Radiation dose in non-dental cone beam CT applications: a systematic review

Sergio Salerno, Roberto Molteni, Mariaelena Occhipinti, Cosimo Nardi, Cesare Cordopatri, Stefano Colagrande, Giulia Grazzini, Niccolò Norberti, Sergio Salerno, Sergio Salerno

Risultato della ricerca: Articlepeer review

14 Citazioni (Scopus)


Background: Radiation-induced health risks are broadly questioned in the literature. As cone beam computed tomography (CBCT) is increasingly used in non-dental examinations, its effective dose needs to be known. This study aimed to review the published evidence on effective dose of non-dental CBCT for diagnostic use by focusing on dosimetry system used to estimate dose. Materials and methods: A systematic review of the literature was performed on 12 November 2017. All the literature up to this date was included. The PubMed and web of science databases were searched. Studies were screened for inclusion based on defined inclusion and exclusion criteria according to the preferred reporting items for systematic reviews. Results: Fifteen studies met the inclusion criteria and were included in our review. Thirteen and two of them examined one and two anatomical areas, respectively. The anatomical areas were: ear (6), paranasal sinuses (4), ankle (3), wrist (2), knee (1), and cervical spine (1). Effective dose was estimated by different methods: (i) RANDO phantom associated with thermoluminescent dosimeters (6), metal oxide semiconductor field-effect transistor dosimeters (3), and optically stimulated luminescent dosimeters (1). (ii) Scanner outputs, namely computed tomography dose index (1) and dose area product (2). (iii) Monte Carlo simulations (2). Conclusion: CBCT of extremities, cervical spine, ears and paranasal sinuses was found to be a low-dose volumetric imaging technique. Effective doses varied significantly because of different exposure settings of CBCT-units and different dosimetry systems used to estimate dose.
Lingua originaleEnglish
pagine (da-a)765-777
Numero di pagine13
Stato di pubblicazionePublished - 2018

All Science Journal Classification (ASJC) codes

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