Radiation fibrosis is judged, in most clinics, against a memory. The patient says their neck is tighter; the clinician has nothing from before to compare it with, and the note records an impression.
Take two measurements at the pre-treatment visit and repeat them at every follow-up: maximal interincisal opening in millimetres with a ruler, and cervical rotation to each side in degrees or against a fixed landmark. Both take under a minute and neither needs equipment.
The point is not documentation. It is that trismus and neck stiffness respond to physiotherapy started early and respond poorly once established, and a measured trend identifies the patient sliding towards it months before they complain.
- Record interincisal opening in millimetres at baseline and at every review.
- Record cervical rotation both ways; asymmetry appears before the range falls.
- Refer to physiotherapy on a falling trend, not on a complaint.
- Give patients the jaw-stretching routine before treatment starts, while they can still do it.
- Put the numbers where the next clinician will see them, not in free text.
Why it matters
The window for treating radiation fibrosis closes before the patient thinks to mention it.
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