Mesothelioma Therapy Types and Staging of Mesothelioma

Question 1

Which type of mesothelioma is most commonly diagnosed in the United States?

Accepted Answer

Pleural mesothelioma

Answer

Pleural mesothelioma, affecting the lining of the lungs, accounts for approximately 75% of all mesothelioma cases in the US.

Question 2

What is the primary known cause of mesothelioma?

Accepted Answer

Asbestos exposure

Answer

Asbestos exposure is the primary known cause of mesothelioma, responsible for the vast majority of cases.

Question 3

Which staging system is most commonly used for pleural mesothelioma in the US?

Accepted Answer

All of the above

Answer

All three staging systems—TNM, Brigham, and Butchart—are used for pleural mesothelioma, though the TNM system is most widely adopted.

Question 4

In the TNM staging system, what does Stage I mesothelioma indicate?

Accepted Answer

Cancer is localized to the pleura on one side

Answer

Stage I mesothelioma indicates the cancer is localized to the pleura on one side of the chest without lymph node involvement.

Question 5

Which cell type of mesothelioma generally has the best prognosis?

Accepted Answer

Epithelioid

Answer

Epithelioid mesothelioma has the best prognosis because these cells respond better to treatment than sarcomatoid cells.

Mesothelioma Therapy Practice Test