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21 Cards in this Set
- Front
- Back
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Nonabsorbable suture with highest tissue reactivity?
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Silk
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Absorbable sutures with highest initial tensile strength
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*1. Monocryl (Poliglecaprone)
2 PDS (Polydioxane) 3 Vicryl (Polyglactin) |
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Absorbable suture with highest tissue reactivity?
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Gut (monofilament twisted)
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Non-abs suture with highest memory?
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*1. Prolene-poor knot strength
2. Nylon-Poor knot strength -high tensile strength |
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WHICH ONE CONTAINS MYOFIBROBLASTS, HYPERTROPHIC SCAR OR KELOID?
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HYPERTROPHIC SCAR
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Increased expression of what in keloids?
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gli-1
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How strong is a tissue one week after sutures placed?
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5%
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How strong 3 weeks after sutures placed?
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20%
-70-80% after one year |
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Dermabond polymerizes in how many minutes? Provides wound strength equal to what?
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2.5 minutes
wound strength equal to 5-0 nylon |
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Associated with ototoxicity and keratitis from direct contact,ususally in patients under general anesthesia?
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Chlorhexidine
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Can be added to reduce pain and burning associated with lower pH of lidocaine?
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Sodium bicarbonate 8.3% added in 1:10 ratio
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Allergic reactions to eter anesthetics occur due to what metabolite?
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PABA (p-aminobenzoic acid)
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Max dose of 1% lidocaine with epi?
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7mg/kg. approx 49 ml in 70 kg person
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Tensile strength of braided suture at 3 months?
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50%
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Boiling point for LN2?
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-195.6 Degrees Celsius
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BCC can be treated with cryotherapy at what temperature with a thermocouple present?
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-50 degrees celsius
approx thaw time of 60 seconds |
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Safe for use in patient's with pacemaker?
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-Electrocautery (heat only, no current passes through patient)
-Bipolar device (current transmitted between two tips) |
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Name the indications for Moh's surgery?
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-Recurrent nmsc
-Aggressive histo subtype (infiltrative, morepheaform, micronodular, perivascular, perineural) -Tumors with poorly defined clinical margins -High risk location > 0.4 cm -Large Tumors (>1 cm on face, >2 cm on trunk or extremities) -Cosmetically and functionally important areas -Tumors in immunosuppressed patients -Tumor in previously irradiated site or in a scar -Genetic conditions with increased ris of neoplasms |
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5-year Recurrence rate for primary and recurrent BCC's treated by Moh's?
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99% primary
95% recurrent |
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5- year recurrence rates for SCC on skin and lip treated with moh's? Ear?
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3.1%
5.3% ear versus 18% for other modalities |
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What are the types of advancement flaps?
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Single advancement (U)
Dougle (H) A to T Burrows Perialar cresentric flap V to Y ("Island Pedicle) |
