Table 1

Pleural fluid analysis

Day 1 (at admission)Day 16 (immediately post-thoracoscopy)
ColourStraw-colouredBlack
AppearanceTurbidBlack
pH7.467.29
Glucose mmol·L−14.5
Protein g·L−140.2
Serum protein g·L−171
Albumin g·L−120.6
LDH U·L−1358980
Serum LDH U·L−1271
WBC cells·µL−13281125
Neutrophils %387
Lymphocytes %937
Monocytes %46
RBC cells·µL−161315 375
Gram stainNegativeGram-negative bacilli
CultureNegativePseudomonas aeruginosa and Klebsiella pneumoniae
Fungal cultureNegativeNegative
TB PCR, smear, and cultureNegativeNot done
CytologyAbnormal large cohesive cells with nuclear polymorphism and vacuolated cytoplasm suspicious of malignant infiltrationMalignant cells present
Special characteristicsAbundant mesothelial cells presentProminent RBCs#
Effusion characterisationLymphocytic, exudative, malignant effusionEmpyema in a malignant effusion

LDH: lactate dehydrogenase; WBC: white blood cell; RBC: red blood cell; #: RBC content declined successively over the following days.