Patients with Ataxia-Telangiectasia Syndrome: Need for Individualised Management in the Framework of a Radiotherapeutic Regime


ΑΚΤΙΝΟΤΕΧΝΟΛΟΓΙΑ 35, 2024
Published: Sep 21, 2024
Keywords:
Ataxia-Telangiectasia, ATM gene, ATM mutation, hyperadiosensitivity, radiotherapy, breast cancer, mammography
Katerina Vasileiou
Fragkiski Ioanna Sofiou
Athina Kanakidou
Antonios P. Stefanoyiannis
Athanasios Bakas
Abstract

Aim: Ataxia-Telangiectasia (A-T) syndrome is a rare disease of cerebellum, which is mainly characterised by hyperadiosensitivity and increased predisposition for carcinogenesis. Radiobiology has suggested that mutations in the ATM gene lead to inappropriate repair of DNA lesions and non-activation of cell cycle checkpoints after irradiation. The aim of this paper is to highlight the individualised characteristics and corresponding manipulations of the A-T patients in the framework of a radiotherapeutic regime, as well as the problems that may arise in a radiotherapy department in case of ignorance of the disease.


Material and methods: The syndrome, the radiological causes of hypersensitivity and carcinogenesis, imaging methods and patient cases during radiotherapy are described through a literature review.


Conclusions: A-T patients constitute cases requiring special management during the application of a radiotherapeutic protocol, due to hyperadiosensitivity. The efficacy of treatment planning is significantly facilitated by the prompt syndrome diagnosis, which additionally results both in toxicity and mortality reduction. Consequently, the issues of promptly carrying out the corresponding sensitivity tests, along with the adequate training of the health professionals involved in the radiotherapeutic regime, are of utmost importance.

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