Reirradiation of head and neck squamous cell carcinomas: a pragmatic approach, part II: radiation technique and fractionations.

Alterio, Daniela; Zaffaroni, Mattia; Bossi, Paolo; Dionisi, Francesco; Elicin, Olgun; Falzone, Andrea; Ferrari, Annamaria; Jereczek-Fossa, Barbara Alicja; Sanguineti, Giuseppe; Szturz, Petr; Volpe, Stefania; Scricciolo, Melissa (2023). Reirradiation of head and neck squamous cell carcinomas: a pragmatic approach, part II: radiation technique and fractionations. La radiologia medica, 128(8), pp. 1007-1021. Springer 10.1007/s11547-023-01671-0

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INTRODUCTION

Reirradiation (reRT) of local recurrent/second primary tumors of the head and neck represents a potential curative treatment for patients not candidate to a salvage surgery. Aim of the present study is to summarize literature data on modern radiation techniques and fractionations used in this setting of patients.

MATERIALS AND METHODS

A narrative review of the literature was conducted on three topics: (1) target volume delineation (2) reRT dose and techniques and (3) ongoing studies. Patients treated with postoperative reRT and palliative intent were not considered for the current analysis.

RESULTS

Recommendations on the target volume contouring have been reported. 3D-Conformal Radiotherapy, Intensity Modulated Radiotherapy, Stereotactic body Radiotherapy Intraoperative Radiotherapy, Brachytherapy and Charged Particles have been analyzed in terms of indication and fractionation in the field of reRT. Ongoing studies on the topic have been reported for IMRT and Charged Particles. Moreover, according to literature data a stepwise approach has been proposed aiming to provide a useful tool to select patients candidate to a curative reRT in daily clinical practice. Two clinical cases were also provided for its application.

CONCLUSION

Different radiation techniques and fractionations can be used for a second course of radiotherapy in patients with recurrent/second primary tumor of head and neck region. Tumor characteristics as well as radiobiological considerations should be take into account to define the best reRT approach.

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6 Citations in Scopus

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