| A | B |
|---|
| Bowen's disease | Intraepidermal squamous cell carcinoma |
| Dermatofibrosarcoma | A malignant tumor of the fibrous tissue of the dermis |
| Kaposi's sarcoma | A multifocal malignant tumor characterized by bluish red or brown plaques or nodules |
| Mycosis fungoides | A malignant lymphoma of the skin |
| Melanoma | A malignant tumor of the melanin-producing cells |
| Nevus | A benign tumor composed of melanocytes |
| Adenomas | Tumors that arise in the glandular epithelium of the sebaceous, sweat or ceruminous glands |
| Dermis | Constitutes the greater part of the total skin thickness and contributes strength and elasticity to the skin |
