A 22-year-old man presented with a 6-week history of generalized asymptomatic papules (Fig. 1A). The rashes were increasing gradually and predominantly distributed on the back and the extensor surface of upper limbs. He had a history of obesity and consumed a high-fat diet. He denied any history of hypertension, diabetes, and a family history of dyslipidemia, vascular disease, or pancreatitis. Physical examination revealed multiple yellowish-red, smooth, dome-shaped papules, each measuring 2–4 mm in diameter (Fig.