Study type: Epidemiological study (observational study)

Cellular telephone use and risk of intratemporal facial nerve tumor epidem.

Published in: Laryngoscope 2003; 113 (4): 663-667

Aim of study (acc. to author)

A case-control study was conducted in the USA to investigate the possible assciation between cellular phone use and the risk of intratemporal facial nerve tumor.

Further details

Regular use of a cellular telephone was defined as at least one call per week.

Endpoint/type of risk estimation

Type of risk estimation: (odds ratio (OR))



Exposure groups

Group Description
Reference group 1 not exposed
Group 2 use of cellular telephone
Group 3 use of cordless telephone


Case group

Control group

Study size

Cases Controls
Participants 18 192
Statistical analysis method:

Results (acc. to author)

Regular use of cellular telephones was reported by two patients and 42 controls.
No association between regular use of cellular phones and the risk for intratemporal facial nerve tumor was observed.

Limitations (acc. to author)

The number of patients included in the study was very small. The observation time was too short to evaluate the risk for potentially long tumor latency periods.

Study funded by

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