Methods
It is a literature review and case report, written based on the PRISMA-E
2012 reporting guide (Preferred Reporting Items for Systematic Reviews
and Meta-Analyzes)17. The PICO system (Population,
Intervention, Comparison and Outcome) was followed and no specific
protocol was used for its elaboration.
The PubMed, ScienceDirect, BIREME (Lilacs and Medline) and Scielo
databases were used. The keyword ”fungus ball” combined with ”paranasal
sinuses”, ”fungal rhinosinusitis”, ”frontal sinus” was used.
The inclusion criteria were prospective and retrospective studies on
fungal rhinosinusitis and fungal ball in human paranasal sinuses, these
being case reports and review articles, respectively. The exclusion
criteria were articles in vitro, in animal models, or that did not cover
the central theme of the research.The articles were extracted in
duplicate and these were stored in EndNote - Clarivate Analytics.