Multiple hard, white or yellowish, subcutaneous nodules that may extrude chalky calcium material.
The primary lesions of acne, which can be open (blackheads) or closed (whiteheads), representing non-inflammatory follicular plugs.
A photosensitive disorder with multiple, small, annular, atrophic, brownish macules with a distinct keratotic rim, on the lower legs and forearms.
Sudden crops of small, reddish-yellow papules with an erythematous halo, often on extensor surfaces, due to very high triglycerides.
A generalized form can present with hundreds of small, skin-colored or erythematous papules without surface scale.
Presents as a generalized eruption of pruritic, purple, polygonal, planar papules and plaques.
Multiple tiny, white, firm, pearl-like superficial keratin cysts, often seen on the face.
A viral infection causing multiple, discrete, skin-colored, dome-shaped papules with a characteristic central umbilication or depression.
A key feature of neurofibromatosis type 1 is the presence of multiple soft, skin-colored, 'button-hole' like papules and nodules.
Multiple intensely itchy, firm, excoriated nodules that arise from chronic scratching, typically on the extensor surfaces of the limbs.
A condition with a widespread eruption of small, waxy, skin-colored papules due to dermal mucin deposition, often in a linear arrangement.
Verruca plana are multiple, small, skin-colored or pink, flat-topped papules, common on the face and backs of hands.
Can present as crops of multiple small, reddish-brown or violaceous, translucent-appearing papules, often on the face.
Multiple small, yellowish, umbilicated papules on the face, representing enlarged oil glands.
Multiple benign, waxy, hyperpigmented, 'stuck-on' papules and plaques with a verrucous surface, common in older individuals.
Multiple soft, fleshy, pedunculated (on a stalk), skin-colored papules, common on the neck, axillae, and groin.
A genetic condition with numerous, small, skin-colored or yellowish, cystic papules on the chest, axillae, and face, which contain an oily fluid.
Benign sweat duct tumors presenting as multiple, small, skin-colored or yellowish, flat-topped papules, classically on the lower eyelids.
Soft, yellowish, velvety papules and plaques on the eyelids, which are a specific type of xanthoma.
