Mesothelioma Diagnosis Diagnostic Imaging

Question 1

Which imaging modality is typically the first used when mesothelioma is suspected based on symptoms?

Accepted Answer

Chest X-ray

Answer

PET scan

Answer

MRI

Answer

Ultrasound

Question 2

What finding on chest X-ray is most commonly associated with pleural mesothelioma?

Accepted Answer

Pleural effusion

Answer

Pulmonary nodules

Answer

Pneumothorax

Answer

Mediastinal widening

Question 3

CT scan of the chest in pleural mesothelioma most characteristically shows which finding?

Accepted Answer

Circumferential pleural thickening

Answer

Central lung mass

Answer

Bilateral hilar adenopathy

Answer

Ground-glass opacities

Question 4

Which imaging study is most useful for assessing the extent of chest wall invasion in mesothelioma?

Accepted Answer

MRI

Answer

Chest X-ray

Answer

PET scan

Answer

Ultrasound

Question 5

PET scan (FDG-PET) is used in mesothelioma primarily for which purpose?

Accepted Answer

Detecting distant metastases and nodal involvement

Answer

Measuring pleural fluid volume

Answer

Guiding needle biopsy

Answer

Assessing lung function

Question 6

Which CT finding helps differentiate malignant pleural mesothelioma from a benign pleural effusion?

Accepted Answer

Pleural nodularity and thickening >1 cm

Answer

Simple fluid density without loculation

Answer

Absence of contrast enhancement

Answer

Bilateral symmetric pleural involvement