What are the Histological Characteristics of Malignant Neoplasms?
Malignant neoplasms exhibit several key histological features that distinguish them from benign neoplasms:
- Anaplasia: Loss of cell differentiation and organization. - Pleomorphism: Marked variation in cell size and shape. - High Mitotic Activity: Increased number of cells undergoing division. - Invasion: Ability to invade surrounding tissues. - Metastasis: Potential to spread to distant organs.
Examples of malignant neoplasms include:
- Carcinomas: Originating from epithelial cells, such as squamous cell carcinoma and adenocarcinoma. - Sarcomas: Arising from connective tissues, including osteosarcoma and chondrosarcoma. - Lymphomas: Derived from lymphoid tissue.
