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S24

ESTRO 36 2017

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of G≥1 limb edema significantly (p≤0.001) with an

actuarial risk at 5 years of 23.8% versus 47.1% (figure 2).

Conclusion

Moderate to severe limb edema G≥2 is limited in the first

years after definitive radiochemotherapy including MRI-

guided adaptive brachytherapy. Mainly mild limb edema

CTCAE G1 with 5-10% inter-limb discrepancy in volume or

circumference at point of greatest visible difference is

observed. Nevertheless, a proportion of 8-14% of patients

reports “quite a bit” and “very much” swelling of one or

both legs during follow-up. Limb edema shows a

progressive manifestation pattern over time both in the

physician assessed and the patient reported outcome.

Laparoscopic lymph node staging bears a considerable risk

for the development of G≥1 limb edema. Further

investigations are needed to evaluate various specific risk

factors in a multivariate model.

OC-0054 Dynamics of patient reported QoL and

symptoms after IGRT for locally advanced cervical

cancer

S.T. Heijkoop

1

, R.A. Nout

2

, S. Quint

1

, J.W.M. Mens

1

,

B.J.M. Heijmen

1

, M.S. Hoogeman

1

1

Erasmus MC Cancer Institute, Radiation Oncology,

Rotterdam, The Netherlands

2

Leiden University Medical Center, Radiation Oncology,

Leiden, The Netherlands

Purpose or Objective

In this study, locally advanced cervical cancer patients are

treated with an online adaptive Plan-of-the-Day (PotD)

protocol, using a daily CBCT to select the plan that best

fits the observed anatomy of that day from a patient-

specific plan library. The objective is to reduce

unnecessary dose to healthy normal organs and to

maintain a favorable Quality of Life (QoL). Patient

reported health-related QoL and symptoms, during and in

the first year after treatment, were prospectively scored.

Results are reported here.

Material and Methods

Between January 2012 and March 2016, all locally

advanced cervical cancer patients treated with the PotD

protocol and brachytherapy with or without chemotherapy

or hyperthermia were eligible. QoL was assessed at

baseline; weekly during the first five weeks of treatment;

1 week and 1, 3, 6 and 12 months after treatment, using

the EORTC QLQ-C30 and the QLQ-CX24 questionnaires.

Comparisons were made with an age-matched norm

population.

Results

From January 2012 until March 2016 a total of 167 locally

advanced cervical cancer patients were treated with a

PotD protocol, of which 123 (74%) were included as

responders (baseline score and at least 1 additional

questionnaire). Scores of EORTC QLQ-C30 functioning and

global health scales are shown in figure 1. At baseline,

scores of all functional scales except global health status

were lower compared to the age-matched norm

population. Global health and functioning were

temporarily decreased and returned to a plateau at

baseline level 3 months after treatment, except for

cognitive functioning. Compared to the norm population

all functioning scores, except global health showed either

a small decrease or a medium decrease (cognitive

functioning) 1 year after treatment.

Scores of symptoms and sexual functioning are provided in

figure 2. Most symptoms showed a moderate-to-large

increase, reaching a maximum at the end of treatment (5

th

week), or first week after treatment with a return to

baseline at 3 months. However, several symptoms

persisted during further follow-up (diarrhea, bowel

cramps, dysuria, pain, fecal leakage, insomnia, tingling/

numbness). While most symptoms gradually increased

during the first five weeks, diarrhea and bowel cramps

already markedly increased within the first three weeks to

reach a plateau at the 5

th

week of treatment. Sexual/

vaginal symptoms became apparent after treatment and

increased in the first year after treatment. The increased

vaginal symptoms were paralleled by increased sexual

worrying and decreased sexual enjoyment.