Elevated lesions that contain fluid, when they are larger than 5 mm it is reffered to bullae or blisters

elevated, flat-topped area greater than 5 mm in diameter, without substantial depth

seborrheic keratosis

rounded or flat-topped elevations of skin

mosquito bites

dry, horny, platelike, usually the result of imperfect cornification

Excision and cryosurgery are the treatment of this

brownish, slightly raised,circumscribed, and verrucous.

precancerous lesion

Auspitz sign and Munro abcesses

Psoriasis:

actinic keratosis:

Occasionally these cells fuse and form multinucleate giant cells

slightly raised plaques with variegated pigmentation and irregular borders occurring in both sun-exposed and protected skin.

Nevus cells are arranged in nests in the lower epidermis.