What is the percentage of clinically enlarged nodes that are negative?
24 to 40%
What is the percentage of occult positive nodes that are normal at palpation?
36% per Iversen
Who do you offer inguinalfemoral lymphadenectomy to?
Everybody except those with tumors less than 1 mm invasion, and less than 2 cm in size with negative LVSI. (Less than 1% risk of nodal metastasis). Melanoma < 0.75mm
if there is a unilateral tumor, can you omit a contralateral groin dissection
Yes, 2.6% have metastasis of the contralateral groin.