Association between vestibular schwannomas and mobile phone use

Tumour Biol. 2014 Jan; 35(1): 581–587. 

Published online 2013 Aug 27. doi:  10.1007/s13277-013-1081-8

PMCID: PMC3907669

Association between vestibular schwannomas and mobile phone use

In Seok Moon, Bo Gyung Kim, Jinna Kim, Jong Dae Lee, and  Won-Sang Lee

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Abstract

Vestibular schwannomas (VSs) grow in the region where the energy from mobile phone use is absorbed. We examined the associations of VSs with mobile phone use. This study included 119 patients who had undergone surgical tumor removal. We used two approaches in this investigation. First, a case–control study for the association of mobile phone use and incidence of VSs was conducted. Both cases and controls were investigated with questions based on INTERPHONE guidelines. Amount of mobile phone use according to duration, daily amount, and cumulative hours were compared between two groups. We also conducted a case–case study. The location and volume of the tumors were investigated by MRI. Associations between the estimated amount of mobile phone use and tumor volume and between the laterality of phone use and tumor location were analyzed. In a case–control study, the odds ratio (OR) of tumor incidence according to mobile phone use was 0.956. In the case–case study, tumor volume and estimated cumulative hours showed a strong correlation (r2 = 0.144, p = 0.002), and regular mobile phone users showed tumors of a markedly larger volume than those of non-regular users (p < 0.001). When the analysis was limited to regular users who had serviceable hearing, laterality showed a strong correlation with tumor side (OR = 4.5). We found that tumors may coincide with the more frequently used ear of mobile phones and tumor volume that showed strong correlation with amount of mobile phone use, thus there is a possibility that mobile phone use may affect tumor growth.

Electronic supplementary material

The online version of this article (doi:10.1007/s13277-013-1081-8) contains supplementary material, which is available to authorized users.

Keywords: Vestibular schwannoma, Mobile phone, Electromagnetic fields

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3907669/