Bologna CH146 Biopsy Flashcards
Methods of haemostasis
Compression
Styptics : aluminium chloride hexahydrate or ferric subsulfate (though this can result in tattoo)
Absorbable haemostasis sponge (Gelfoam, Instat, Oxycel)
Electrocoagulation and heat cautery
Sutures
Indications for second intention - in combination with primary closure in which the deepest portion is closed primarily
True
Infected, necrotic or easily infected sites are not an indication for secondary intention
False, they are
Sites under significant tension because of physical exercise or size of the wound , are an indication for second intention
True
If Preferred by patient — simple no suture , normal activities , second intention is indicated
True
List disadvantages of second intention healing
Sometimes prolonged healing time
Scarring any be depressed and angulated, or circular
Horizontal mattress stitch is inappropriate on thinner skin such as the neck or dorsum of the hand
False — can be used in thinner skin
There are no cutaneous or mucosal sites where a biopsy is contraindicated
True
Horizontal mattress stitch has two points of entry in the skin
False four points
Running stitches will reliably rectify minor misalignments of wound edges
False - can accentuate this
Excision of lentigo maligna may require >5mm margins
True
To minimise standing cone formation, each side of fusiform shape is 2-3 x as long as it is wide
False 3-4 times
Excessive cutaneous tissue in base of wound at spices (compared to centre of wound) contribute to dog ear formation
True
Many standing cones are small and can be repaired via a closure employing the rule of halves
True
A discus excision can be performed as definitive treatment not as a biopsy
False, both