Mesothelioma Therapy Types and Staging of Mesothelioma 3

Question 1

Which procedure is the gold standard for confirming mesothelioma diagnosis?

Accepted Answer

CT-guided biopsy or thoracoscopic biopsy

Answer

Tissue biopsy—either CT-guided or thoracoscopic—is the gold standard for confirming mesothelioma diagnosis.

Question 2

Biphasic mesothelioma contains which combination of cell types?

Accepted Answer

Epithelioid and sarcomatoid cells

Answer

Biphasic mesothelioma contains both epithelioid and sarcomatoid cell types, with prognosis dependent on the ratio of each.

Question 3

Which genetic mutation is most associated with familial mesothelioma cases?

Accepted Answer

BAP1

Answer

BAP1 gene mutations are the most frequently identified genetic predisposition for familial mesothelioma.

Question 4

What percentage of mesothelioma cases in the US are pleural in origin?

Accepted Answer

75%

Answer

Approximately 75% of mesothelioma cases in the United States originate in the pleura (lining of the lungs).

Question 5

Which symptom is most common at presentation in pleural mesothelioma?

Accepted Answer

Shortness of breath

Answer

Shortness of breath (dyspnea), often due to pleural effusion, is the most common presenting symptom of pleural mesothelioma.

Mesothelioma Therapy Practice Test