Video 1: Pneumopericardium as seen on fluoroscopy just prior to pericardiocentesis
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Electronic supplementary material
The online version of this article (doi: 10.1007/s12471-017-0961-8) contains supplementary material, which is available to authorized users.
A 71-year-old female with lung adenocarcinoma underwent surveillance PET/CT, which revealed new central necrotic cavitation of a preexisting left lower lobe mass, with communication between this air-filled cavity and the left mainstem bronchus, as well as pericardial effusion with large pneumopericardium, consistent with malignant bronchopericardial fistula (Fig. 1). Echocardiography and physical examination confirmed tamponade. Bronchoscopic debulking showed a necrotic tumour cavity. During pericardiocentesis, air in the pericardial space was conspicuous fluoroscopically (Video 1). Intra-pericardial pressure was 11 mm Hg, 1500 ml of seropurulent fluid was removed. Fluid cultures were positive for Staphylococcus aureus. Her rest dyspnoea improved and she was discharged to hospice care.
Fig. 1
a, b CT demonstrates abnormal communication between the air-containing
core of the necrotic lung mass with the left mainstem bronchus (arrows), as well
as a large pneumopericardium (wider arrowheads) which is anterior to the
heart. c, d PET CT demonstrates intense hypermetabolic air-containing cavitary large soft tissue mass in the left lower lobe (wider arrowhead), and moderate to intense hypermetabolic activity in the fibrous and parietal pericardium (arrows), which may represent infection and/or malignancy
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Pneumopericardium is known to cause cardiac tamponade [1] in trauma patients or newborn infants requiring positive pressure ventilation. Fistulas such as between the oesophagus, stomach, or lung [2, 3] and pericardium have been reported. The unique images and video presented are illustrative of this interesting disease entity.
Conflict of interest
T. M. Frisoli, T. Jain, T. Swadia, X. Hong and M. Guerrero declare that they have no competing interests.
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