الفهرس 
Human Papilloma VirusOnly 14 pages are availabe for public view
 |  | from | 135 |  |  |
| | | from | 135 | | |
Abstract
Background: Sinonasal inverted papilloma (SNIP) is a benign and relatively rare tumor of the nasal cavity and paranasal sinuses, most commonly originates from the lateral nasal wall or maxillary sinus from the schneiderian sinonasal epithelium. There is a male predominance with a male-to-female ratio of 3.4:1. Sinonasal Squamous Cell Carcinoma (SCC) associated with IP has an incidence of approx. 0.38cases/million persons/year. Patients with carcinoma in IP are older than those IP patients without carcinoma. Some authors assume an influence of Human Papilloma Virus (HPV) subtyping. Transcripts of HPV DNA were found in malignant IP.
Objective: To perform a meta-analytical study to determine the relationship between human papilloma virus and the occurrence of sinonasal inverted papilloma.
Patients and Methods: The review will be restricted to RCTs, clinical trials, and comparative studies, either prospective or retrospective, which studied the outcome of Negative HPV group versus Positive HPV group of patients.
Data Sources: Medline databases (PubMed, Medscape, ScienceDirect. EMF-Portal) and all materials available in the Internet till 2021.
Data Extraction: If the studies did not fulfill the inclusion criteria, they were excluded. Study quality assessment included whether ethical approval was gained, eligibility criteria specified, appropriate controls, and adequate information and defined assessment measures.
Results: In our study HPV positive cases were (23.6%) (107/ 452) among SNIP patients. Malignant SNIP rate was (10.8%) (49/ 452). HPV positive cases among malignant SNIP patients was (51.02%) (25/49).
Conclusion: In this meta-analytical study HPV positive cases were (23.6%) (107/ 452) among SNIP patients. Malignant SNIP rate was (10.8%) (49/ 452). Though the etiology of SNIP remains controversial, the studies reviewed in this study indicate a role for HPV infection. Further studies in the future regarding the impact of other risk factors on the occurrence of SNIP would be of value, these factors include angiogenic factors, environmental factors, genetic, viral and chronic sinonasal inflammation.