· We found that the cones may in fact be the structure. They exist where hypertrophic scar occurs—cheek, neck, chest, abdomen, back, buttock, arm, forearm, dorsal hand, thigh, leg, dorsal foot, helix and ear lobe. They do not exist where hypertrophic scar does not occur—scalp, forehead, concha, eyelid, palm, early fetus, and in rat, or rabbit.