Electron transfer is usually difficult to see in the organic. reactant(s) and product(s) in an organic redox reaction. For example the conversion of a 2Â°. alcohol to a ketone (Figure 17.003) is oxidation, but it is not obvious that electron transfer has. occurred by looking at the alcohol and ketone structures. Figure 17.003. This electron transfer is generally visible, however, in the inorganic reagents and products of.
Other lesions, such as basal cell carcinoma, squamous cell carcinoma, melanoma, and Kaposiâs sarcoma are malignant, and early diagnosis and treatment can prevent metastasis, which. can be life threatening. Benign and pre-cancerous lesions.
The vast majority of skin cancers are basal cell carcinomas and squamous cells carcinomas. While malignant, these are unlikely to spread to other parts of the body. They may be locally disfiguring if not treated early. A small but significant number of skin cancers are malignant melanomas.