Skin AbnormalitiesMs. Knight

Winter, 2011

Objectives

• Provide correct names for three abnormal colors of the skin and identify the cause of each color.

• Describe at least four skin eruptions.• Describe at least four diseases of the

integumentary system.• Define, pronounce, and spell key terms.

PIGMENTATION

SKIN COLOR• Melanin: brownish, black

pigment can lead to a black, brown, or yellow skin tint depending on racial origin

• Albino: a person without color pigment (skin is pinkish)

• Erythema: reddish color caused by burns or congestion

• Cyanosis: bluish discoloration caused by insufficient oxygen

Skin Eruptions• Macules: flat spots such as freckles

• Papules: firm, raised areas such as pimples

• Vesicles: blisters, fluid filled sacs

• Pustules: pus-filled sacs such as acne

• Crusts: areas of dried pus and blood; scabs

• Wheals: itchy, elevated areas with irregular shape, hives, insect bites

• Ulcer: loss of skin surface that may extend into the dermis

CAUTION! The following pictures are graphic in nature.

Match the image to the appropriate type eruption

• Pastules (strep throat)• Vesicles (chicken pox)• Wheals/Hives• Ulcer (mouth)• Macules (flat)• Vesicles (blister)• Pustules (acne)

Identify the Abnormal Conditions

• Acne Vulgaris• Athletes’ Foot• Skin Cancer• Eczema• Psoriasis• Ringworm• Warts/Verrucae• Dermatitis