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Sentinel Lymph Node Biopsy for Thin Melanoma - Winship Cancer ...

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SLNB <strong>for</strong> thin melanoma<br />

Question 1<br />

• A 56 year old man presents to you <strong>for</strong> treatment<br />

of a changing mole on his back. Shave biopsy<br />

revealed a melanoma measuring 0.6 mm, Clark<br />

IV, non-ulcerated, with a mitotic rate of 2/mm 2 ,<br />

and a positive margin (in situ melanoma seen at<br />

the periphery). The probability of a positive<br />

SLN is:<br />

a) 1%<br />

b) 3%<br />

c) 5%<br />

d) 7%<br />

e) 10%

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