Nonneoplastic Epithelial Disorder of Skin and Mucosa |
Lichen Sclerosis |
Squamous Hyperplasia |
Other Dermatoses |
Intraepithelial Neoplasia |
Squamous Intraepithelial Neoplasia |
Mild Dysplasia |
Moderate Dysplasia |
Severe Dysplasia or Carcinoma in Situ |
Nonsquamous Intraepithelial Dysplasia |
Paget's Disease |
Tumors of Melanocytes, Noninvasive |
Invasive Tumors |
Explanation
This classification distinctly separates intraepithelial neoplasia from nonneoplastic conditions, facilitating the selection of clinical treatment methods and comparison of therapeutic effects.