Lung scan and wide mediastinum.

Area of Science:

• Cardiology
• Radiology
• Thoracic Surgery

Background:

• Aortic dissection is a life-threatening condition involving a tear in the aorta's inner layer.
• Hemopericardium, blood in the pericardial sac, can result from ascending aortic dissection.
• Mediastinal widening on imaging is a potential sign of aortic pathology.

Purpose of the Study:

• To report a case of ascending aortic dissection with hemopericardium.
• To highlight the utility of lung scintigraphy in identifying mediastinal abnormalities.
• To correlate imaging findings with a specific cardiovascular emergency.

Main Methods:

• Case report presentation.
• Review of patient's medical imaging, specifically a posterior lung scan.
• Clinical correlation of imaging findings with diagnosis.

Main Results:

• The posterior lung scan revealed a widened mediastinum.
• The patient was diagnosed with dissecting aneurysm of the ascending aorta and hemopericardium.
• The imaging finding was consistent with the underlying pathology.

Conclusions:

• A widened mediastinum on posterior lung scan can indicate serious aortic pathology like dissecting aneurysm.
• Lung scintigraphy may serve as an ancillary tool in the initial assessment of patients with suspected aortic emergencies.
• Early recognition of mediastinal widening is crucial for timely diagnosis and management of aortic dissection.