Neoplasm Question and Answers

Neoplasm

Question 1. How to define neoplasia and how do you classify them? Differentiate benign and malignant tumors of the head and neck.
Or
Define and classify neoplasia. Write down the differences between benign and malignant tumors.
Answer:  

The term neoplasia means new growth, the new growth produced is called a neoplasm or tumor.

Neoplasm is a mass of tissue formed as a result of the abnormal, excessive, uncoordinated, autonomous, purposeless proliferation of cells even after cessation of stimulus for growth which caused it.

Classification of Tumors

• Benign tumors: They are generally spherical to ovoid in shape. They are encapsulated or well-circumscribed, freely movable, more often fim and uniform, unless secondary
  changes like hemorrhage or infarction, supervene.
• Malignant tumors: They are usually irregular in shape, poorly circumscribed, and extend into the adjacent tissues. Secondary changes like hemorrhage, infarction, and
  ulceration are seen. Malignant tumors are also known as cancer.
• Malignant tumors of epithelial origin are called carcinomas while malignant mesenchymal tumors are called sarcomas.

Read And Learn More: Pathology Question And Answers

Currently, the classification of tumors is based on histogenesis and anticipated behavior.

Question 2. Write the differences between benign and malignant neoplasm.
Or
Write the differences between benign and malignant neoplasm.
Or
Write the difference between benign and malignant tumors.
Or
Define neoplasia. Give its classification and differences between benign and malignant tumors. 
Answer: