Sarcoidosis

Case contributed by Stefan Tigges
Diagnosis certain

Presentation

Known history of sarcoidosis.

Patient Data

Age: 50 years
Gender: Female
x-ray
Frontal
Frontal
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Info

Upper lobe predominant pulmonary scarring, but no oedema or pneumonia. Biventricular pacemaker appropriately positioned.

ct
This study is a stack
Axial lung
window
This study is a stack
Axial
non-contrast
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Info

Bilateral upper lobe pulmonary fibrosis and perilymphatic pulmonary nodules. No definite lymphadenopathy. Biventricular pacemaker.

Case Discussion

Although the lungs are the most commonly affected organ in sarcoidosis, about 25% of cases will have cardiac involvement, but most cardiac sarcoid is asymptomatic. Although not visible on a chest x-ray, non-caseating granulomas can involve the cardiac conduction system, which may result in fatal arrhythmias. In this case, the patient did have involvement of the cardiac conduction system, necessitating pacemaker placement.

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