HD review

2 definitions for the term "disease"
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Terms in this set (12)
2 definitions for the term "disease"
a state, condition, or process occurring in a living body


a reconizable pattern of symptoms or abnormalties
syndrome
a combination of symptoms that consistently occur together
Atopic Dermatitis
chronic pruritus condition of the skin
cause unknown
recurrent itching
patches of redness
scratch test & RAST for many allergies
chronic with remission
avoid allergens, irritants, strong soaps, excessive wetting/bathing of skin
Contact Dermatitis
contact with an irritant or allergen
chemicals, cosmetics, toiletries, and household products
itching, burning, stinging
redness, swelling, vesicles or bullae, weeping, crusting
avoidance of cause, corticosteroid
Folliculitis
bacterial infection of hair follicles
staphylococci (bacteria) / hot tubs
face in men, legs in women, itching, burning
pustules in hair follicles
may become chronic
topical mupirocin, stop shaving until cured
Tinea Corporis
superficial fungal infection of he skin, ringworm
fungi transmitted from infected people or animals
round or oval patches of red, scaly
lesions pink, red, or tan, slightly raised
scrapings of scales with hot potassium hydroxide will show fungal
chronic/ widespread
topical antifungals are effective + corticosteroids
Herpes Simplex
Viral infection of skin or mucous membranes
herpesvirus type 1 (facial, oral, labial) or type 2 (genital)
person to person contact
clusters of small, painful, vesicles
Tzanck smear positive for viral material culture yields exact type of virus
run course in about a week, no cure
analgesics and topical anesthetics
antiviral drug topically or systemically to reduce duration
Warts (Verrucae)
viral, papules of the skin/mucous membranes
HPV transmitted by direct contact
papules, itching
vary flat, raised to pointed
chronic
surgical excision, electrocautery, laser ablation, cryotherapy
Rosacea (Acne Rosacea)
reddish facial eruption in middle aged and elderly
unknown
burning and flushing of face, patchy or diffuse rosy tint
papules occasionally pustules
cheeks, nose, chin show inflammatory blush, pustules papule, oily
highly chronic
topical metronidazole
Psoriasis
chronic, scaly plaques
increased proliferation of epidermal cells, autoimmune disorder, genetically predisposed
plaques of scaly thickening of the skin; scalp, knees, elbows
reddish-purple thickened plaques covered silvery firmly adherent scales
skin biopsy (not really needed)
topical steroids, calcipotriene; tar ointments, UVB (ultraviolet B)
PuVA (psoralen + ultraviolet A) methotrexate
Squamous Cell Carcinomahard red malignant nodule sun exposure middle-aged or elderly person hard red nodule possibly developed from a pre-existing actinic keratosis; ulceration metastasis is rare excisionMalignant Melanomapigmented malignancy with rapid metastasis; potentially fatal sun exposure pigmented nevi (moles) with irregularity of shape, uneven color, blue pink, or black color; bleeding or ulceration, and rapid enlargement rapid metastasis; can be fatal excision; for metastasis, radiation and chemotherapy