system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Pseudochylous pleural effusion is seen in
assistant
The correct answer is  In chronic effusion like tubercular/rheumatoid ahritis fluid rich in cholesterol mimicking chyle accumulates. Chyliform (pseudochylous) pleural effusion. Author information: A chyliform (pseudochylous) effusion is an uncommon disease entity which develops after an exudative effusion is in situ for a long time. It is commonly initiated by a tuberculous pleurisy and it is impoant to exclude the presence of active tuberculosis Ref Davidson edition23rd pg 626