A family history of vitiligo is associated with an 18 fold increase in the risk and the early onset of the disease.  The presence of autoimmune diseases in a patient is also considered a risk factor for developing vitiligo.
Vitiligo risk factors
Psoriasis risk factors
Erythrasma risk factors
Eczema risk factors
Linitis plastica risk factors
Erythrasma other imaging findings
Vitiligo other diagnostic studies
Alopecia risk factors