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. 2021 Feb 15;40(8):3357–3362. doi: 10.1007/s10067-020-05550-1

Table 2.

Synovial fluid analysis

Aspect Yellow turbid
Differential count of WBC WBC 20.000/mmc, PMN 90%, M 10%
Polarized light microscopy No crystals
SARS-Cov2 RT-PCR Negative
Culture Negative

WBC white blood cell, PMN polymorphonucleate, M monocyte, RT-PCR real-time polymerase chain reaction