Your patient has just had an MRI ordered because a routine chest x-ray showed suspicious areas in the right lung. The physician suspects bronchogenic carcinoma. You would know that an MRI would assess for what in this patient?
A) Patency of the bronchial tree
B) To evaluate inflammatory activity
C) Ability to expand the lung
D) Chest wall invasion
Ans: D
Feedback: MRI is used to characterize pulmonary nodules; to help stage bronchogenic carcinoma (assessment of chest wall invasion); and to evaluate inflammatory activity in interstitial lung disease, acute pulmonary embolism, and chronic thrombolytic pulmonary hypertension. In this patient, the MRI is not being done to assess the patency of the bronchial tree or to evaluate inflammatory activity in the lung. An MRI would not assess the ability to expand the lung.
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