Derm Wrong Flashcards
Function of apocrine glands
secrete oily scented fluid found in axillae and perineum
Function of eccrine glands
secrete sweat for temperature regulation, found everywhere
Label it (left to right)
How would this lesion be described
Lichenification (feature is leathery skin)
What term can be used to describe the heel of this patient?
Maceration
(What happens to the skin after a prolonged exposure to moisture)
What term would describe what has happened to the skin of this patient?
Erosion (the loss of epidermis)
How would you describe this lesion? (1word)
Nodule (a rounded, irregular mass)
How would you describe this lesion (1word)
Papule (small inflammatory spot, no pus)
How would you describe this lesion?
Macule (skin discolouration)
What would you describe these lesions as ? (1word)
Vesicles (small +fluid filled)
Where are hemi-desmosomes found
Dermo-epidermal junction
(They stick basal layer to basement membrane)
What enzyme deficency causes poryphtria cutanea tarda
what poryphorin is accumulated
Features of presentation?
Uroporphyinogen decarboxylase
uroporphyrinigen 3
middle aged men
blistering in sun> scarring
Excessive hair growth (hypertrichosis)
What enzyme deficency causes erythopoietic protoporphyria
what poryphoria is built up
Features of the presentation
Ferrochtelqse defiency
protoporphyrin IX
Young child, discomfort after sun, no rash
What enzyme deficiency causes acute intermittient porphoryia
what poryphoria is built up
Features of presentation
Porphobilinogen deaminase
porphbilinogen (aka hydroxy)
woman, Acute neurotoxic reaction in tissues, mood disturbance
List the diff types of hypersensitivity and give a brief description of each
Type I- instant, IgE mediated, allergic
T II- IgG, IgM, blood serum sickness (cytotoxic)
T III- IgG, IgM, immune complex
TIV- T cell mediated, delayed, contact dermatitis
ABPI ranges and what it means
0.8-1.3 normal
<0.8 = arterial disease
>1.3= arterial calcification eg. RA