integumentary system 1

macule

flatness

distinguished by color

papule

elevated solid area (< 5mm)

nodule

a papule > 5mm

plaques

elevated flat topped

> 5mm

vesicle

fluid filled raised area

± 5mm

pustule

pus filled area

bullae

fluid filled area

> 5mm

scale

cornification of skin

plate-like

associated to inflammatory disease

lichenification

thickened and rough

excoriation

traumatic lesion

ezcematous dermatitis

atopic eczema

skin is itchy, dry and cracked

uticaria

allergic rx

IgE

wheals

psoriasis

2% pop

Auspitz’s sign

pinpoint bleeding in areas where the plaque of a scaling rash has been removed (bleeding where you scratch)

lichen planus

self limiting 1-2 years after onset

band like lymphocyte infiltrate in dermo-epidermal junction

pemphigious

loss of integrity of normal intracellular attachments within the epidermis and mucosal epithelium

triggered by chemicals or drugs, OB, Stress, vaccines, viral infections

life threatening if not treated

40-60ys

causes symblepharon (abnormal lid and eye ball adhesion)

symblepharon

abnormal adhesion bn eyeball and lids

caused by pempigous

dermatitis herpetiformis

urticaria and vesicles

associated with Celiac disease

epidermolysis bullosa

blisters develop at site of pressure, rubbing or trauma

porphyria

uncommon inborn error of porphyrin synthesis

acne vulgaris

middle to late teenagers

triggered by FSH, LH, corticosteroids, heavy clothing, tropical climate

comedone : central black keratin plug

verrucae (wart)

common lesion in children and teens

associated with HPV

direct contact with dev of squamous cell carcinoma of uterine cervix

different appearances:

-vulgaris

-flat

-palmaris

-condyloma acuminatum (venereal)