Presents as hard, rock-like papules that may extrude a chalky white material, unlike the cystic, oily contents of steatocystomas.
A congenital subcutaneous cyst, often found along embryonic fusion lines (like the eyebrow), that may contain hair and other structures.
A common cyst containing cheesy, foul-smelling keratin, often with a central punctum, distinguishing it from the oily content of a steatocystoma.
Yellowish papules with an erythematous base that appear suddenly in the context of hypertriglyceridemia, a systemic metabolic sign.
A palpable, mobile, or fixed nodule in a characteristic location (e.g., neck, axilla, groin) that is a normal or reactive part of the immune system.
Viral papules that are dome-shaped with central umbilication, a feature not present in steatocystomas.
Flat-topped papules caused by HPV, which are solid and superficial, not cystic dermal lesions.
Yellowish, umbilicated papules on the face of older adults, representing enlarged oil glands, not true cysts.
