INTERGUMENTARY SYSTEM DISORDERS

Skin cancer

Most common cancerm

Skin cancer

associated with sun exposure

Basal Cell Carcinoma

most common skin cancer

Basal Cell Carcinoma

tends not to metastasize

Metastasize

cancer cells dont spread on the body

Squamous Cell Carcinoma

results from keratinocytes in the stratum spinosum

Squamous Cell Carcinoma

- Commonly form on the face, hands, ears, and neck, and can metastasize

Malignant melanoma

- rarest form of skin cancer.

- most deadly (because it metastasizes easily

Malignant melanoma

- Usually begins in a mole

Malignant melanoma

- Irregular border and has color variation

Skin infections

- skin can be infected by a type of bacteria, virus, fungus, or parasite

impetigo

- caused by the bacterium Staphylococcus or Streptococcus

- Appears as Cluster of Vesicles that bursts and crust over, which may cause pain and itching

Cellulitis

- Infection of the skin's dermis or hypodermis

- Frequently caused by Streptococcus or Staphylococcus bacteria.

Cellulitis

- Characterized by Redness and Swelling of an area of the skin that increases in size rapidly

Cellulitis

- Commonly occurs on the face and lower legs

Warts

- growth caused by Human Papilloma Virus (HPV)

Herpes Simplex Virus (HSV)

- small, painful blisters that appear on the skin and on the mucous membranes of the mouth (HSV-1) or genitals (HSV-2)

Herpes Simplex Virus (HSV)

- painful blisters on the sides of the mouth

- Highly Contagious

Herpes Varicella Zoster

- causes chicken pox in children

- causes shingles in adults

- reactivated during adulthood

Tinea infections

Direct contact with an infected person, damp surfaces

Tinea infections

- includes ringworm, athlete's foot (alipunga), and jock itch (hadhad), tinea flava or tinea versicolor (an-an)

Ringworm

- circular rash that clears from the center, giving it a ringlike apperance

Scabies

i. One of the most common parasitic skin infections

Scabies

i. Caused by an infestation of mites

Scabies

i. Causes small red bumps on the skin that itches severely

Psoriasis

i. Characterized by an overgrowth of skin cells and improper keratinization of the epidermis and nails

Psoriasis

i. It is an autoimmune disorder that runs in families (hereditary)

Atopic Dermatitis (Atopic Eczema)

i. It is an allergic reaction that causes an infection

Atopic Dermatitis (Atopic Eczema)

ii. It can cause the skin to have a leathery appearance and be discolored

Hives (Urticaria)

i. It is a skin reaction that can be caused by insect bites or by contact with substances that can cause an allergic reaction, such as certain foods or drugs

Hives (Urticaria)

i. The symptoms include raised areas of the skin, redness, and itching

Scleroderma

i. The excess collagen causes hardening of the skin and organs, with decrease elasticity; this leads to a decrease in function

Scleroderma

i. It can be caused by exposure to certain chemicals or can be associated with autoimmune diseases such as lupus