06 February 2024
: Case report 
Fusobacterium necrophorum an Underrecognized Cause of Petrous Apicitis Presenting with Gradenigo Syndrome: A Case Report
Rare disease
Zaid Ibrahim
1ABCDEF*, Shivani Fox-Lewis2E, Jason A. Correia13AE
DOI: 10.12659/AJCR.942652
Am J Case Rep 2024; 25:e942652
Table 2. The most common organisms isolated in the 190 case reports identified.
| Organism | Total & percentage of isolates in PA | Total & percentage of isolates in GS |
|---|---|---|
| 27 (14.21%) | 4 (5%) | |
| 10 (5.26%) | 5 (6.25%) | |
| 10 (5.26%) | 2 (2.5%) | |
| Coagulase-negative staphylococci | 9 (4.74%) | 5 (6.25%) |
| Total Fusobacteria | 8 (4.21%) | 8 (10%) |
| 8 (4.21%) | 3 (3.75%) | |
| 7 (3.68%) | 7 (8.75%) | |
| Group A streptococci | 6 (3.16%) | 5 (6.25%) |
| 4 (2.11%) | 4 (5%) | |
| sp. | 4 (2.11%) | 3 (3.75%) |
| Viridans streptococci | 3 (1.58%) | 2 (2.5%) |
| sp. | 3 (1.58%) | 1 (1.25%) |
| 1 (0.52%) | 1 (1.25%) | |
| PA – petrous apicitis; GS – Gradenigo syndrome. | ||