A 47-year-old woman with long-standing myelofibrosis and thrombocytosis whose spleen was removed 9 days prior to death, died of a heart tamponade. Subsequent autopsy revealed the development of chylothorax and chylopericardium due to the existence of a thrombus obstructing the ostium of the left thoracic duct, as a consequence of the particular location of a central venous catheter in the left subclavian vein in the proximity of the confluence of the left thoracic duct in the afore-mentioned vein.
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