How common is metastatic melanoma? mole removed for biopsy & scared.dr.said dont lose sleep over it but it was 7mm and irregular.had 1 hair. been yrs

Common: Misdiagnosed and late diagnosed cases of melanoma frequently associated with metastasis. When first seen if lesion is thick, greater than 1.5 mm, has ulceration or a nodular component or ulcerated with bleeding, regional metastasis has probably occurred. After wide resection the high risk cases have sentinel nodes bx . When node + high chance for metastatic disease Hair uncommon in melanoma