Table 5:

Distinction between chylous and pseudochylous effusions.

Characteristic	Chylous Effusion	Pseudochylous Effusion
Effusion Following Centrifugation	Turbid	Turbid
Addition of 2ml . ethyl ether	Clear fluid	Turbid Fluid
Triglyceride level
>110 mg/dl	Yes	No
50-110 mg/dl	Presence of chylomicrons	Absence of Chylomicrons
<50 mg/dl	No	Possible
Effusion : Serum triglyceride	>1.0	<1.0
Effusion : Serum Cholesterol	<1.0	>1.0