List of top Dermatology Questions on Disorders of Pigmentation

A 20-year-old patient presents with a non-progressive hypopigmented lesion on the trunk. On Wood's lamp examination, there is white accentuation. Diascopy is negative. What is the most likely diagnosis?
What is ZASKO's phenomenon?
A female patient with a body mass index of 30 kg/m2 presents to you with a lesion on the neck, as shown below. Which of the following conditions is the most likely to be suffering from?
Metabolic syndrome
Which of the following regarding the condition depicted in the image?
Which of the following regarding the condition depicted in the image?
Identify the following lesion.
lesion
Which of the following causes melanosis coli?
A patient who has been on MBMDT presents with inflammation over pre-existing lesions and nerve involvement. What will be the best approach of treatment?
What are the associated features of this deficiency disorder?
What are the associated features of this deficiency disorder?