Why the cells have been very huge after fractional radiation?

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В. А. Мороз

It is a known effect of radiation apoptosis after X-ray irradiation. This result (morphologically abnormal cells, such as giant and senescent cells) were observed in the 50-s last century, when developed the principles of fractionation radiotherapy.

It may be useful to review on this topic below...

Saeid Afshar

thank you

that's very useful

Or Cohen-Inbar

apoptosis. characteristic feature is cell ballooning...