BACKGROUND: Eruptive vellus hair cysts are uncommon developmental anomalies of vellus hair follicles that are observed in young patients. Two patients were evaluated for asymptomatic flesh ...

Umbilicated and nonumbilicated papules were present on the presternal area of a patient with eruptive vellus hair cysts. Histopathological examination of umbilicated papules showed penetration of ...

An ingrown hair bump, or cyst, extends from your body’s surface and deep underneath it. It often looks like a red pimple with one hair on its surface, but other types can look different and ...