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Table 1 Characteristics of specimen, the diagnostics method and the results

From: A pathogen-detection’s odyssey in a case of skull base osteomyelitis: Land ahoy!

Date

Specimen

Culture

Mycobacteria culture

Pan-PCR (fungi)

Pan-PCR (bacteria)

T. gondii-PCR

M. pneumoniae-PCR

10.11.2020

Biopsy middle ear

Negative

 

Biopsy mastoid bone

Negative

07.12.2021

Biopsy posterior tympanotomy

Negative

 

Biopsy mastoid bone

Negative

-

 

Biopsy tympanotomy

Negative

 

Biopsy mastoid bone

Negative*

 

Swab mastoid bone

Negative

 

Swab mastoid bone left

Negative

 

Swab mastoid bone apex

Negative

-

26.01.2022

Mastoid bone

Negative*

Negative

Negative

Negative

 

Swab ear left near "electrode"

Negative

Negative

Negative

 

Biopsy medial skull base

Negative*

Negative

Negative

Negative

 

Biopsy bone medial temporomandibular joint

Negative

Negative

Negative

 

Swab middle ear direction tube*

Negative

Negative

Negative

17.06.2022

Biopsy left sigmoid sinus

Negative*

Negative

Negative

Negative

Positive (+/)

 

Biopsy mastoid cavity left

Negative

Negative

Negative

-

Negative

Positive (+)

 

Biopsy middle bone cranial fossa left

Negative

Negative

Negative

Negative

Negative

Negative

 

Biopsy left temporomandibular joint direction

Negative

Negative

Negative

Positive (++)

 

Biopsy middle ear left

Negative

Negative

Negative

Positive (+++)

  1. –: not carried out; *after > 14 days of culturing detection of C. acnes (contamination not excludable); semiquantative crossing-threshold (CT-) values in the brackets