signs & symptoms / treatments Flashcards
1
Q
what are the 4 general causes of pruritus
A
puritoceptive, neuropathic, neurogenic, psychogenic
2
Q
what are some systemic diseases that may cause an itch
A
iron deficiency anaemia malignancy- lymphoma diabetes mellitus chronic kidney disease PBC thyroid disease polycythaemia vera (high RBCs volume)
3
Q
what are some mediators of pruritus?
A
mast cells (degranulate histamine, PGE2, Ach, IL2), unmyelinated c fibres, opiates
4
Q
when would you do a skin biopsy?
A
skin rashes to help with dx, skin tumours
5
Q
when would you use electrosurgery?
A
skin tags
6
Q
what are adv of punch biopsy?
A
good margins
7
Q
what is the gold standard skin procedure to remove skin lesions?
A
elliptical excision
