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CC BY-NC-ND 4.0 · Indian J Radiol Imaging 2021; 31(03): 661-669
DOI: 10.1055/s-0041-1735921
Pictorial Essay

Imaging Features of Postradiotherapy Changes in Head and Neck Cancers

Anisha Gehani
1   Department of Radiology, Tata Medical Center, Rajarhat, Kolkata, West Bengal, India
,
Saugata Sen 
1   Department of Radiology, Tata Medical Center, Rajarhat, Kolkata, West Bengal, India
,
Sanjoy Chatterjee
2   Department of Radiation Oncology, Tata Medical Center, Rajarhat, Kolkata, West Bengal, India
,
Sumit Mukhopadhyay
1   Department of Radiology, Tata Medical Center, Rajarhat, Kolkata, West Bengal, India
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Abstract

Radiation therapy is the mainstay in the treatment of head and neck cancers, in addition to surgery and chemotherapy. Expected radiotherapy changes evolving over time may be confused with recurrent tumor. Conversely, even residual or recurrent tumor in the setting of postradiotherapy changes may be difficult to identify clinically or even by radiological imaging. Therefore, it is important to be familiar with the temporal evolution of these changes. The purpose of this pictorial essay is thus to illustrate distinctly the expected radiotherapy changes and radiotherapy-related complications in the head and neck region and to differentiate them from tumor recurrence on routine cross-sectional imaging techniques (computed tomography and magnetic resonance imaging).

Keywords

postradiotherapy changes - head and neck malignancy - head and neck squamous cell carcinoma - radiation complications


Publikationsverlauf

Artikel online veröffentlicht:
06. Oktober 2021

© 2021. Indian Radiological Association. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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