A change in a wart or mole on the skin is observed in

Options

A. Adenoma
B. Carcinoma
C. Lymphoma
D. Melanoma

Answer

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks about the implications of a change in a wart or mole on the skin. We need to identify the condition associated with such changes.

2. **Identifying Types of Tumors**: Tumors can be classified into three main categories:
- Carcinomas: Tumors derived from epithelial cells.
- Sarcomas: Tumors derived from connective tissues.
- Adenomas: Tumors derived from glandular tissues.

3. **Focusing on Skin Changes**: Since the question specifically mentions changes in a wart or mole, we should focus on skin-related tumors. Carcinomas are relevant here, particularly skin cancers.

4. **Understanding Melanocytes**: Warts and moles are associated with melanocytes, which are the cells responsible for producing melanin in the skin.

5. **Identifying Melanoma**: A specific type of skin cancer that arises from melanocytes is called melanoma. Changes in a mole or wart can indicate the development of melanoma.

6. **Conclusion**: Therefore, a change in a wart or mole on the skin is observed in melanoma, which is a type of carcinoma.

7. **Final Answer**: The correct answer to the question is option number 4, which refers to melanoma.