Primary Skin Lesions Flashcards
are associated with specific causes on previously unaltered skin, occur as initial reactions to the internal and external environment
primary lesions
three lesions that are formed by fluid within the skin layers
vesicles
bullae
pustules
five lesions that are palpable, elevated, solid masses
nodules
tumors
papules
wheals
plaques
two lesions that are flat and non-palpable
macules and patches
__________ are elevated and filled with serous fluid
they are circuscribed and up to 0.5 cm in diameter
vesicles
a clear to pale yellow watery fluid that is found in the body especially in the spaces between organs and the membranes which line or enclose them
serous fluid
bloody fluid
sanguineous fluid
a mix of serous and sanguineous fluid
serousanguineous
blisters and varicella lesions are example of __________
vesicles
varicella is also known as __________
chicken pox
they are vesicles larger than 0.5 cm in diameter
they rupture easily because of their thin walls
bullae
large blisters from the 2nd degree burns may be classified as __________
bullae
they are similar to vesicles, but are filled with purulent rather than serous fluid
pustules
acne and impetigo cause __________
pustules
they are elevated, circumscribed, and firm lesions up to 0.5 cm in diameter
papules
warts and drug-related eruptions are classified as __________
they appear in various colors, including brown, red, pink, tan, and bluish red
papules
they are elevated like papules but measure more than 0.5 cm in diameter
plaques
firm and rough, __________ are often formed by coalesced papules, as in psoriasis
plaques
they measure less than 0.5 cm in diameter, are similar to papules, but they tend to be deeper in the dermis and feel firmer on palpation
nodules
classic types of __________ are fibromas and intradermal nevi
nodules
they are larger than nodules, usually covering more than 0.5 cm on the surface and extending deeper into the dermis than nodules
tumors
they may or may not be clearly demarcated, firm or soft, and benign or malignant
tumors
they vary in size and shape
these areas of edema are elevated, irregular, and relatively transient
wheals
a mosquito bite causes a ___________
wheal
these are multiple wheals that usually cause severe itching from some form of hypersensitivity reaction
urticaria (hives)
they are flat, nonpalpable lesions less than 0.5 cm in diameter
they are circumscribed and may be brown, red purple, white, or tan
macules
__________ can be present in conditions such as rubella and rubeola or as flat moles or freckles (ephelides)
macules
they differ from macules in that they are irregular in shape and measure more than 0.5 cm in diameter
patches
vitiligo and port-whine marks are classic examples of __________
patches
