Closed comedones (whiteheads) are follicular plugs that can be expressed, whereas milia are firm, non-follicular, subepidermal keratin cysts that cannot be easily expressed.
Molluscum are viral papules distinguished by their larger size and characteristic central umbilication.
Flat warts are skin-colored papules with a slightly rough surface, unlike the smooth, dome-shaped, white appearance of milia.
These are yellowish papules with a central umbilication, representing enlarged oil glands, typically seen in older adults on the face.
These are multiple, yellowish cysts containing oily fluid, typically on the trunk, and are larger and more cystic than milia.
These are benign sweat duct tumors, appearing as multiple, small, flat-topped, skin-colored papules, classically around the eyes.
