"On physical examination, the foci of calcification are usually solitary, solid, pale yellow-white papules, ranging in size from 3-11 mm."
"subepidermal calcified nodules: calcified nodules in a subepidermal location in the head, hands and feet, primarily in children"
"For some patients, no active treatment is necessary, however, for others, due to pain, secondary infections, concerns about the cosmetic effects or deleterious effects on function, surgical removal of the calcified papules is often performed 1."