Hyperpigmented Axillae in an Obese Man

February 9, 2015

What disorders can give rise to pigmentary changes like this in an obese young man?

Hyperpigmentation is seen on the axillae of an obese 27-year-old man. The pigmentary changes are asymptomatic and have been present for several years.

Such hyperpigmentation is associated with which of the following disorders?