integumentary Flashcards
what is the most common symptom associated with dermatologic disorders?
pruritis aka itching
where are the most common anatomical sites for dermatitis
flexor surfaces - elbows, knees
what is cellulitis
rapid spreading acute inflammation with infection of the skin and subcutaneous tissue that spreads through tissue spaces
what causes cellulitis
streptococcus pyogenes
staphylococcus
what is the primary treatment of cellulitis
IV antibiotics
what is a premalignant lesion
moles that are either pigmented or nonpigmented that form from aggregations of melanocytes
notice changes in size color or texture
what is basal cell carnicoma
slow growing surface epithelia skin tumor originating from undifferentiated basal cells contained in the epidermis
often pearly/ivory in appearance with rolled edges that are slightly elevated above skin surface
what causes basal cell carcinoma
sun exposure
what is squamous cell carcinoma
2nd most common
overexposure to UV radiation and has poorly defined margins
what is malignant melanoma
neoplasm of the skin originating from melanocytes or cells that synthesize pigment
what is kaposi sarcoma
malignancy of vascular tissue presenting as a skin disorder
what causes kaposi sarcoma? where does it present / what symptoms?
herpes virus infection
lower extremities - red, purple, dark blue macules that slowly enlarge
itching and pain along lymphatic obstruction
how is kaposi sarcoma treated
chemotherapy
what is raynauds phenomenon
sudden blanching / cyanosis of fingers and toes as blood vessels become narrowed
what is raynaud’s a response to
cold or stress
