Table 5.

CGS negative, but PCR positive samples (n = 10).

Sample type (no. of samples)	Significant clinical/laboratory findings
Pleural fluid (2)	Pleural effusion
CSF (1)	SLE patient on steroids
Tissue – peritoneum (1)	Peritoneal adhesions
Tissue – pleural (1)	Empyema
Tissue – rectal (1)	Rectal fistula, histopathologically: nonspecific acute colitis
Tissue – nasal (1)	Histopathologically: Inflammatory nasal polyp
Aspirate (1)	Nonspecific arthritis
Pus (2)	1) Pyoneprosis, isolated E. coli on routine bacterial culture 2) On cytopathology of submandibular lymph node revealed sialadenitis with reactive lymphadenopathy.

PCR, polymerase chain reaction; CGS, composite gold standard.