Mesothelioma Navy Asbestos-Related Diseases & Health Effects 3

Question 1

What is the synergistic relationship between cigarette smoking and asbestos exposure?

Accepted Answer

Smoking and asbestos together dramatically increase lung cancer risk beyond what either causes alone

Answer

Cigarette smoking combined with asbestos exposure creates a multiplicative (synergistic) increase in lung cancer risk, far exceeding the additive risks of either factor alone — up to 90 times baseline.

Question 2

Pericardial mesothelioma affects which structure?

Accepted Answer

The pericardium, the sac surrounding the heart

Answer

Pericardial mesothelioma is a rare form that develops in the pericardium, the protective sac surrounding the heart, and accounts for only about 1% of all mesothelioma cases.

Question 3

What is rounded atelectasis (Blesovsky syndrome) in the context of asbestos exposure?

Accepted Answer

A benign lung lesion appearing as a rounded mass associated with pleural disease

Answer

Rounded atelectasis (Blesovsky syndrome) is a benign condition where the lung folds inward adjacent to pleural fibrosis, creating a rounded mass on imaging that can be mistaken for a malignant tumor.

Question 4

Which histological (cell) type of pleural mesothelioma is the most common?

Accepted Answer

Epithelioid

Answer

Epithelioid mesothelioma is the most common histological type, accounting for about 60–70% of cases, and generally carries a better prognosis than the sarcomatoid or biphasic subtypes.

Question 5

Which biomarker is most commonly used to help diagnose malignant mesothelioma?

Accepted Answer

Soluble mesothelin-related peptides (SMRP/mesothelin)

Answer

Soluble mesothelin-related peptides (SMRP) are elevated in the blood of many mesothelioma patients and serve as the most widely used serum biomarker to aid in diagnosis and disease monitoring.

Mesothelioma Navy Practice Test

Mesothelioma Navy Practice Test

Mesothelioma Navy Asbestos-Related Diseases & Health Effects 3