skin surgery Flashcards
what are indication for skin biopsy?
skin rashes - assist in diagnosis
skin tumours - assist in diagnosis, remove malignancy, remove unwanted growth
what is dermoscopy?
diagnostic aid for skin lesions
recognises morphologic structures not seen by eye
which skin conditions can be due to adverse reaction to amoxicillin?
morbilliform (measles like) eruption
urticaria
angioedema
fixed drug eruption
generalised pustulosis
what are the 5 layers of the scalp?
Skin
Connective tissue
Aponeurosis
Loose connective tissue
Periosteum
S - outer
P - inner (closest to parietal bone)
which nerve provides sensory nerve supply to the face?
CV - trigeminal nerve
CNV1 - ophthalmic
CNV2 - maxillary
CNV3 - mandibular
what muscles does the motor function of CN V - trigeminal nerve supply?
muscles of mastication
how can you test function of a patients CN V nerve in clinic?
get patient to close their eyes, touch face with a cotton ball and get them to tell you when they feel it - compare both sides
what might a fracture to lateral aspect of left side of the mandible cause?
damage nerve supply to chin and lower lip making them numb
which cranial nerve is responsible for supplying the muscles of facial expression?
CN VII - facial nerve
what is the sensory function of CN VII - facial nerve?
sense of taste
how to test the CN VII motor function in clinic?
frown
close eyes tightly
smile
puff cheeks (if sphincter intact - no air leak from mouth)
what is the sphincter of the eye?
orbicularis oculi
what is the sphincter of the mouth?
orbicularis oris
where in the body do you avoid using adrenaline as anaesthesia?
fingers and toes
what is electrosurgery used in?
removal of skin tags and minor lesions
