Presents as hard, white-to-yellow papules that may extrude chalky material, and feel much firmer than the soft papules of sebaceous hyperplasia.
The primary lesions of acne, which are plugs of keratin and sebum within follicles (blackheads/whiteheads), not lobulated papules.
Sudden appearance of yellowish papules with an erythematous halo, typically on extensor surfaces, indicating severely elevated triglycerides.
Presents as firm, skin-colored or erythematous papules that often form an annular (ring-like) configuration.
Small, firm, white, superficial keratin cysts without the central umbilication or yellowish hue of sebaceous hyperplasia.
Flesh-colored or pearly, dome-shaped papules with central umbilication, caused by a poxvirus and common in children or the immunocompromised.
Soft, skin-colored, 'button-hole' papules that invaginate with pressure, often associated with neurofibromatosis.
Flat-topped, skin-colored or light brown papules caused by HPV, lacking the central umbilication and yellowish color of sebaceous hyperplasia.
Have a 'stuck-on' appearance with a warty, greasy, or velvety surface, and are pigmented rather than yellowish.
Soft, pedunculated (on a stalk) papules commonly found in flexural areas like the neck and axillae.
Dermal cysts that contain oily fluid, appearing as yellowish or skin-colored papules and nodules, but without central umbilication.
Small, skin-colored or yellowish, firm papules, typically clustered on the lower eyelids, representing benign sweat duct tumors.
Yellowish plaques located on the eyelids, representing lipid deposits, which are flat or slightly raised, not umbilicated papules.
