Pedal ^99mTc-sulfur colloid lymphoscintigraphy in primary isolated chylopericardium

Primary isolated chylopericardium is a rare disorder in which chylous fluid accumulates in the pericardial space. In this case report of a 61-year- old man with chylopericardium, pedal ^99mTc-sulfur colloid (SC) lymphoscintigraphy was performed after emergent pericardiocentesis, and when there was a recurrent massive pericardial effusion. The results showed that ^99mTc-SC lymphoscintigraphy can clearly reveal the lymphodynamics in patients with primary isolated chylopericardium. This noninvasive investigation is valuable and can be easily performed either before or after pericardiocentesis.