What finding is often present in a patient with keratosis pilaris?

In patients with keratosis pilaris, the hallmark finding is indeed small, rough bumps, typically found on the outer sides of the arms and thighs. This condition is caused by the buildup of keratin, a protein that protects the skin from harmful substances and infection, leading to plugs in the hair follicles. The characteristic appearance—often described as "chicken skin"—is particularly common in areas where the skin is thicker and where there may be increased friction.

Keratosis pilaris is usually asymptomatic, though some patients may experience minor itching or irritation. These bumps can vary in color, often appearing red, white, or skin-toned, but they generally do not present with any significant inflammation or additional skin changes associated with more severe dermatoses. Understanding this condition and its typical presentation aids in diagnosis and management, wherein reassurance is often the primary approach, as keratosis pilaris is benign and tends to resolve or improve with age.