

A 20-year old male with hypopigmented patch on the arm accompanied by loss of sensation over the lesion. What is the diagnosis?

• Vitiligo

• Leprosy

• Pityriaisis alba

• Pityriasis versicolor