IN THE NAME OWNER OF
BEAUTY
Morphology
&
Terminology
Of
Skin Lesions
Morphology
&
Terminology
of
Skin Lesions
Kind of lesions in dermatology
1- Primary Skin Lesions
2-Secondary Skin Lesions
3- Special Skin lesions
PRIMARY LESIONS
macule



Flat, circumscribed skin
discoloration that lacks
surface elevation or
depression
Vitiligo
Ink tattoo
Patch


Flat, circumscribed
skin discoloration, a
very large macule
Vitiligo
Papule



Elevated, solid lesion
<0.5 cm in diameter
B.C.C
Intradermal Nevi
Plaque



Elevated,
solid”confluence of
papule”>0.5 cm in
diameter that lacks a
deep component
Psoriasis
M.F
Nodule



Elevated, solid
lesion>0.5 cm in
diameter, a largerdeeper papule
Lipoma
Rheumatoid nudule
Vesicle




Plaque that contains
clear fluid ,a blister
Herpes simplex
Herpes zoster
Contact dermatitis
Bulla




Localized fluid
collection>0.5 cm in
diameter, a large
vesicle
Pemphigus vulgaris
Bullous pemphigoid
Bullous impetigo
Pustule





Papule that contains
purulent material
Folliculitis
Impetigo
Acne
Pustular psoriasis
Wheal (Hive)



Firm,edematous,plaque
that is evanescent and
pruritic, a hive
Urticaria
Urticaria pigmentosa
SECONDARY
LESIONS
Crust




A collection of cellular
debris ,dried serum,and
blood
A scab antecedent
primary lesion is usually a
vesicle,bulla or pustule
Impetigo
Capitis Tinea
Erosion



A partial focal loss of
epidermis, heals
without scarring
TEN
Perleche
Scale



Thick stratum corneum
that results from
hyperproliferation or
increased cohesion of
keratinocytes
4S
Scarlet fever
Ulcer



A full-thickness, focal
loss of dermis,heals
with scarring
Bed sore
Syphlis
Fissure



Vertical loss of
epidermis and dermis
with sharply defined
walls, crack in skin
Perleche
Eczema
Scar



A collection of new
connective tissue, may be
hypertrophic or atroohic
scar implies
dermoepidermal damage
Burn
Acne
Atrophy


Thinning of the
epidermis, dermis or
fat that cause
depression in the skin
surface
Morphea
SPECIAL
SKIN
LESIONS
Excoriation




Linear erosion
included by scratching
Scabies
Atopic Dermatitis
Prurigo
Comedo



Folliculocentric
collection of sebum
and keratin
Acnea
DLE
Milia




Millia are tiny pimple-like
spots usually on a
Newborn baby
Tiny white cyston the
surface of the skin
Sun Damage
Cyst



Nodule that contains
fluid semisolidmaterial
Acne
Pilar cyst
Burrow


An elevated channel
in the superficial
epidermis produced
by parasite such as
mite sarcoptes scabiei
Scabies
Lichenification


Focal area of
thickened skin
produced by chronic
scratching or rubbing
Atophic Dermatitis
Telangiectasia




Small, dilated
,superficial blood
vessels that disappear
with pressure
CREST Syndrome
Scleroderma
Rosacea
Petechiae



A small purplish spot
on a body surface
caused by a minute
hemorrhage<0.5 cm
Vasculitis
DIC
Purpura




A small purplish spot
on a body surface
caused by a minute
hemorrhage>0.5 cm
Platelet Disorder