A patient has had a "terrible itch" for several months and states that he has been continuously scratching it.During examination, the nurse finds:

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Lichenification results from prolonged, intense scratching that eventually thickens the skin and produces tightly packed sets of papules.A keloid is a hypertrophic scar.A fissure is a linear crack with abrupt edges, which extends into the dermis; it can be dry or moist.Keratoses are lesions that are raised, thickened areas of pigmentation that appear crusted, scaly, and warty.

A Patient Has Had a "Terrible Itch" for Several Months